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grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches series 71 .5-.75" diameter, 1/4 amp features performance and value leader molded-in position terminals choice of shaft/bushing diameters 30 and 36 angles of throw military qualified mil-dtl-3786/39 0.125" diameter shaft?styles a and ma (and sealed versions) rear views?style a, b, ma, mb (and sealed versions) 36 angle of throw terminal detail note: common location for a single pole per deck switch. for common location on multipole switches see circuit diagrams. dimensions: standard and military in inches (and millimeters) 30 and 36 angle of throw may be interposed on either shaft diameter. 30 angle of throw all dimensions not shown are the same as above. 0.250" diameter shaft?styles b and mb (and sealed versions) approx. approx. no. of dimension dimension weight no. of dimension dimension weight decks a b grams decks a b grams 1 .761 (19,33) .031 (0,79) 14 7 2.349 (59,66) .312 (7,92) 26 2 .979 (24,87) .031 (0,79) 16 8 2.567 (65,20) .312 (7,92) 28 3 1.197 (30,40) .031 (0,79) 18 9 2.785 (70,74) .312 (7,92) 30 4 1.415 (35,94) .031 (0,79) 20 10 3.003 (76,28) .312 (7,92) 32 5 1.633 (41,48) .031 (0,79) 22 11 3.221 (81,81) .312 (7,92) 34 6 2.131 (54,13) .312 (7,92) 24 12 3.439 (87,35) .312 (7,92) 36 angle c is 15 in 12 position switches and 36 in 10 position switches. grayhill part number and date code marked on detent cover label. customer part number marked on request. military part number marked when required. 1/4 32unef-2a thread .125 + .001 ?.002 dia. (3,18 + 0,25 ?0,05) .312 .020 (7,92 0,51) .250 .020 (6,35 0,51) .375 .020 (9,53 0,51) .562 .015 (14,27 0,38) dim. a .046 (1,17) dim. b ref. stud projection (see character- istics) .687 .015 (17,45 0,38) dia. .094 .010 (2,39 0,25) .203 .005 (5,16 0,13) of position no. 1 of bushing flats c see chart c l c l grayhill 12 1 3 4 6 7 8 9 10 11 .500 .015 (12,7 0,38) dia. .750 .020 (19,05 0,51) over terminals see detail see note 2 5 .312 .020 (7,92 0,51) .250 + .001 ?.002 dia. (6,36 + 0,25 ?0,05) .250 .020 (6,35 0,51) .375 .020 (9,53 0,51) bushing keyway .066 .002 (1,68 0,05) wide by .036 .003 (0,91 0,08) deep from a .375 (9,53) dia. 3/8-32unef-2a thread .687 .015 (17,45 0,38) dia. c see chart c l of position no. 1 c l of bushing keyway .219 .004 (5,56 0,10) grayhill 10 1 2 3 4 5 6 7 8 9 .500 .015 (12,7 0,38) dia. .750 .020 (19,05 0,51) over terminals see detail see note .034 .003 (0,86 0,08) .068 .005 (1,73 0,13) rotary 2
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches mulit-deck rotary switches dimensions: metric all dimensions are in millimeters 36 angle of throw terminal detail rear views 4mm diameter shaft?style e and es approx. no. of dim. dim. weight decks a b grams 1 19,33 0,79 12 2 24,87 0,79 14 3 30,40 0,79 16 4 35,94 0,79 18 5 41,48 0,79 20 6 54,13 7,92 22 7 59,66 7,92 24 8 65,20 7,92 26 9 70,74 7,92 28 10 76,28 7,92 30 11 81,81 7,92 32 12 87,35 7,92 34 angle c is 15 in 12 position switches and 36 in 10 position switches. ? 17,45 0,4 of position no. 1 of bushing flats c see chart 6,00 + 0,00 ?0,08 c l c l m7,0 x 0,75 thread 14,27 0,4 dim. a 1,2 dim. b ref. stud projection (see character- istics) ? 4,00 0,03 25,00 0,5 8,00 0,3 grayhill 12 1 3 4 6 7 8 9 10 11 ? 12,70 0,4 19,05 0,5 over terminals see detail see note 2 5 30 angle of throw 0,86 0,07 1,73 0,13 grayhill 10 1 2 3 4 5 6 7 8 9 ? 12,70 0,4 19,05 0,5 over terminals see detail see note note: common location for a single pole per deck switch. for common location on multipole switches see circuit diagrams. grayhill part number and date code marked on detent cover label. customer part number marked on request. 30 angle of throw 36 angle of throw switch is viewed from shaft end and shown in position no. 1. note: all common terminals are located above base terminals as shown. circuit diagrams: standard, military and metric one pole two pole three pole four pole five or six pole one pole two pole c1 c2 c3 10 11 12 1 2 3 4 5 6 7 8 9 c l c4 c1 c2 c3 10 11 12 1 2 3 4 5 6 7 8 9 c l c1 c2 c3 c4 c5 c6 10 11 12 1 2 3 4 5 6 7 8 9 c l c l c1 c2 10 11 12 1 2 3 4 5 6 7 8 9 4 32 1 10 9 8 5 6 7 c1 c l of bushing keyway 4 3 2 1 10 9 8 5 6 7 c1 c2 c l c1 10 11 12 1 2 3 4 5 6 7 8 9 c l of bushing keyway rotary 3
