k snap-acting kC7 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com c&k hb series single pole standard precision snap-acting switches models a vailable features/benefits ? low differential travel, high repeatability ? long life50,000 cycles typical ? single and double pole circuitr y ? sealed actuator and case typical applications ? thermostats ? motors ? industrial controls specifications contact rating: from low level* to 20 amps @ 480 v ac; see electrical rating option section for complete listings. electrical life: 150,000 cycles at 20 amps @ 250 v ac. consult customer service center for typical life at other ratings. insula tion resistance: 1,000 m ohm min. dielectric strength: 1,500 vrms min. @ sea level. operating temperature: C7?oto 302? o?5?Ctoo150?). opera ting force: from 4 oz. to 26 oz. max. at actuator button available. mounting screws: torque 3 in/lbs max. (note: exceeding 3 in/lbs torque may change operating characteristics and increase the possibility of cracking switch case). terminal screws: torque 4 in/lbs max. panel mounting bushing: torque 4-6 in/lbs max. degree of protection: ip65; dust-pr oof, water splash and dew condensation. * low level=conditions where no arcing occurs during switching, i.e., 0.4 va max. @ 20 v ac or dc max. materials switch housing: heat resistant/electrical grade phenolic. inserts: brass alloy. actua tor button: moisture resistant phenolic. spring: copper alloy. pivot: brass alloy. movable contacts: gold alloy for ratings 1 amp or less. fine silver for ratings greater than 1 amp and motor load ratings less than 1/2 hp @ 125 v ac. precious metal alloy for motor load ratings 1/2 hp @ 125 v ac or gr eater. stationary contacts: gold alloy for ratings 1 amp or less. fine silver welded to copper base for ratings greater than 1 amp and motor load ratings less than 1/2 hp @ 125 v ac. pr ecious metal alloy on copper base for motor load ratings 1/2 hp @ 125 v ac or gr eater. terminals: brass alloy, bright tin plated. note: for the latest information r egar ding rohs compliance, please go to: www.ittcannon.com/rohs. note: specifications and materials listed above ar e for switches with standar d options. for information on specific and custom switches, consult customer service center. build-a-switch to order, simply select desired option from each category and place in the appropriate box. available options are shown and described on pages k-38 thru k-43. for additional options not shown in catalog, consult customer service center. h b series hb precision snap-acting switches operating for ce kg 18 oz./510 grams gf 4 oz./113 grams ka 9 oz./255 grams kc 13 oz./368 grams kh 20 oz./567 grams pb 26 oz./737 grams contact separation 2 .020" 1 .010" 4 .040" 7 .070" electrical rating b4 20 a, 125, 250, 480 v ac; 0.25 a, 250 v dc; 0.5 a, 125 v dc a2 5 a, 125, 250 v ac b6 20 a, 125, 250, 480 v ac; 0.25 a, 250 v dc; 0.5 a, 125 v dc; 3/4 hp, 125 v ac; 1 1/2 hp, 25o v ac f5 1 a,125 v ac; 1 a, 3o v dc f9 22 a, 125, 277 v ac; 15 a, 480 v ac; 1/4 hp, 125 v ac; 1/2 hp, 250 v ac x3 20 a, 125, 250, 480 v ac; 0.25 a, 250 v dc; 0.5 a, 125 v dc; 15(10) a, 380 v~ 185 ++ + (vde) actuator p0 pin plunger a0 lever roller d0 stub plunger f0 reverse acting lever roller j0 high overtravel plunger r5 p erpendicular roller plunger t0 lever ts sealed lever y0 reverse acting lever t erminations 11 flat base, solder, 4-40 screws 41 fla t base, .250" quick connect 55 step base, cup washers, 6-32 screws circuitry c spdt mounting style s standard s function s sp s c
k snap-acting kC8 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com c&k hb series single pole standard precision snap-acting switches series function contact separation 1 2 4 7 cont act separation .001 .002 .003 .004 .005 .0015 .0002 .0004 differential travel specification limits for various cont act separations inch 0 single po le oper. p os . .625 .0 1 5 (1 5 ,88 0, 38 ) s single pole switch hb precision snap-acting switches note: to select switching function, see circuitry section, page k-42. sealed actuator and case to provide reliable service under environmental conditions that might damage standard precision switches, various hb series switch models are sealed against the entrance of airborne contaminants and/or splashing liquids. the clearance between the operating plunger and the cover is sealed with a silicone boot and the base cover joint is sealed with an epoxy adhesive. these models ar e designed to meet requirements of ip65 (dust proof, water splash and dew condensation). for additional information on sealed switches, consult our customer service center . .070 (1,78) 7 .040 (1,02) 4 .010 (0,25) 1 .020 (0,51) 2 nominal cont act separation (in./mm) option code switches with 1 amp rating (option code 5?are available only with .020 contact separation (option ? switches with 1/2 hp , 125 v ac rating or gr eater (option codes 5 and b6? are not available with .010 contact separation (option code ?
