C&K HB Series Single Pole Standard Precision Snap-acting Switches Features/Benefits • Low differential travel, high repeatability • Long life—150,000 cycles typical • Single and double pole circuitry • Sealed actuator and case Typical Applications • Thermostats • Motors • Industrial controls Models Available Materials 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. INSULATION RESISTANCE: 1,000 M ohm min. DIELECTRIC STRENGTH: 1,500 Vrms min. @ sea level. OPERATING TEMPERATURE: –67ºF to 302ºF (–55ºC to 150ºC). OPERATING 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-proof, water splash and dew condensation. SWITCH HOUSING: Heat resistant/electrical grade phenolic. INSERTS: Brass alloy. ACTUATOR 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 greater. 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. Precious metal alloy on copper base for motor load ratings 1/2 HP @ 125 V AC or greater. TERMINALS: Brass alloy, bright tin plated. NOTE: For the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs. * Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max. NOTE: Specifications and materials listed above are for switches with standard 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 Function S SP S Operating Force 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 +++ µ (VDE) S C Mounting Style S Standard Circuitry C SPDT Actuator P0 Pin plunger A0 Lever roller D0 Stub plunger F0 Reverse acting lever roller J0 High overtravel plunger R5 Perpendicular roller plunger T0 Lever TS Sealed Lever Y0 Reverse acting lever Terminations 11 Flat base, solder, 4-40 screws 41 Flat base, .250" quick connect 55 Step base, cup washers, 6-32 screws Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–37 www.ittcannon.com K Snap-acting Specifications C&K HB Series Single Pole Standard Precision Snap-acting Switches 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 are designed to meet requirements of IP65 (dust proof, water splash and dew condensation). For additional information on sealed switches, consult our Customer Service Center. SERIES HB PRECISION SNAP-ACTING SWITCHES FUNCTION S SINGLE POLE SWITCH K Snap-acting OPER. POS. .625 ± .015 (15,88 ± 0,38) Single Pole NOTE: To select switching function, see CIRCUITRY section, page K-42. CONTACT SEPARATION OPTION CODE NOMINAL CONTACT SEPARATION (in./mm) 2 .020 (0,51) 1 .010 (0,25) 4 .040 (1,02) 7 .070 (1,78) .0004 DIFFERENTIAL TRAVEL SPECIFICATION LIMITS FOR VARIOUS CONTACT SEPARATIONS .0002 CONTACT SEPARATION 0 Switches with 1 AMP rating (option code ‘F5’) are available only with .020 contact separation (option ‘2’). INCH .001 .002 .003 .004 .005 1 Switches with 1/2 HP, 125 V AC rating or greater (option codes ‘B5 and B6’) are not available with .010 contact separation (option code ‘1’). 2 4 7 .0015 Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–38 www.ittcannon.com C&K HB Series Single Pole Standard Precision Snap-acting Switches OPERATING FORCE OPTION CODE OPERATING FORCE SPECIFICATION LIMITS FOR VARIOUS CONTACT SEPARATIONS MAXIMUM OPERATING FORCE (OZ./GRAMS) STANDARD CONTACT SEPARATION (inch) KG 18 510 .020 CONTACT SEPARATION GF 4 115 .010 .010 KA 9 255 .010 KC 13 370 .020 KH 20 570 .040 PB 26 740 .070 OUNCES 7 4 9 13 14 18 20 26 30 .020 .040 .070 STANDARD 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. ELECTRICAL RATING OPTION CODE RoHS COMPLIANT* RoHS COMPATIBLE* MOVABLE CONTACT Yes Yes Yes Yes B6 Yes Yes Precious metal alloy. F5 Yes Yes Fine silver. K ELECTRICAL RATING 20 AMPS @ 125, 250 & 480 V AC; 0.25 AMPS @ 250 V DC; 0.5 AMPS @ 125 V DC (UL/CSA). Fine silver welded to copper base. 5 AMPS @ 125 & 250 V AC (UL/CSA). Precious metal alloy. 