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches series 71 .5-.75" diameter, 1/4 amp, pc mount features terminals from one side minimum board footprint choice of shaft/bushing diameters 30 and 36 angles of throw military qualified mil-dtl-3786/39 see pages f-39 through f-44 for specifications, accessories and ordering information. 36 angle of throw note: common location for a single pole per deck switch. for common location on two pole switches see circuit diagrams. dimension a dimension a dimension b approx. dimension a dimension b approx. no. of standard military all weight no. of standard standard weight decks style style styles grams decks style style grams 1 .761 (19,33) .761 (19,33) .031 (0,79) 12 7 2.349 (59,66) .312 (7,92) 24 2 .979 (24,87) .979 (24,87) .031 (0,79) 14 8 2.567 (65,20) .312 (7,92) 26 3 1.197 (30,40) 1.415 (35,94) .031 (0,79) 16* 9 2.785 (70,74) .312 (7,92) 28 4 1.415 (35,94) 1.633 (41,49) .031 (0,79) 18* 10 3.003 (76,28) .312 (7,92) 30 5 1.633 (41,48) n.a. .031 (0,79) 20 11 3.221 (81,81) .312 (7,92) 32 6 2.131 (54,13) n.a. .312 (7,92) 22 12 3.439 (87,35) .312 (7,92) 34 all dimensions not shown are the same as above. dimensions: standard and military in inches (and millimeters) 0.125" diameter shaft: styles af and maf (and sealed versions) rear views: styles af, bf, maf, mbf (and sealed versions) military qualified style maf includes a spacer deck between decks 2 and 3. see dimension chart. 30 and 36 angle of throw may be interposed on either shaft diameter. 30 angle of throw 0.250" diameter shaft: styles bf and mbf (and sealed versions) military qualified style mbf includes a spacer deck between decks 2 and 3. see dimension chart. grayhill part number and date code marked on detent cover label. customer part number marked on request. military part number marked when required. .687 .015 (17,45 0,38) dia. .020 .003 (0,51 0,08) typ. .203 .005 (5,16 0,13) terminal no. 1 .094 .010 (2,39 0,25) c see chart c l shaft shown in position one of bushing flats c l .875 (30) .725 (36) .015 (22,23, 18,42 0,38) .125 ? .002 + .001 (3,18 ? 0,05 + 0,03) dia. 1/4-32 unef-2a thread .250 .020 (6,35 0,51) .375 .020 (9,53 0,51) .312 .020 (7,92 0,51) dim. a .046 (1,17) dim. b ref. stud projection (see character- istics) .562 .015 (14,27 0,38) see note below c l c l c l .110 .010 (2,79 0,25) typ. .412 .010 (10,46 0,25) typ. .015 .002 (0,38 0,05) 1 2 3 4 5 6 7 8 9 10 grayhill .500 .015 (12,7 0,38) dia. .156 .010 (3,96 0,25) typ. see note .368 (9,35) ref. .125 .010 (3,18 0,25) typ. .037 .005 (0,94 0,13) typ. .075 .005 (1,91 0,13) typ. c l c l 1 2 3 4 5 6 7 8 9 10 11 12 .500 .015 (12,7 0,38) dia. .368 (9,35) ref. .125 .010 (3,18 0,25) typ. .156 .010 (3,96 0,25) typ. .037 .005 (0,94 0,13) typ. .075 .005 (1,91 0,13) typ. c l c l see note grayhill c see chart .219 .004 (5,56 0,10) .687 .015 (17,45 0,38) dia. .875 (30) .725 (36) .015 (22,23, 18,42 0,38) shaft shown in position one of bushing keyway c l 3/8 32unef-2a thread .250 ? .002 + .001 (6,35 ? 0,05 + 0,03) dia. .250 .020 (6,35 0,51) .375 .020 (9,53 0,51) .312 .020 (7,92 0,51) bushing keyway .066 .002 (1,68 0,05) wide by .036 .003 (0,91 0,08) deep from a .375 (9,53) dia. angle c is 15 in 12 position switches and 18 in 10 position switches. *military style switch is 18 grams for 3 decks and 20 grams for 4 decks. rotary 4
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches ? 17,45 0,4 22,23 0,4 0,51 0,08 typ. 6,00 + 0,00 ?0,08 terminal no. 1 of bushing flats c l ? 4,00 0,03 dim. b ref. stud projection (see character- istics) dim. a 1,17 25,00 0,51 8,00 0,3 14,27 0,38 m7 x 0,75 thread see note below c l c l c l 2,79 0,25 typ. 10,46 0,25 .0,38 0,03 typ. dimensions: metric all dimensions are in millimeters 4mm diameter shaft: style ef and esf rear views 30 angle of throw 30 and 36 angle of throw may be interposed on either shaft diameter. 36 angle of throw approx. approx. no. of dim. dim. weight no. of dim. dim. weight decks a b grams decks a b grams 1 19,33 0,79 12 7 59,66 7,92 24 2 24,87 0,79 14 8 65,20 7,92 26 3 30,40 0,79 16 9 70,74 7,92 28 4 35,94 0,79 18 10 76,28 7,92 30 5 41,48 0,79 20 11 81,81 7,92 32 6 54,13 7,92 22 12 87,35 7,92 34 grayhill part number and date code marked on detent cover label. customer part number marked on request. note: common location for a single pole per deck switch. for common location on two pole switches see circuit diagrams. 1 2 3 4 5 6 7 8 9 10 11 12 ? 12,7 0,38 9,35 ref. 3,18 0,25 typ. 3,96 0,25 typ. 0,94 0,13 typ. 1,91 0,13 typ. c l c l see note grayhill c l c l 7,62 0,25 grayhill ? 12,7 0,38 3,96 0,25 typ. see note 9,35 ref. 3,18 0,25 typ. 0,94 0,13 typ. 1,91 0,13 typ. c l c l c l c l 7,62 0,25 18,42 0,04 1 2 3 4 5 6 7 8 9 10 circuit diagrams: standard, military and metric pc mount one pole two pole one pole two pole 30 angle of throw 36 angle of throw circuit is viewed from shaft end and shown in position no. 1 10987 6 543 21 11 12 c1 c2 c l 10 9 8 7 6 5 43 1 11 12 of bushing keyway or flats c l c1 2 1098765 432 1 c1 of bushing keyway or flats c l 1098765 432 1 c1 c2 c l rotary 5