k snap-acting kC9 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com c&k hb series single pole standard precision snap-acting switches operating force electrical rating .070 26 740 pb .040 20 570 kh .020 13 370 kc .010 9 255 ka .010 4 115 gf .020 18 510 kg standard contact sep aration (inch) maximum operating force (oz./grams) option code 7 9 13 14 20 26 30 .010 .020 .040 .070 ounces operating force specification limits for various cont act separations cont act separation 4 1 8 st andard range maximum limits available note: all listed differential travel characteristics are based on standard operating force andcontact separation. for any other force or contact separation, consult customer service center. operating force varies with actuator option, see actuator option section. first number represents resistive rating; second number r epresents inductive (motor) rating. 10(3) cycles over 50,000 at rated curr ent. 50e3 maximum rated use temperatur e. t_ _ alter nating curr ent. ~ microgap construction (less than 4 mm). m european symbols all models with all options, also available. consult customer service center for availability and delivery of nonstandard ratings. * low level=conditions wher e no ar cing occurs during switching, i.e., 0.4 va max. @ 20 v ac or dc max. 20 am p s @ 125 , 250 , 480 v ac ; 0. 25 am p @ 250 v dc , 0. 5 amp @ 125 v dc (ul / cs a ); 15 (1 0 ) am p s @ 38 0 v~ t85 50e 3 m (v de). fine si l ver we l de d to cop p er base . fine si l ver . x3 22 am p s @ 125 & 2 77 v ac ; 15 amp s @ 480 v ac ; 1/ 4 h p @ 125 v ac ; 1/ 2 h p @ 25 0 v ac ; 2 77 v ac (u l /cs a ). fine si l ver we l de d to cop p er base . fine si l ver . f9 l ow le v el * to 1 am p @ 125 v ac ; 1 amp @ 30 v dc (u l /cs a ). gold al l o y . gold al l o y . f5 20 am p s @ 125 , 250 & 480 v ac ; 0. 25 am p s @ 25 0 v dc ; 0. 5 am p s @ 125 v dc (ul / cs a ). 5 am p s @ 12 5 & 250 v ac (u l /cs a ). 20 am p s @ 125 , 250 & 480 v ac ; 0. 25 am p @ 250 v dc ; 0. 5 am p @ 125 v dc ; 3/ 4 h p @ 125 v ac ; 1 1/ 2 h p @ 25 0 v ac (ul / cs a ). fine si l ver we l de d to cop p er base . p reci ous met a l al l oy . fine si l ver . p reci ous met a l al l oy . b4 a2 b6 el ec tr ica lra tin g mo vable co n tact op tio n co d e sta ti on ary co n tact ro hs co m pliant* ro hs co m patible* yes yes yes yes yes yes yes yes yes yes yes yes x3 f9f5 b6 b4 a2 operating fo rc e (o z .) el ec tr i ca l rat in g ?v ai l ab l e x not av ai l ab l e av ai l ab l e co m bi n a tio ns 4 9 1 3 1 8 2 0 2 6 g f k a k c k g k h p b ? ???? x x x ?? ? x x x ?? ? x ? ? ?? ? x x ? ?? ? x ? ? ?? ? * note: see t echnical data section of this catalog for rohs compliant and compatible definition and specifications.
k snap-acting kC0 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com fig. 6 b c d a perpendicular roller plunger fig. 8 a b c d reverse acting lever fig. 7 a b c lever * actuators sealed against the entrance of airborne contaminants and/or splashing liquids. c&k hb series single pole standard precision snap-acting switches mounting style actuator fig. 1 a b c d lever roller fig. 2 a b c d lever roller fig. 3 a b stub plunger fig. 4 a c d b? .0 40 plunger panel mo unting .5 0 di a . (1 2, 70?) fig. 5 a b pin plunger s standard note: mounting holes will accept pins or screws of .139 dia. (3,53) max. on 1.000 .002 (25,4 0,05) centers. note: torque mounting screws 3 inlbs max. dim. d dim. c dim. b dim. a fig. no. poles option code 1.03 (26,2) .38 dia. (9,7?) 1.120 .060 (28,45 1,52) .86 (21,8) 1 sp a0 .844 .020 (21,44 0,51) .92 (23,4) 3 sp d0 .74 (18,8) .38 dia. (9,7?) 1.120 .050 (28,45 1,27) .09 (2,3) 2 sp f0 0.33 (8,40) .64 dia. (16,3?) .860 ?030 (21,84?,76) .86 (21,8) 4 sp j0 .625 .010 (15,88 0,25) .92 (23,4) 5 sp p0 0.61 (15,5) .50 dia. (12,7?) .62 (15,7) .92 (23,4) 6 sp rs 1.03 dia. (26,2?)) .720 .060 (18,28 1,52) 1.310 (33,27) 7 sp t0 1.03 dia. (26,2?) .720 .060 (18,28 1,52) 1.47 (37,3) 7 sp ts* 2.65 (6,73) .74 dia. (18,8?) .720 .030 (18,29 0,76) .05 (1,3) 8 sp y0