20 AMPS @ 125, 250 & 480 V AC; 0.25 AMP @ 250 V DC; 0.5 AMP @ 125 V DC; 3/4 HP @ 125 V AC; 1 1/2 HP @ 250 V AC (UL/CSA). Gold alloy. Gold alloy. Low level* to 1 AMP @ 125 V AC; 1 AMP @ 30 V DC (UL/CSA). 22 AMPS @ 125 & 277 V AC; 15 AMPS @ 480 V AC; 1/4 HP @ 125 V AC; 1/2 HP @ 250 V AC; 277 V AC (UL/CSA). 20 AMPS @ 125, 250, 480 V AC; 0.25 AMP @ 250 V DC, 0.5 AMP @ 125 V DC (UL/CSA); 15 (10) AMPS @ 380 V~ T85 50E3 m (VDE). F9 Yes Yes Fine silver. Fine silver welded to copper base. X3 Yes Yes Fine silver. Fine silver welded to copper base. * Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications. AVAILABLE COMBINATIONS OPERATING FORCE (oz.) EUROPEAN SYMBOLS m Microgap construction (less than 4 mm). ~ Alternating current. ELECTRICAL RATING T_ _ Maximum rated use temperature. 50E3 Cycles over 50,000 at rated current. 10(3) First number represents resistive rating; second number represents inductive (motor) rating. All models with all options, 4 GF 9 KA 13 KC 18 KG 20 KH 26 PB A2 • • • • • • B4 x • • • • • B6 x x x • • • F5 x x • • • • F9 x x x • • • X3 x • • • • • • AVAILABLE x NOT AVAILABLE also available. Consult Customer Service center for availability and delivery of nonstandard ratings. * Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max. Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–39 www.ittcannon.com Snap-acting B4 A2 STATIONARY CONTACT C&K HB Series Single Pole Standard Precision Snap-acting Switches MOUNTING STYLE 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. ACTUATOR A OPTION CODE NO. POLES FIG. DIM. A DIM. B DIM. C DIM. D A0 SP 1 .86 (21,8) 1.120 ± .060 (28,45 ± 1,52) .38 dia. (9,7Ø) 1.03 (26,2) D0 SP 3 .92 (23,4) .844 ± .020 (21,44 ± 0,51) — — F0 SP 2 .09 (2,3) 1.120 ± .050 (28,45 ± 1,27) .38 dia. (9,7Ø) .74 (18,8) J0 SP 4 .86 (21,8) .860±.030 (21,84±0,76) .64 dia. (16,3Ø) 0.33 (8,40) P0 SP 5 .92 (23,4) .625 ± .010 (15,88 ± 0,25) — — RS SP 6 .92 (23,4) .62 (15,7) .50 dia. (12,7Ø) 0.61 (15,5) T0 SP 7 1.310 (33,27) .720 ± .060 (18,28 ± 1,52) 1.03 dia. (26,2Ø)) — TS* SP 7 1.47 (37,3) .720 ± .060 (18,28 ± 1,52) 1.03 dia. (26,2Ø) — Y0 SP 8 .05 (1,3) .720 ± .030 (18,29 ± 0,76) .74 dia. (18,8Ø) 2.65 (6,73) Snap-acting K D A D C C B B FIG. 1 FIG. 2 Lever Roller Lever Roller A B FIG. 3 Stub Plunger * Actuators sealed against the entrance of airborne contaminants and/or splashing liquids. C D A A B? .040 A B D FIG. 5 Pin Plunger PANEL MOUNTING C B FIG. 4 Plunger FIG. 6 Perpendicular Roller Plunger .50 DIA. (12,70?) D C A C B A B FIG. 8 Reverse Acting Lever FIG. 7 Lever Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–40 www.ittcannon.com C&K HB Series Single Pole Standard Precision Snap-acting Switches ACTUATOR ACTUATOR OPTION CODE MAXIMUM OPERATING FORCE (OZ./GRAMS) D0 F0 J0 P0 R5 T0 Y0 TS — — — — GF — — — — 4 115 KA 3 85 