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches series 71: pc board pattern in inches (and millimeters) spacer decks can be supplied to facilitate pc board layouts of three or more decks. a spacer deck does not have any terminals and provides no switching function. dimensionally, it requires the same space as one normal switch deck. spacer deck can be placed at any location in the switch, per your instructions. switches which include spacer decks are procured under a special part number. number of poles common terminal per deck hole location 1a 2 a and b shown for a two deck switch. bushing mount is recommended. 30 angle of throw 36 angle of throw series 71: pc mount accessory for printed circuit styles. mounting bushing provides additional support for the front end of the switch. order separately by appropriate part number. rotary switch discount applies. 1 / 8 " and 1 / 4 " diameter shaft styles in inches (and millimeters) metric mount styles in millimeters all styles except 71bt .110 (2,79 )typ. .110 typ. (2,79 ) shaft end of switch .075 (1,91) typ. .037 (0,94) a .300 (7,62) typ. b common terminal hole location (see chart) .110 (2,79 )typ. .110 typ. (2,79 ) shaft end of switch .075 (1,91) typ. .037 (0,94) a .300 (7,62) typ. b common terminal hole location (see chart) of common for deck one c l 0.030 .001 (0,76 0,03) .207 .005 (5,26 0,13) .500 .002 (12,7 0,05) c l .255 .002 (6,48 0,05) dia. 0.368 .003 (9,35 0,08) .130 .003 (3,30 0,08) washer is .032 (0,81) thick dimensions apply to both washers. for use with style af part 71c2054 for use with style bf part 71c2053 .375 .002 (9,53 0,05) .687 (17,45) dia. c l ? 17.45 0.08 9.35 0.08 thickness 0.81 0.05 12.7 0.05 0.76 0.03 for use with style ef part 71c2111 rotary 6
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches no. of dimension dimension decks a b 1 0.795 (20,19) 0.031 (0,79) 2 1.040 (26,42) 0.053 (1,35) 3 1.285 (32,64) 0.076 (1,93) 4 1.530 (38,86) 0.098 (2,49) 5 1.775 (45,09) 0.120 (3,05) dimensions: standard and military in inches (and millimeters) shaft flat is opposite point of contact for pole number one. shaft is shown here in position 1. rear view style bt grayhill part number and date code marked on detent cover label. customer part number marked on request. circuit diagrams circuit is viewed from shaft end and shown in position no. 1 two pole one pole style 71bt: pc board pattern including integral front plate standoffs 36 angle of throw .037 .005 (0,94 0,13) .075 .005 (1,91 0,13) typ. .368 .005 (9,35 0,13) .125 .010 (3,18 0,25) .156 .010 (3,96 0,25) c l c l 110 1098765 432 1 c1 of bushing keyway or flats c l 1098765 432 1 c1 c2 c l .110 (2,79) 5 pls. of common terminal of stand- offs pole no. 1 .220 (5,59) .440 (11,18) .300 (7,62) .0375 (0,95) .075 (1,91) 9 pls. c l of switch .029 (0,74) ? min. hole 33 pls. .250 (6,35) .428 (10,87) .500 (12,7) .036 (0,91) ? min. hole 2 pls. c l c l shaft end of switch series 71 .5-.75" diameter, 1/4 amp, process sealed .725 .015 (18,42 0,38) ? .687 .015 (17,45 0,38) .310 .010 (7,87 0,25) .219 .004 (5,56 0,10) common terminal terminal no. 1 .030 .002 (0,76 0,05) typ. .020 .003 (0,51 0,08) typ. .250 + .001 ?.002 dia. (6,36 + 0,25 ?0,05) .275 .020 (6,99 0,51) .250 .020 (6,35 0,51) .375 .020 (9,53 0,51) dim. a .046(1,17) dim. b ref. .562 .015 (14,27 0,38) .100 .010 (2,5 0,25) 2 pls. c l c l c l .015 .002 (0,38 0,05) typ. .110 .010 (2,79 0,25) typ. .015 .002 (0,38 0,05) .449 .008 (11,4 0,20) 3/8-32 unef-2a thread .428 .008 (10,87 0,20) 18 features no hand soldering required sealed to resist intrusion by flux, solder and cleaning solutions .75" diameter 250 ma for 20,000 cycles 36, 1 or 2 poles, up to 5 decks 10 positions, continuous rotation, or 2-9 positions with fixed stops rotary 7
