b-38 apem www.apem.com sp series w ashable snap-action pushbutton switches distinctive features and specifications b general specifications ?torque : 0,25 nm (.18 ft.lb) applied to nut (threaded bushing) ?total travel : 0,50 mm (.019) ?mechanical strength : te rm inals are strengthened by a bracket or a ground plate ensuring the rigidity of the switch on the board. actuator strength is 10n max. ?operating temperature : -20? to +85? storage temperature : -40? to +85? ?moisture : the insulating materials employed and the complete seal permit the switches to withstand a 56 days moisture test (iec 68-2-3). ?soldering - thermal shock (plain bushing models only) : the switches are especially designed for flow soldering at 260? during 5 seconds owing to high temperature polymer parts. ?iron soldering (threaded bushing models) : 300? max., 5 seconds max. ?solderability : the switches are tested at 235? according to iec 68-2-20 after accelerated aging. ? sealed ?secure assembly of the two case parts ?internally sealed bushing ?epoxy sealed terminals ? process compatible (plain bushing models) ?wave solderable ?washable agency approval a vailability : all models with silver or gold plated silver contacts. marking : to order switches marked ul , complete appropriate box of ordering format. electrical specifications ?max. current/voltage rating with resistive load : - gold plated brass contacts : 100ma 30vdc - silver or gold plated silver contacts : 1a 120vac - 1a 30vdc ?initial contact resistance : 50 m ? max. ?insulation resistance : 1.000 m ? min. ?dielectric strength : 1.000 vrms 50 hz min. ?electrical life : 60.000 cycles materials ?case and cover : ul94-v0, polyamide, glass filled or pes ?actuator : polyamide, glass filled ?contacts 0 : brass, gold plated 1 : silver 2 : silver, gold plated ?terminal seal : epoxy
apem www.apem.com b-39 sp series w ashable snap-action pushbutton switches overview b sp series te r minals p0 straight pc y0 straight pc and bracket mounting w0 right angle, horizontal mounting ww right angle, vertical mounting so solder lug terminals, (threaded bushing) number of poles 3 single pole 4 double pole electrical function 5 on - mom caps (mounted) 10 5 (.196) 20 8 (.314) 30 9,4 (.370) 40 10 (.393) 80 15 (.590) 70 square height 4 (.157) 50 square height 6 (.236) contact and terminal materials 0 brass, gold plated 1 silver 2 silver, gold plated 8 contact brass, gold plated + tin plated terminals options/approval 00 standard model 01 ul marking on standard model 02 ul marking on threaded bushing model 76 short bushing for plunger 02 77 threaded bushing plungers 00 standard 02 short about this series on the following pages, you will find successively : - model structure of switches - options in the same order as above specifications are on previous page. dimensions : first dimensions are in mm while inches are shown as bracketted numbers. packaging unit : 25 or 50 pieces depending on model. mounting accessories : standard hardware supplied with all models with 6,35 (1/4) threaded bushing : 2 hex nuts 8 mm (.314) across flats, 1 locking ring and 1 lockwasher. standard and special hardware available are presented in section i.
b-40 apem www.apem.com sp series w ashable snap-action pushbutton switches plain or threaded bushing b plain bushing - right angle terminals - horizontal plain bushing - bracket mounting plain bushing - straight pc terminals 12 3 model structure ?solder lug, straight pc or right angle terminals ?features of threaded bushing models : - max. torque : 0,25 nm (.18 ft.lb) - iron soldering : 300? max., 5 seconds max. ?1 and 2 pole configurations 1-3 1-2 single pole sp35p0... 00 on - mom double pole sp45p0... 00 on - mom 1-3 1-2 single pole sp35y0... 00 on - mom double pole sp45y0... 00 on - mom 1-3 1-2 single pole sp35w0... 00 on - mom double pole sp45w0... 