9.5 269 10 284 10 284 9 255 10 284 2 60 10 284 2 56 KC — 13 370 10 284 13 370 13 370 13 370 — 10 284 — KG 3.5 100 — — — 18 510 — 2.5 71 — 2.5 71 KH 4 115 20 570 20 570 20 570 20 570 20 570 3 85 20 570 3 85 PB 4.5 130 26 740 20 570 26 740 26 740 26 740 3.5 100 20 570 3.5 100 GF — — — — 1 28 — — — — KA .75 21 4 110 3 85 4 110 4 110 4 110 .5 14 3 85 .5 14 KC — 4 110 3 85 4 110 4 110 4 110 — 3 85 — KG .75 21 — — — 4 110 — .5 14 — .5 14 KH .75 21 4 110 3 85 4 110 4 110 4 110 .5 14 3 85 .5 14 PB .75 21 4 110 3 85 4 110 4 110 4 110 .5 14 3 85 .5 14 K Snap-acting MAXIMUM RELEASE FORCE (OZ./GRAMS) A0 * SEALED ACTUATOR NOTE: For basic switch operating forces, see page K-39. * Actuators sealed against the entrance of airborne contaminants and/or splashing liquids. Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–41 www.ittcannon.com C&K HB Series Single Pole Standard Precision Snap-acting Switches ACTUATOR ACTUATOR OPTION CODE MAXIMUM DIFFERENTIAL TRAVEL (IN/MM) MAXIMUM PRETRAVEL (IN/MM) Snap-acting K MINIMUM OVERTRAVEL (IN/MM) A0 D0 F0 * SEALED ACTUATOR J0 P0 R5 T0 Y0 TS — — — — GF — — — — .0005 (0,013) KA .020 (0,51) .0005 (0,013) .005 (0,13) — .0005 (0,013) — .047 (1,19) .005 (0,13) .047 (1,19) KC — .002 (0,05) .008 (0,20) — .002 (0,05) — — .009 (0,23) — KG .062 (1,57) — — — .003 (0,08) — .078 (1,98) — .078 (1,98) KH .080 (2,03) .003 (0,76) .020 (0,51) — .003 (0,08) — .093 (2,36) .020 (0,51) .093 (2,36) PB .125 (3,18) .007 (0,18) .030 (0,76) — .005 (0,13) — .156 (3,96) .031 (0,79) .156 (3,96) GF — — — — .020 (0,51) — — — — KA .312 (7,92) .020 (0,51) 0.8 (2,0) .015 (0,38) .015 (0,38) .015 (0,38) .38 (9,7) .09 (2,3) .38 (9,7) KC — .020 (0,51) 0.8 (2,0) .020 (0,51) .020 (0,51) .020 (0,51) — .09 (2,3) — KG .312 (7,92) — — — .025 (0,64) — .38 (9,7) — .38 (9,7) KH .38 (9,7) .025 (0,64) 0.9 (2,3) .025 (0,64) .025 (0,64) .025 (0,64) .38 (9,7) 0.9 (2,3) .38 (9,7) PB .38 (9,7) .030 (0,76) 0.9 (2,3) .030 (0,76) .030 (0,76) .030 (0,76) .38 (9,7) 0.9 (2,3) .38 (9,7) GF — — — — .005 (0,13) — — — — KA .156 (3,96) .055 (1,40) .06 (1,5) .22 (5,6) .005 (0,13) .141 (3,58) .19 (4,8) .06 (1,5) .19 (4,8) KC — .055 (1,40) 0.9 (2,3) .22 (5,6) .005 (0,13) .141 (3,58) — 0.9 (2,3) — KG .156 (3,96) — — — .005 (0,13) — .19 (4,8) — .19 (4,8) KH .156 (3,96) .055 (1,40) 0.9 (2,3) .22 (5,6) .005 (0,13) .141 (3,58) .19 (4,8) 0.9 (2,3) .19 (4,8) PB .156 (3,96) .055 (1,40) 0.9 (2,3) .22 (5,6) .005 (0,13) .141 (3,58) .19 (4,8) 0.9 (2,3) .19 (4,8) NOTE: For basic switch operating forces, see page K-39. * Actuators sealed against the entrance of airborne contaminants and/or splashing liquids. TERMINATIONS 11 41 FLAT BASE, SOLDER TERMINALS AND 4-40 SCREWS FLAT BASE, .250" QUICK CONNECT TERMINALS NOTE: Switches with flat base option have molded ribs that provide increased creep distance. Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–42 www.ittcannon.com C&K HB Series Single Pole Standard Precision Snap-acting Switches TERMINATIONS 55 STEP BASE, 6-32 SCREWS AND CUP WASHERS NOTE: Switches with step base option provide wide electrical clearance for screw terminal options. K C Snap-acting CIRCUITRY DT (Double Throw, Normally Closed & Normally Open) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change K–43 www.ittcannon.com