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches series 71 0.5 to 0.75" diameter, 1/4 amp, concentric shaft features two switches in the panel space of a single shaft rotary circuit diagrams: solder lug terminals dimensions in inches (and millimeters) solder lug terminals: style c rear views 30 and 36 angle of throw may be interposed on either shaft diameter. terminal detail 30 angle of throw switch is viewed from shaft end and shown in position no. 1. note: all common terminals are located above base terminals as shown. 30 angle of throw one pole two pole three pole four pole five or six pole 36 angle of throw one pole two pole approx. weight sec. a sec. b dimension a dimension b grams 1 1 1.415 (35,94) .032 (0,81) 24 2 1 1.633 (41,49) .032 (0,81) 26 3 1 2.131 (54,13) .312 (7,92) 28 1 2 1.633 (41,49) .032 (0,81) 26 2 2 2.131 (54,13) .312 (7,92) 28 3 2 2.349 (59,66) .312 (7,92) 30 1 3 2.131 (54,13) .312 (7,92) 28 2 3 2.349 (59,66) .312 (7,92) 30 3 3 2.567 (65,20) .312 (7,92) 32 angle c is 15 in 12 position switches and 36 in 10 position switches. no. of decks note: common location for a single pole per deck switch. for common location on multipole switches see circuit diagrams. 36 angle of throw grayhill part number and date code marked on detent cover label. customer part number marked on request. c see chart of position no. 1 of bushing keyway c l c l .687 .015 (17,45 0,38) dia. c l .094 .010 (2,39 0,25) .219 .004 (5,56 0,10) .562 .015 (14,27 0,38) dim. a .046 (1,17) dim. b ref. stud projection 3/8-32unef-2a thread .125 + .001 ?.002 dia. (3,18 + 0,25 ?0,05) .312 .020 (7,92 0,51) section a section b controlled by .250 (6,35) dia. shaft controlled by .125 (3,18) dia. shaft .250 + .001 ?.002 (6,35 + 0,03 ?0,05) dia. .250 .020 (6,35 0,05) .375 .020 (9,53 0,05) bushing keyway .066 .002 (1,68 0,05) wide by .036 .003 (0,91 0,08) deep from a .375 (9,53) dia. grayhill 12 1 3 4 6 7 8 9 10 11 .500 .015 (12,7 0,38) dia. .750 .020 (19,05 0,51) over terminals see note 2 5 see detail grayhill 10 1 2 3 4 5 6 7 8 9 .500 .015 (12,7 0,38) dia. .750 .020 (19,05 0,51) over terminals see note see detail .034 .003 (0,86 0,08) .068 .005 (1,73 0,13) c1 10 11 12 1 2 3 4 5 6 7 8 9 c l of bushing keyway c l c1 c2 10 11 12 1 2 3 4 5 6 7 8 9 c1 c2 c3 10 11 12 1 2 3 4 5 6 7 8 9 c l c4 c1 c2 c3 10 11 12 1 2 3 4 5 6 7 8 9 c l c1 c2 c3 c4 c5 c6 10 11 12 1 2 3 4 5 6 7 8 9 c l 4 3 2 1 10 9 8 5 6 7 c1 c2 c l 4 32 1 10 9 8 5 6 7 c1 c l of bushing keyway add-a-pot switches contact grayhill for series 71 concentric add-a-pot or add-a-switch type switches. rotary 8
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches switch is viewed from shaft end and shown in position no. 1. note: all common terminals are located above base terminals as shown. dimensions in inches (and millimeters) pc mount: style cf 30 and 36 angle of throw may be interposed on either shaft diameter. approx. weight sec. a sec. b dimension a dimension b grams 1 1 1.415 (35,94) .032 (0,81) 24 2 1 1.633 (41,49) .032 (0,81) 26 3 1 2.131 (54,13) .312 (7,92) 28 1 2 1.633 (41,49) .032 (0,81) 26 2 2 2.131 (54,13) .312 (7,92) 28 3 2 2.349 (59,66) .312 (7,92) 30 1 3 2.131 (54,13) .312 (7,92) 28 2 3 2.349 (59,66) .312 (7,92) 30 3 3 2.567 (65,20) .312 (7,92) 32 no. of decks for additional dimensions and references for shafts, flat orientation and bushing keyway, see drawings for styles 71af and 71bf. circuit diagrams: pc mount terminals one pole two pole one pole two pole 36 angle of throw 30 angle of throw 30 angle of throw rear views note: common location for a single pole per deck switch. for common location on multipole switches see circuit diagrams. grayhill part number and date code marked on detent cover label. customer part number marked on request. .020 .003 (0,51 0,08) typ. position no. 1 .687 .015 (17,45 0,38) dia. .875 (30) .725 (36) .015 (22,23, 18,42 0,38) .562 .015 (14,27 0,38) dim. a dim. b ref. stud projection section a section b .125 + .001 ?.002 dia. (3,18 + 0,25 ?0,05) .312 .020 (7,92 0,51) .250 + .001 ?.002 (6,35 + 0,03 ?0,05) dia. .250 .020 (6,35 0,05) .375 .020 (9,53 0,05) see note below c l c l c l .110 .010 (2,79 0,25) typ. .412 .010 (10,46 0,25) typ. .015 .002 (0,38 0,05) c l .656 (16,66) 3/8-32 unef-2a thread common deck 1 section a common deck 1 section b see solder lug version for shaft flats and dimensions 1 2 3 4 5 6 7 8 9 10 11 12 .500 .015 (12,7 0,38) dia. .368 (9,35) ref. .125 .010 (3,18 0,25) typ. .156 .010 (3,96 0,25) typ. .037 .005 (0,94 0,13) typ. .075 .005 (1,91 0,13) typ. c l c l see note grayhill 1 2 3 4 5 6 7 8 9 10 grayhill .500 .015 (12,7 0,38) dia. .156 .010 (3,96 0,25) typ. see note .368 (9,35) ref. .125 .010 (3,18 0,25) typ. .037 .005 (0,94 0,13) typ. .075 .005 (1,91 0,13) typ. c l c l 10 9 8 7 6 5 43 1 11 12 of bushing keyway or flats c l c1 2 1098765 432 1 c1 of bushing keyway or flats c l 1098765 432 1 c1 c2 c l 10987 6 543 21 11 12 c1 c2 c l 36 angle of throw rotary 9
