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. Silver 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. Silver alloy on copper base for motor load ratings 1/2 HP @ 125 V AC or greater. TERMINALS: Brass alloy, bright tin plated. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. * Low Level=conditions where no arcing occurs during switching, i.e., 0.4 VA max. @ 20 V AC or DC max. 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 J-50 thru J-54. 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: Inches (mm) Specifications and dimensions subject to change J–49 www.ck-components.com J Snap-acting Specifications 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 OPER. POS. .625 ± .015 (15,88 ± 0,38) Snap-acting J Single Pole NOTE: To select switching function, see CIRCUITRY section, page J-52. 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 .0002 CONTACT SEPARATION 0 Switches with 1 AMP rating (option code ‘F5’) are available only with .020 contact separation (option ‘2’). DIFFERENTIAL TRAVEL SPECIFICATION LIMITS FOR VARIOUS CONTACT SEPARATIONS 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 J–50 www.ck-components.com 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 9 7 4 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 MOVABLE CONTACT B4 STATIONARY CONTACT 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. Fine silver. 5 AMPS @ 125 & 250 V AC (UL/CSA). B6 Precious metal alloy. 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). F5 Gold alloy. Gold alloy. Low level* to 1 AMP @ 125 V AC; 1 AMP @ 30 V DC (UL/CSA). F9 Fine silver. Fine silver welded to copper base. 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). V3 Fine silver. Fine silver welded to copper base. 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 µ (VDE). * Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications. AVAILABLE COMBINATIONS OPERATING FORCE (oz.) EUROPEAN SYMBOLS ELECTRICAL RATING 4 GF 9 KA 13 KC 18 KG 20 KH 26 PB Alternating current. A2 • • • • • • T_ _ Maximum rated use temperature. B4 x • • • • • Cycles over 50,000 at rated current. B6 x x x • • • 50E3 First number represents resistive rating; second number represents inductive (motor) rating. F5 x x • • • • 10(3) F9 x x x • • • X3 x • • • • • µ Microgap construction (less than 4 mm). ~ All models with all options, • 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: Inches (mm) Specifications and dimensions subject to change J–51 www.ck-components.com Snap-acting A2 J 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 NO. POLES FIG. DIM. A A0 SP 1 .86 (21,8) D0 SP 3 F0 SP J J0 Snap-acting A OPTION CODE DIM. B DIM. C DIM. D 1.120 ± .060 (28,45 ± 1,52) .38 dia. (9,7Ø) 1.03 (26,2) .92 (23,4) .844 ± .020 (21,44 ± 0,51) — — 2 .09 (2,3) 1.120 ± .050 (28,45 ± 1,27) .38 dia. (9,7Ø) .74 (18,8) 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) — — R5 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) D A D C B B FIG. C 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 J–52 www.ck-components.com HB Series Single Pole Standard Precision Snap-acting Switches ACTUATOR ACTUATOR OPTION CODE MAXIMUM OPERATING FORCE (OZ./GRAMS) MAXIMUM RELEASE FORCE (OZ./GRAMS) A0 D0 F0 * SEALED ACTUATOR 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 J NOTE: For basic switch operating forces, see page J-51. * Actuators sealed against the entrance of airbornecontaminants and/or splashing liquids. MAXIMUM DIFFERENTIAL TRAVEL (IN/MM) MAXIMUM PRETRAVEL (IN/MM) MINIMUM OVERTRAVEL (IN/MM) * SEALED ACTUATOR A0 D0 F0 J0 P0 R5 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) T0 Y0 TS Dimensions are shown: Inches (mm) Specifications and dimensions subject to change J–53 www.ck-components.com Snap-acting ACTUATOR OPTION CODE HB Series Single Pole Standard Precision Snap-acting Switches 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. 55 STEP BASE, 6-32 SCREWS AND CUP WASHERS Snap-acting J NOTE: Switches with step base option provide wide electrical clearance for screw terminal options. CIRCUITRY C DT (Double Throw, Normally Closed & Normally Open) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change J–54 www.ck-components.com