grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com rotary switches single deck rotary switches screwdriver actuated all dimensions not shown and front views same as style ap. style ap style af rear view shown on next page. shaft actuated rear view shown on next page. style bp style bf rear view shown on next page. all dimensions not shown and front views same as style bp. style cp style cf all dimensions not shown and front views same as style cp. rear view shown on next page. integral knob actuated grayhill part number and date code marked on label. customer part number marked on request. dimensions in inches (and millimeters) .29 8 .010 (7,57 0,25) dia. s crewdriver s lot .0 3 2 .010 (0, 8 1 0,25) deep .125 .005 ( 3 ,1 8 0,1 3 ) .020 .005 (0,51 0,1 3 ) 0 1 2 3 4 5 6 7 8 9 .4 8 9 .020 (12,42 0,51) .109 .010 (2,77 0,25) .0 3 2 (0, 8 1) ref. s houlder diameter ? .0 3 1 .002 (0,79 0,05) terminal diameter ? .015 .002 (0, 38 0,05) 2 1 10 9 2 1 10 9 .5 3 9 .020 (1 3 ,69 0,51) .109 .010 (2,77 0,25) 2 1 10 9 .550 .020 (13,97 0,51) .109 .010 (2,77 0,25) .298 .010 (7,57 0,25) dia. .203 .003 (5,16 0,08) across flats of bushing .094 .015 (2,39 0,38) 108 c l of position 1 2 1 10 9 .500 .020 (12,7 0,51) .250 .015 (6,35 0,38) .109 .010 (2,77 0,25) .032 (0,81) ref. 1/4-32 unf-2a thread .375 .015 (9,53 0,38) .250 .015 (6,35 0,38) ? .125 + .001/ - .002 (3,18 + 0,03/ - 0,51) shoulder diameter ? .031 .002 (0,76 0,05) terminal diameter ? .015 .002 (0,38 0,05) .489 .020 (12,42 0,51) .109 .010 (2,77 0,25) .032 (0,81) ref. 2 1 10 9 .115 .010 (2,92 0,25) .539 .020 (13,69 0,51) 2 1 10 9 .109 .010 (2,77 0,25) .298 .010 (7,57 0,25) dia. c l of position 1 shoulder diameter ? .031 .002 (0,76 0,05) terminal diameter ? .015 .002 (0,38 0,05) series 75 0.3" diameter, 200 ma features small size flush, shafted, or knobbed shaft 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 single deck rotary switches circuit diagrams and rear views style f circle of terminal centers is ? .300 .010 (7,62 0,25). circle of terminal centers is ? .187 .010 (4,75 0,25). style p one pole two pole one pole two pole one pole two pole 36 angle of throw switch is viewed from actuator end and shown in position 1. .29 8 .010 (7,57 0,25) common location for a two pole s witch located on .064 .010 (1,6 3 0,25) dia. circle of center s 3 6 3 typ. common location for a s ingle pole s witch 3 6 3 typ. screwdriver actuated integral knob actuated shaft actuated dot on actuator is next to contacting position of pole 1. line on knob points to contacting position of pole 1. shaft flat opposite point of contact of pole 1. 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 specifications electrical ratings chart shown for non-shorting (break before make) contacts, resistive load. one cycle is 360 rotation and a return through all switch positions to the starting position. the data for the curve was measured at sea level, 25c and 68% relative humidity with the following limiting criteria: contact resistance: 50 milliohms maximum (15 milliohms initially). insulation resistance: 10,000 mohms minimum between mutually insulated parts. 300 200 100 0 0 5 10 15 cycles x 1,000 current (milliamps) curve b: 115 vac or 30 vdc curve a: 220 vac a b voltage breakdown : 500 vac between mutu ally insulated parts. life expectancy: 10,000 cycles at 200 milliamps. one cycle is 360 rotation and a return through all switch positions to the starting position. low level rating: make and break a 50 mv, 1 milliamp, resistive load for 10,000 cycles with a maximum contact resistance of 50 milliohms. contact grayhill for information if the life limiting criteria is more critical than those listed, if the required cycles of operation are greater than those listed, if a larger make and break current is required than the one listed for the desired number of cycles, or if elevated temperatures or reduced pressures are part of the operating environment. materials and finishes switch base: diallyl per mil-m-14 detent cover and detent rotor in styles ap, af, bp, and bf: phenolic per mil-m-14 bushing: brass, tin zinc plating stop pin: stainless steel, passivated detent balls: steel, nickel-plated detent and contact springs: tinned music wire rotor contact: silver cad-oxide, gold-plated terminals and common: brass, gold plate .00002" minimum thickness over silver plate .0003" minimum. shaft in style bf or bp: zinc integral knob and detent rotor in style cf or cp: red thermoplastic mounting hardware for style bf or bp: one mounting nut .062" thick by .312" across flats and one external tooth lockwasher supplied with each switch. mounting nut is brass, zinc plated and lockwasher is spring steel. additional characteristics contact type: non-shorting, wiping contacts terminals: switches are provided with the full circle of terminals regardless of the number of active positions. stop strength: 8 ounce-inches minimum style and designation number of decks ? 0.187 (4,75) ? 0.300 (7,62) angle poles non- number of circle of term. circle of term. of throw per deck shorting positions/pole ap = screwdriver af = screwdriver actuated actuated 36 fixed printed 1 not 1 2 thru 10 bp = shaft operated bf = shaft operated 2 available 1 2 thru 5 cp = integral knob cf = integral knob choices and limitations stops terminal shorting ordering information series style: letters from choices and limitations chart angle of throw: 36 only 75ap36?01?1?10n?c stop arrangement: the suffix c or f must be added to a one pole per deck switch to indicate continuous rotation (c) or fixed stop (f) between position 1 and position 10. type of contacts: n=non-shorting only positions per pole: requires 02 positions as a minimum to maximum allowable dependent on the poles per deck poles per deck: 1 or 2 poles available number of decks: 1 deck only available from your local grayhill distributor. for prices and discounts, contact a local sales office, an authorized local distributor, or grayhill. rotary 3
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