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches specifications military qualification mil-dtl-3786/39 the military style of the series 71 rotary switch is qualified to mil-dtl-3786/39. complete electrical rating information is listed on the following page. the series 71 rotary switch qualification includes the 30 and the 36 angles of throw, in .125" (3,18) and .250" (6,35) diameter shafts, with solder lug terminals and printed circuit terminals, in sealed and unsealed style switches. standard variations such as shaft and/or bushing length, etc. that do not affect the switch performance can also be marked as qualified product. contact grayhill for complete details. dimensionally the military style is the same as the standard style with the exception of the pc version of 3 or 4 decks; a spacer deck between decks 2 and 3 adds another deck length to the specifications: materials and finishes switch without increasing the number of operative decks. another difference in the standard and military styles is the mounting hardware. ordered as options with a standard style switch these items are included with the military style switch: non- turn washer with solder lug style and a non-turn washer plus a mounting bushing washer with the pc terminal style. complete specification drawings are available from grayhill, inc. for the standard military qualified products. military qualified series 71 rotary switches may be ordered by the ?m? number listed in military specification sheet/39 or by grayhill part number. all qualified switches will be marked to the specification. military shaft and panel seal a shaft and panel seal is available to provide watertight mounting of the series 71 standard military style rotary switches. sealing is accomplished by an o-ring shaft seal and a panel seal washer. panel seal dimension differences are shown in the dimensional drawings. when the panel seal is compressed, dimensions are approximately the same as an unsealed switch. if the non-turn washer supplied with the switch is used, it should not be allowed to extend entirely through the panel when mounting a sealed switch. however, the bushing may be used as a non- turn device instead. switches are provided with a double flat bushing in styles which include the letter a and with a bushing which has a keyway in the styles which include the letter b. materials and finishes standard style cover: diallyl per (mil-m-14) astm-d- 5948 except for 71 bt (see bushing). base and deck separator: diallyl per (mil-m-14) astm-d-5948 rotor mounting plate: thermoplastic bushing: zinc casting, tin/zinc-plated. through bolts and nuts, shaft and rear support plate, stop pins and stop arm (all others): stainless steel shaft, stop plates, stop arm (71bt): reinforced thermoplastic detent rotor: reinforced thermoplastic for 71bt; phenolic per (mil-m-14) astm-d- 5948 for all others detent balls: steel, nickel-plated detent springs: tinned music wire rotor contact: silver alloy and beryllium copper base contacts, common plate and terminals: brass, gold plate .000005" minimum over silver plate .00005" over nickel .00002". front support plate (71 bt only): tempered steel, tin/lead-plated. interdeck seal (71 bt only): silicone extension: brass, unplated mounting hardware: one mounting nut and one internal tooth lockwasher are supplied with each switch. for switches with a in the style description, the nut is .062" (1,57) thick by .312" (7,92) across flats. for switches with b or c in the style description, the nut is .094" (2,39) thick by .562" (14,27) across flats. nuts are brass, tin/zinc-plated or stainless steel. materials and finishes military qualified cover, base and deck separator: diallyl per (mil-m-14) astm-d-5948 rotor mounting plate: thermoplastic bushing: zinc casting, tin/zinc-plated through bolts and nuts, shaft extension, lockwashers, shaft and rear support plate, stop pins and stop arm (all others): stainless steel detent balls: steel, nickel-plated detent springs: tinned music wire rotor contact: silver alloy and beryllium copper base contacts, common plate and terminals: brass, gold plate .000005" minimum over silver plate .00005" over nickel .00002". detent rotor: phenolic per (mil-m-14) astm-d-5948 mounting hardware: one mounting nut and one internal tooth lockwasher are supplied with each series 71 switch. for switches with style a in the description, the nut is .062" (1,57) thick by .312" (7,92) across flats. for switches with style b or c in the description, the nut is .094" (2,39) thick by .562" (14,27) across flats. nuts are brass, tin/zinc-plated or stainless steel. additional hardware: each switch is supplied with a non-turn washer to use if desired. additionally, each pc mount switch is supplied with a mounting bushing washer (see pc mount accessory). for switches with style a in the description, non-turn washer is stainless steel; for switches with style b in the description, non-turn washer is stainless steel. mounting bushing washer (pc mount accessory) is brass, tin/zinc- plated. rotary 10