k snap-acting kC1 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com c&k hb series single pole standard precision snap-acting switches actuator .5 14 3 85 .5 14 4 110 4 110 4 110 3 85 4 110 .75 21 pb .5 14 3 85 .5 14 4 110 4 110 4 110 3 85 4 110 .75 21 kh .5 14 .5 14 4 110 .75 21 kg 3 85 4 110 4 110 4 110 3 85 4 110 kc .5 14 3 85 .5 14 4 110 4 110 4 110 3 85 4 110 .75 21 ka 1 28 gf maximum release force (oz./grams) 3.5 100 20 570 3.5 100 26 740 26 740 26 740 20 570 26 740 4.5 130 pb 3 85 20 570 3 85 20 570 20 570 20 570 20 570 20 570 4 115 kh 2.5 71 2.5 71 18 510 3.5 100 kg 10 284 13 370 13 370 13 370 10 284 13 370 kc 2 56 10 284 2 60 10 284 9 255 10 284 10 284 9.5 269 3 85 ka 4 115 gf maximum operating force (oz./grams) * sealed actuator ts actuator a0 d0 f0 j0 p0 r5 t0 y0 option code note: for basic switch operating forces, see page k-39. * actuators sealed against the entrance of airbor ne contaminants and/or splashing liquids.
k snap-acting kC2 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com c&k hb series single pole standard precision snap-acting switches actuator terminations 11 flat base, solder terminals and 4-40 screws 41 flat base, .250" quick connect terminals note: switches with flat base option have molded ribs that provide increased creep distance. note: for basic switch operating for ces, see page k-39. * actuators sealed against the entrance of airborne contaminants and/or splashing liquids. .19 (4,8) 0.9 (2,3) .19 (4,8) .141 (3,58) .005 (0,13) .22 (5,6) 0.9 (2,3) .055 (1,40) .156 (3,96) pb .19 (4,8) 0.9 (2,3) .19 (4,8) .141 (3,58) .005 (0,13) .22 (5,6) 0.9 (2,3) .055 (1,40) .156 (3,96) kh .19 (4,8) .19 (4,8) .005 (0,13) .156 (3,96) kg 0.9 (2,3) .141 (3,58) .005 (0,13) .22 (5,6) 0.9 (2,3) .055 (1,40) kc .19 (4,8) .06 (1,5) .19 (4,8) .141 (3,58) .005 (0,13) .22 (5,6) .06 (1,5) .055 (1,40) .156 (3,96) ka .005 (0,13) gf minimum overtravel (in/mm) .38 (9,7) 0.9 (2,3) .38 (9,7) .030 (0,76) .030 (0,76) .030 (0,76) 0.9 (2,3) .030 (0,76) .38 (9,7) pb .38 (9,7) 0.9 (2,3) .38 (9,7) .025 (0,64) .025 (0,64) .025 (0,64) 0.9 (2,3) .025 (0,64) .38 (9,7) kh .38 (9,7) .38 (9,7) .025 (0,64) .312 (7,92) kg .09 (2,3) .020 (0,51) .020 (0,51) .020 (0,51) 0.8 (2,0) .020 (0,51) kc .38 (9,7) .09 (2,3) .38 (9,7) .015 (0,38) .015 (0,38) .015 (0,38) 0.8 (2,0) .020 (0,51) .312 (7,92) ka .020 (0,51) gf maximum pretravel (in/mm) .156 (3,96) .031 (0,79) .156 (3,96) .005 (0,13) .030 (0,76) .007 (0,18) .125 (3,18) pb .093 (2,36) .020 (0,51) .093 (2,36) .003 (0,08) .020 (0,51) .003 (0,76) .080 (2,03) kh .078 (1,98) .078 (1,98) .003 (0,08) .062 (1,57) kg .009 (0,23) .002 (0,05) .008 (0,20) .002 (0,05) kc .047 (1,19) .005 (0,13) .047 (1,19) .0005 (0,013) .005 (0,13) .0005 (0,013) .020 (0,51) ka .0005 (0,013) gf maximum differential travel (in/mm) * sealed actuator ts actuator a0 d0 f0 j0 p0 r5 t0 y0 option code
k snap-acting kC3 dimensions are shown: inch (mm) specifications and dimensions subject to change www .ittcannon.com c&k hb series single pole standard precision snap-acting switches terminations circuitry c dt (double throw, normally closed & normally open) 55 step base, 6-32 screws and cup washers note: switches with step base option provide wide electrical clearance for screw terminal options.
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