00 on - mom shown with standard plunger (.023) (.167) 4.25 0.60 1.10 (.043) 1.90 (.070) 1.90 (.074) (.096) 2.45 (.122 dia) (.208) (.244 dia) (.167) (.425) (.248) (.281) (.187) (.023) (.023) (.185) (.259) (.446) (.500) (.185) (.185) (.187) (.062 dia) 4.25 6.30 10.80 7.16 4.70 4.70 11.35 5.30 6.20 3.10 0.60 6.60 12.70 0.60 4.70 4.75 4.75 1.60 epoxy 123 3.10 (.122 dia) 6.20 (.244 dia) 5.30 7.16 (.281) (.208) (.125) (.185) (.620) (.173) (.460) (.232) (.125) (.185) (.620) (.185) (.620) (.125) (.187) (.062 dia) 3.18 3.18 4.75 1.60 4.70 15.75 3.18 11.70 5.90 4.40 4.70 4.70 15.75 15.75 epoxy (.446) 11.35 123 (.322) (.015) 8.20 0.40 (.035) 0.90 (.122 dia) 3.10 (.244 dia) 6.20 (.208) (.281) 7.16 5.30 (.500) (.240) (.150) (.023) (.185) (.153) (.153) (.468) (.271) (.015) (.500) (.374) (.023) (.500) epoxy (.500) (.500) (.150) (.200) (.185) (.185) (.062 dia) 3.90 6.90 12.70 4.70 0.60 11.65 3.90 1.60 5.08 4.70 4.70 3.81 12.70 12.70 0.40 12.70 3.81 0.60 9.50 12.70 6.10 321 5.08 (.200)
apem www.apem.com b-41 sp series w ashable snap-action pushbutton switches plain or threaded bushing b threaded bushing - straight pc terminals threaded bushing - solder lug terminals plain bushing - right angle terminals - vertical p anel cut - out 1-3 1-2 single pole sp35ww... 00 on - mom double pole sp45ww... 00 on - mom 1-3 1-2 single pole sp35s0... 77 on - mom 1-3 1-2 single pole sp35p0... 77 on - mom shown with standard plunger ? keyway ? keyway 6.50 2.20 5.20 (.255 dia) (.086 dia) (.204) 2.45 10.80 8.90 4.70 12.70 1.80 6.60 6.35-40uns epoxy (.185) (.096) (.500) (.259) (1/4 40uns) (.070) (.350) (.425) (.179) (.122 dia) 3.10 4.56 123 (.023) 0.60 4.70 1.60 (.062 dia) (.185) (.425) (.350) (1/4 40uns) (.259) (.500) (.185) epoxy 6.35-40uns 6.60 12.70 4.70 8.90 10.80 4.56 3.10 (.122 dia) (.179) 123 (.023) 0.60 0.60 (.023) 4.25 (.167) 5.30 7.16 (.281) (.208) 3.10 (.122 dia) 6.20 (.244 dia) (.500) (.150) (.240) (.122) (.511) (.023) (.187) (.023) (.374) (.446) (.259) epoxy (.150) (.500) (.150) (.500) 5.08 (.200) 1.60 (.062 dia) (.187) 0.60 6.60 13.00 3.10 4.75 11.35 4.75 (.015) 0.40 6.10 12.70 3.81 9.50 12.70 3.81 3.81 12.70 0.60 321 (.200) 5.08
b-42 apem www.apem.com sp series w ashable snap-action pushbutton switches b contact and terminal materials 0 brass, gold plated 1 silver 2 silver, gold plated 8 contact brass, gold plated + tin plated terminals 00 standard model 01 ul marking for standard model 02 ul marking for threaded bushing model 76 short plain bushing for 02 plunger (single pole models only) 77 threaded bushing (included in model numbers on previous page) plungers options / agency approval 00 02 standard plunger short (for models with plain bushing, single pole only) order with option 76 below. (.350) 8.90 (.179) (.122 dia) (.248) (.281) 4.56 6.30 7.16 3.10 3.10 (.122 dia) (.200) (.165) 5.10 4.20 3.10 (.122 dia)
apem www.apem.com b-43 sp series w ashable snap-action pushbutton switches b u825 for cap u3400 (.610 dia) (.728 dia) 18.50 15.50 6.35-40uns (1/4-40uns) 8.00 (.314) (.228) 5.80 (.322 dia) (.500 dia) (1/4-40uns) (.322) (.244) 12.70 8.20 6.20 8.20 6.35-40uns 10 (.157) (.129) (.196 dia) 3.30 4.00 5.00 20 (.250) (.118) (.314 dia) 3.00 6.35 8.00 dress nuts u840 u1636 chrome plated for threaded bushing models only. for cap u2900 for cap u2510 caps 30 40 70 50 standard - p/n u2900 80 p/n u3400 not available with plunger 02 p/n u2400 p/n u2510 p/n u2130 square - p/n u910 square - p/n u2340 not available with plunger 02 blank without cap cap colours replace last "0" by number 1 blue 1/4 dark blue 2 black 3 green 4 grey 5 yellow 6 red 7 ivory 7/1 white 9 orange to order caps separately, use their p/n (u...) (for threaded bushing order only separately). dress nuts are to be ordered separately. (.370 dia) (.250) (.129) 3.30 6.35 9.40 (.295) (.118) (.393 dia) 3.00 7.50 10.00 (.393) (.137) (.590 dia) 10.00 3.50 15.00 (.157) (.106) (.452 sq) 4.00 2.70 11.50x11.50 (.452 sq) (.196) (.236) 5.00 6.00 11.50x11.50 (.413 dia) (.531 dia) (.314) (.228) 10.50 13.50 5.80 8.00 6.35-40uns (1/4-40uns)
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