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches specifications: electrical ratings, others standard military electrical ratings general charts: charts shown are for non-shorting (break before make) contacts. measurements were made at 25c and 68% relative humidity. the load life curves show the number of rotational cycles which can be expected for the voltage, current and type of load. thus, for a standard style switch with a 300 milliampere 115 vac resistive load, the expected life is 15,000 cycles. reducing the load to 200 milliamperes increases the life to 25,000 cycles. life limiting or failure criteria are listed in the rating sections which follow. cycles: a cycle is a 360 rotation and a return through all switch positions to the starting position. voltage: as listed in charts. cycles x 1000 current milliamps voltage 115 vac or 30 vdc resistive 10 25 50 400 300 200 100 500 600 cycles x 1000 current milliamps 250 200 150 100 50 10 25 50 voltage 30 vdc inductive (250 millihenries) cycles x 1000 current milliamps voltage 115 vac or 30 vdc resistive 10 25 50 400 300 200 100 500 600 800 700 cycles x 1000 current milliamps voltage 30 vdc inductive (250 millihenries) 10 25 50 200 150 100 50 250 electrical ratings standard style curves are based on the following failure criteria: contact resistance: 50 milliohms maximum (20 milliohms initially). insulation resistance: 1,000 megohms minimum between terminals and shaft. (50,000 megohms initially). voltage breakdown: 500 vac minimum between mutually insulated parts. current rating: these switches will carry 4 amperes with a maximum contact temperature rise of 20c. if the life limiting characteristics are less critical than those shown above, if elevated temperatures or reduced pressures are involved, grayhill can predict the switch life for the application. meet the following requirements of mil- dtl-3786: moisture resistance: medium and high shock; vibration (10 to 2,000 cps); thermal shock (-65c to 85c); salt spray, explosion; and stop strength (10 in-lb). electrical ratings military style curves are based on the following failure criteria: qualified to the following mil-dtl-3786/39 circuit values: (also see standard style description.) the series 71 has been tested to meet the requirements of mil-dtl-3786, style sr39, the majority of which are listed here. at 85c approximately 68% relative humidity and sea level pressure, the switches have been tested to make and break the following loads, as stated in mil-dtl-3786/39: 125 milliamperes at 28 vdc resistive; 75 milliamperes at 115 vac resistive. the switches have also been tested at reduced barometric pressure (70,000 feet), 25c at approximately 68% relative humidity to make and break the following loads as stated in mil- dtl-3786/39: 50 milliamperes, 28 vdc resistive; 20 milliamperes, 115 vac resistive. when tested to the above loads at stated conditions, the series 71 switches meet the following life- limiting criteria after 25,000 cycles of operation in accordance with mil-dtl-3786/39. contact resistance: 50 milliohms maximum after life. insulation resistance: 1,000 megohms minimum between terminals and shaft. dielectric strength: 500 vac (atmospheric pressure) and 350 vac (reduced pressure) between mutually insulated parts. the series 71 also meets the requirements of mil-dtl-3786/39 for moisture resistance, stop strength, rotational torque, vibration (10 through 2,000 cps), medium and high shock, salt spray, explosion, thermal shock (-65c to 85c) and terminal pull. when tested at sea level, 25c and 68% relative humidity with failure criteria of 50 milliohms maximum contact resistance and 500 vac breakdown voltage, these switches will make and break 250 milliamps at 28 vdc inductive (250 millihenries) 500 milliamps at 28 vdc resistive: 500 milliamps at 115 volts vac, 60 hertz resistive, for 10,000 cycles of