? cts 212 rotar y switche s ? hill and valley detent ? balanced double bump detent spring ? excellent feel ? 30? or 60? indexing ? spring return styles available ? adjustable stop available ? solder lug and printed circuit terminals available ? molded stator prevents solder from flowing into the circuit ? custom switching patterns available ? index or wafers are available separately series 21 2 electrical and mechanical specifications indexing double bump spring hill and valley detent with standand 30 indexing for 2 through 12 positions or with speci a l 60 indexing from 2 to 6 positions. special 90 indexing consult cts voltage and current rating ul rating: 3/4 amp at 125 vac (shorting type only) special rating: 1/4 amp at 28 vdc (shorting or non sh o rting) 1 amp at 28 vdc (shorting type only) contact resistance 15 milliohms max. when measured from adjacent termi n als stop strength 15 in-lb (17.3kgf-cm). torque up to 48 in-oz. (3.5kgf-cm). detent rotational life standard:25,000 cycles through 12 positions and return at 10 cycles per minute. materials shaft:aluminum or unplated brass at cts option bushing:standard brass detent spring: spring brass or nickel silver depending on torque requirements front plate: zinc plated or nickel plated plated steel at cts option rotor contacts, stator contacts and terminals: silver plated brass standard stator insulator: glass reinforced thermoset material bushing lengths standard: 3/8"-32 unef-2a thread,1/4" (6.35mm) or 3/8" (9.53mm) long. special lengths: available as required locating lugs standard:left side .531" (13.5mm) radius special:right side .531" (13.5mm) radius or no lug shaft trim standard:plain round special:flat, slot, knurl, or mixed (flat with slot) frames machine screw, bolt & nut, or rivet construction lubrication special lubrication is used sufficient for the life of the index assembly under normal hand operation. features 1 - 3 ? 200 6 c t s c o r p or a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n ge . cts electronic components www.ctscorp.c o m ? rohs compliant 1/19/200 7
physical dimensions dimension: m m in c h available terminal styles 5 9 . 9 3 0 . 1 2 4 4 . 7 1 7 8 6 . 7 2 8 . 3 7 5 . 1 5.74 .226 (7) 8 9 . 6 2 2 3 . 3 3 2 1 3 . 1 2 6 0 . 1 ?38.76 t o ou t side of terminals 1.526 .116.002 x-style t-style 4 4 . 7 1 4 4 . 6 3 7 . 3 3 3 4 . 1 7 8 6 . 6 4 1 . 38.0 1.496 2.54 .100 (13) p-style y-style 2 . 6 2 4 4 . 7 1 1 . 2 2 36.6 1.44 3 0 . 1 0 7 8 . 7 8 6 . 4.46 #4-40 p anhead scr e w s 2-clea r ance holes for 13.49 26.98 15 r15.09 ?1.98 as required hole @ 15 p.c. board mounting hole .531 1.062 .076 .594 u-style .176 4.95 7.09 7.88 .310 .279 .279 2.79 1.28 .110 .050 dimension: m m in c h typical assembled switch detent only 6.35 .250 * 9.12 .359 1.98 .078 l a 10.82 .426 * 1 1.35 .447 6.35 .250 3.18 .125 are av ailable t o provide pin s p acings as req'd s p ace no s p acers or s p acers of numerous lengths 10.82/.426 dimension based upon use of one 6.35/.250 * note : 5 3 . 6 ? 3.56 1.98 7.12 "a" "l" 2 . 3 13.5 0.8 .031 0 5 2 . .140 .078 .280 .016 0.4 .531 5 2 1 . 8 9 . 6 2 3 . 3 3 2 6 0 . 1 2 1 3 . 1 28.6 1.125 2 - 3 ? 200 6 c t s c o r p or a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n ge . cts electronic components www.ctscorp.c o m ?2.940.05 (2)thr . hole 3/8"-32 unef 2a th d . 1/19/200 7
contact type C non shorting shaft fms 1/32" increments 20 C .625" (15.9mm) 24 C .750" (19.1mm) 28 C .875" (22.2mm) 32 C 1.000" (25.4mm) poles 01 C 1 pole 10 C 10 poles etc. terminal style t C solder lug x C pc u C pcformed to rear p C pc with .100" (2.54mm) spacing specials n C none C d no locating lug e C locating lug right side shaft trim r C round f C flatted .375" x .156" (9.53mm x 4.0mm) k C knurled eia s148(24 teeth) s C sd slot .047" wide x .063" deep (1.2mm x 1.6mm) m C flatted .375 x .218 (9.53mm x 5.54mm) with slot positions 02 C 2 positions 12 C 12 positions, etc. mounting style bushing length: 1/8" increments examples: 2 C .250" (6.35mm) 3 C .375" (9.5mm) bushing mount supplied with locating lug left side terminals down ordering information t 0 1 0 2 n 2 2 0 r n 2 1 2 y C x style with .870" (22.1mm) meight stand off. n (break before make) s C shorting (break before make) index or adjustabl stop 1 C 60 index 1 blank C standard C 2 30 index with adjustable stop C 3 60 index with adjustable stop 3 - 3 ? 20 0 6 c t s c o r p o r a t i o n . a ll r i g h t s r e s e r v e d . i n f o r m a t i o n s u b j e c t t o c h a n g e . cts electronic components www.ctscorp. c o m 1/19/200 7
|