operation. additional characteristics standard and military styles rotational torque: 4-32 ounce-inches, (28- 230 nmm) depending on the number of poles per deck and the number of decks. contacts: shorting or non-shorting wiping contacts with over 100 grams of contact force. shaft flat orientation: opposite first position pole no. 1 (see circuit diagrams). terminals: switches are provided with full circle of terminals regardless of the number of active positions. extended studs: switches of 6 or more decks (or concentric switches of 4 or more) have longer studs and extra stud nuts for recommended double end mounting. stud hole size is 1 / 16 " diameter for #0-80 nf-2a thread. stop strength: 10 pound-inches. mounting bushing strength: 10 pound- inches. rotary 11
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches adjustable stops set and reset stops to limit rotation form, fit, function equivalent to fixed stop styles the adjustable stop series 71 rotary switches allow you to change the number of positions per pole. simply remove and relocate stop pins in the holes in the front of the switch. the pins are held in place by a self adhesive sticker which fits over the front plate. this feature is available in the series 71 single shaft standard switches with either 1 / 8 " or 1 / 4 " diameter shafts with either pc or solder lug terminals. it is not available in military qualified or concentric shaft styles. all dimensions, ratings and characteristics are the same as the fixed stop equivalent. the chart shown here describes the adjustable stop style substitutions for the fixed stop styles. although series 71 is not an exact dimensional equivalent of the fixed stop styles of series 8 and 9, it most nearly represents a functional substitution. fixed stop adjustable stop style substitution 08a 71ad 09a 71ad 71a 71ad 71af 71adf 71b 71bd 71bf 71bdf 71e 71ed 71ef 71edf shaft and panel seal the shaft is sealed by an o-ring inside the bushing. the panel is sealed by an o-ring at the base of the bushing. the seals do not alter the dimensions as shown in the drawings when the switch is mounted. the panel seal is silicone rubber. the shaft seal is an o-ring per mil-p-5516b. stop pin holes stop pins sticker panel seal shaft ?o? ring rotary 12
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches c l 1,57 0,08 5,08 0,05 11,13 0,13 dia. 90? 1? 0,64 0,05 2,36 0,13 .015 (0,38) radius max. multi-deck rotary switches 1 / 8 " and 1 / 4 " diameter shaft switches the bushing of the series 71 switch is designed so the switch will not turn if the panel has been cut to fit the exact bushing shape. the bushing for the 1 / 8 " diameter shaft switch has a double flat; the 1 / 4 " diameter shaft switch has a keyway in the bushing. an alternate means of keeping the switches from turning is to mount them with optional, non-turn washers. part number 50j1066 is made of stainless steel. it is supplied with military switches with style a in the description. when ordered for standard product, a like number of switches must be ordered. part number 12c1087-1 is brass, tin/zinc-plated and may be ordered for standard product. part number shh694-5 is stainless steel washer supplied with all military style switches with style b in the description. part no. 12c1087-1 standard accessories: non-turn washers in inches (and millimeters) part no. 50j1066 military and standard for 1 / 8 " diameter shaft part no. shh694-5 military for 1 / 4 " diameter shaft 4mm diameter shaft switches non-turn washer for styles e, ed, ef and edf. mounting bushing washer provides non-turn feature. 302 stainless steel. part no. 71 j1103. contact grayhill for price. .250 .00 3 (6, 3 5 0,0 8 ) .060 .001 (1,52 0,25) .400 .005 dia. (10,16 0,1 3 ) 90 1 .125 .005 ( 3 ,16 0,1 3 ) .015 (0, 38 ) radiu s max. .025 .001 (0,64 0,0 3 ) c l .125 .010 (3,16 0,25) .005 .003 (0,38 0,08) radius .032 .002 (0,81 0,05) 90? 1? .625 .010 dia. (15,89 0,25) .120 .003 (3,05 0,08) .437 + .010 ?.000 (11,10 + 0,25 ?0,00) c l .375 .005 (9,53 0,13) .125 .002 (3,18 0,05) .625 .010 dia. (15,89 0,25) 90 1 .125 .005 (3,16 0,13) .015 (0,38) radius max. .032 .005 (0,81 0,13) rotary 13
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches 01 thru 12 1 02 thru 12 3 n or s 01 thru 08 2 02 thru 06 n or s 01 thru 05 3 02 thru 04 n or s 01 thru 04 4 02 or 03 n or s 01 thru 03 5 5 02 n or s 01 or 02 6 5 02 n or s 01 thru 12 1 02 thru 10 3 n or s 01 thru 08 2 02 thru 05 n or s 01 thru 12 1 02 thru 12 3 n or s 01 thru 08 2 02 thru 06 n or s 01 thru 12 1 02 thru 10 3 n or s 01 thru 08 2 02 thru 05 n or s 01 thru 05 1 02 thru 10 3 n or s 01 thru 05 2 02 thru 05 n or s 01 thru 05 4 1 02 thru 12 3 n or s 01 thru 05 4 2 02 thru 06 n or s 01 thru 05 4 3 02 thru 04 n or s 01 thru 04 4 4 02 or 03 n or s 01 thru 02 4 6 02 n or s 01 thru 05 4 1 02 thru 10 3 n or s 01 thru 05 4 2 02 thru 05 n or s 01 thru 04 2,4 1 02 thru 12 3 n or s 01 thru 04 2,4 2 02 thru 06 n or s 01 thru 04 2,4 1 02 thru 10 3 n or s 01 thru 04 2,4 2 02 thru 05 n or s 01 thru 03 1 02 thru 12 3 n or s 01 thru 03 2 02 thru 06 n or s 01 or 02 3 02 thru 04 n or s 01 4 02 or 03 n or s 01 5 02 n or s 01 6 02 n or s 01 thru 03 1 02 thru 10 3 n or s 01 thru 03 2 02 thru 05 n or s 01 thru 03 1 02 thru 12 3 n or s 01 thru 03 2 02 thru 06 n or s 01 thru 03 1 02 thru 10 3 n or s 01 thru 03 2 02 thru 05 n or s 30 36 30 36 36 30 36 30 36 30 36 30 36 aasad bbsbd eesed af asf adf bf bsf bdf ef esf edf bt ?? ?? ma mas ?? mb mbs ?? maf masf ?? mbf mbsf ?? c???? cf ?? ?? a= 1 / 8 " diameter shaft b= 1 / 4 " diameter shaft e = metric mount shaft & bushing d = adjustable stops (adj. stop) s = shaft and panel seal (s/p seal) style choices angle of no. of po les positions shor ting or basic style with s/p seal adj. stop throw decks per deck per pole 1 non-shorting choices and limitations: series 71 f = pc mount terminals t = pc mount terminals and process sealed switching decks & bushing; no panel seal m = military all switches without f or t have solder lugs c = concentric shaft 2 switches with same style and angle of throw, one behind the other. limits below apply to either switch section (a or b). 1 for adjustable stop styles (with the letter d), use aj instead of number of positions when ordering. 2 military qualified pc mount switches of 3 or 4 operative decks have an additional spacer deck after deck 2. use total decks to calculate length; but use only the number of operative decks when creating the part number. 3 for 1-pole switches with maximum positions, specify f ixed stop after last position or c ontinuous rotation when ordering. (note: 1 p, 71bt, 10 positions, is available only as c ontinuous). 4 in addition to qualified types (solder lug?5 decks; pc mount?4 decks), grayhill can pro- vide switches with additional decks in the materials of the ?m? style. contact grayhill. 5 switches in 30 throw with 5 or 6 poles per deck are not available with adjustable stops. rotary 14
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches multi-deck rotary switches ordering information: single shaft switches series style*: letter(s) from the choices and limitations chart angle of throw: 30 or 36 number of decks: as limited by choices and limitations chart 71a30?02?1?12n?c stop arrangement: use suffix only when ordering 1 pole with maximum positions. c = continuous rotation; f = stop between last and first positions type of contacts: n = non-shorting; s = shorting positions per pole: 02 to 12 per choices chart. for adjustable stop switches (d) use aj here. poles per deck: as limited by the choices chart * all rotary switches that are required to have military designated markings and testing adhering to mil-dtl-3786 are to be ordered by specifying the military part number identified on the appropriate slash sheet. ordering information: concentric shaft switches entire switch series and style: 71c or 71cf angle of throw: 30 or 36. both switch sections will be the same. switch section a (front switch) number of decks: 1 to 3, per choices and limitations chart poles per deck: as limited by the choices and limitations chart positions per pole: 02 to 12 per choices and limitations chart type of contacts: n = non-shorting; s = shorting stop arrangement: use suffix only when ordering 1 pole with maximum positions. c = continuous rotation; f = stop between last and first positions 71c362110nc? 3202s switch section b (rear switch) stop arrangement: use suffix only when ordering 1 pole with maximum positions. c = continuous rotation; f = stop between last and first positions type of contacts: n = non-shorting; s = shorting positions per pole: 02 to 12 per choices and limitations chart. poles per deck: as limited by the choices and limitations chart number of decks: 1 to 3, per choices and limitations chart available from your local grayhill distributor. for prices and discounts, contact a local sales office, an authorized local distributor or grayhill. rotary 15

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