Snap-acting HB Series Single Pole Standard Precision Snap-acting Switches Features/Benefits Typical Applications • Low differential travel, high repeatability • Thermostats • Long life—150,000 cycles typical • Motors • Single and double pole circuitry • Industrial controls • Sealed actuator and case Specifications Materials CONTACT RATING: From low level* to 20 AMPS @ 480 V AC; SWITCH HOUSING: Heat resistant/electrical grade phenolic. see ELECTRICAL RATING option section for complete listings. INSERTS: Brass alloy. ELECTRICAL LIFE: 150,000 cycles at 20 AMPS @ 250 V AC. ACTUATOR BUTTON: Moisture resistant phenolic. consult Customer Service Center for typical life at other ratings. SPRING: Copper alloy. INSULATION RESISTANCE: 1,000 M ohm min. PIVOT: Brass alloy. DIELECTRIC STRENGTH: 1,500 Vrms min. @ sea level. MOVABLE CONTACTS: Gold alloy for ratings 1 AMP or less. OPERATING TEMPERATURE: –67ºF to 302ºF (–55ºC to 150ºC). Fine silver for ratings greater than 1 AMP and motor load OPERATING FORCE: From 4 oz. to 26 oz. max. at actuator ratings less than 1/2 HP @ 125 V AC. Silver alloy for motor button available. load ratings 1/2 HP @ 125 V AC or greater. MOUNTING SCREWS: Torque 3 in/lbs max. STATIONARY CONTACTS: Gold alloy for ratings 1 AMP or less. J (Note: Exceeding 3 in/lbs torque may change operating Fine silver welded to copper base for ratings greater than characteristics and increase the possibility of cracking 1 AMP and motor load ratings less than 1/2 HP @ 125 V AC. switch case). Silver alloy on copper base for motor load ratings 1/2 HP @ 125 V AC or greater. TERMINAL SCREWS: Torque 4 in/lbs max. TERMINALS: Brass alloy, bright tin plated. PANEL MOUNTING BUSHING: Torque 4-6 in/lbs max. DEGREE OF PROTECTION: IP65; Dust-proof, water splash and NOTE: Specifications and materials listed above are for switches with standard options. dew condensation. 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-72 through J-76. For additional options not shown in catalog, consult Customer Service Center. H B S S C Series HB Precision Snap-acting Switches Operating Force KG 18 oz./510 grams Mounting Style Circuitry Function GF 4 oz./113 grams S Standard C SPDT S SP KA 9 oz./255 grams Contact Separation KC 13 oz./368 grams 2 .020” KH 20 oz./567 grams 1 .010” PB 26 oz./737 grams 4 .040” 7 .070” Electrical Rating B4 20 A, 125, 250, 480 V AC; Actuator 0.25 A, 250 V DC; 0.5 A, 125 V DC P0 Pin plunger A2 5 A, 125, 250 V AC A0 Lever roller Terminations B6 20 A, 125, 250, 480 V AC; 0.25 A, D0 Stub plunger 11 Flat base, solder, 4-40 screws 250 V DC; 0.5 A, 125 V DC; 3/4 HP, F0 Reverse acting lever roller 41 Flat base, .250” quick connect 125 V AC; 1 1/2 HP, 25O V AC J0 High overtravel plunger 55 Step base, cup washers, 6-32 screws F5 1 A,125 V AC; 1 A, 3O V DC R5 Perpendicular roller plunger F9 22 A, 125, 277 V AC; 15 A, 480 V AC; T0 Lever 1/4 HP, 125 V AC; 1/2 HP, 250 V AC TS Sealed Lever Y0 Reverse acting lever Dimensions are shown: mm Specifications and dimensions subject to change www.ckswitches.com J–71 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 J (15,88 ± 0,38) Single Pole NOTE: To select switching function, see CIRCUITRY section, page J-52. CONTACT SEPARATION DIFFERENTIAL TRAVEL SPECIFICATION LIMITS OPTION NOMINAL CONTACT .0004 FOR VARIOUS CONTACT SEPARATIONS CODE SEPARATION (in./mm) .0002 INCH .020 2 CONTACT (0,51) Switches with 1 AMP rating (option 0 .001 .002 .003 .004 .005 SEPARATION code ‘F5’) are available only with .010 1 .020 contact separation (option ‘2’). (0,25) 1 Switches with 1/2 HP, 125 V AC rating .040 or greater (option codes ‘B5 and B6’) 4 2 (1,02) are not available with .010 contact separation (option code ‘1’). .070 4 7 (1,78) 7 .0015 Dimensions are shown: Inch (mm) Specifications and dimensions subject to change www.ckswitches.com J–72 Snap-acting Snap-acting HB Series Single Pole Standard Precision Snap-acting Switches OPERATING FORCE OPERATING FORCE SPECIFICATION LIMITS FOR VARIOUS CONTACT SEPARATIONS OPTION MAXIMUM OPERATING STANDARD CONTACT CODE FORCE (OZ./GRAMS) SEPARATION (inch) OUNCES CONTACT 18 KG .020 SEPARATION 510 41 79 13 14 8 20 26 30 4 .010 .010 GF 115 .020 9 .010 KA 255 .040 13 .020 KC 370 .070 20 KH .040 STANDARD RANGE MAXIMUM LIMITS AVAILABLE 570 26 .070 PB 740 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 STATIONARY CONTACT ELECTRICAL RATING J 20 AMPS @ 125, 250 & 480 V AC; 0.25 AMPS @ 250 V DC; 0.5 AMPS @ B4 Fine silver welded to 125 V DC (UL). Fine silver. copper base. A2 5 AMPS @ 125 & 250 V AC (UL). 20 AMPS @ 125, 250 & 480 V AC; 0.25 AMP @ 250 V DC; 0.5 AMP @ Precious metal alloy. B6 Precious metal alloy. 125 V DC; 3/4 HP @ 125 V AC; 1 1/2 HP @ 250 V AC (UL). F5 Gold alloy. Gold alloy. Low level* to 1 AMP @ 125 V AC; 1 AMP @ 30 V DC (UL). 22 AMPS @ 125 & 277 V AC; 15 AMPS @ 480 V AC; 1/4 HP @ 125 V AC; Fine silver welded to Fine silver. F9 1/2 HP @ 250 V AC; 277 V AC (UL). copper base. * Note: See Technical Data section of this catalog for RoHS compliant and compatible definition and specifications. AVAILABLE COMBINATIONS OPERATING FORCE (oz.) ELECTRICAL 4 9 13 18 20 26 RATING GF KA KC KG KH PB A2 • • • • • • B4 x • • • • • x x x • • • B6 F5 x x • • • • F9 x x x • • • • AVAILABLE x NOT AVAILABLE All models with all options 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 www.ckswitches.com J–73 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 NOTE: Torque mounting screws 3 inlbs max. 1.000 ± .002 (25,4 ± 0,05) centers. ACTUATOR A NO. D A D C OPTION CODE POLES FIG. DIM. A DIM. C DIM. B DIM. D C .86 1.120 ± .060 .38 dia. 1.03 SP 1 A0 (21,8) (28,45 ± 1,52) (9,7Ø) (26,2) .92 .844 ± .020 SP 3 — — B D0 B (23,4) (21,44 ± 0,51) .09 1.120 ± .050 .38 dia. .74 F0 SP 2 (2,3) (28,45 ± 1,27) (9,7Ø) (18,8) .86 .860±.030 SP 4 — — J J0 (21,8) (21,84±0,76) FIG. 1 FIG. 2 Lever Roller Lever Roller .92 .625 ± .010 SP 5 — — P0 (23,4) (15,88 ± 0,25) .92 .62 .50 dia. 0.61 A SP 6 R5 (23,4) (15,7) (12,7Ø) (15,5) 1.310 .720 ± .060 1.03 dia. T0 SP 7 — (33,27) (18,28 ± 1,52) (26,2Ø)) 1.47 .720 ± .060 1.03 dia. B TS* SP 7 — (37,3) (18,28 ± 1,52) (26,2Ø) .05 .720 ± .030 .74 dia. 2.65 SP 8 Y0 (1,3) (18,29 ± 0,76) (18,8Ø) (6,73) FIG. 3 Stub Plunger * Actuators sealed against the entrance of airborne C contaminants and/or splashing liquids. 0.33 A (8,40) Dia. A A B B D FIG. 5 PANEL MOUNTING Pin Plunger .640 ± .020 B FIG. 4 FIG. 6 Plunger Perpendicular Roller Plunger .50 DIA. (12,70?) D C A C A B B FIG. 8 FIG. 7 Reverse Acting Lever Lever Dimensions are shown: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com J–74 Snap-acting Snap-acting HB Series Single Pole Standard Precision Snap-acting Switches ACTUATOR ACTUATOR * SEALED ACTUATOR OPTION CODE A0 D0 F0 J0 P0 R5 T0 Y0 TS 4 GF — — — — — — — — 115 3 9.5 10 10 9 10 2 10 2 KA 85 269 284 284 255 284 60 284 56 MAXIMUM 13 10 13 13 13 10 KC — — — 370 284 370 370 370 284 OPERATING FORCE 3.5 18 2.5 2.5 KG — — — — — 100 510 71 71 (OZ./GRAMS) 4 20 20 20 20 20 3 20 3 KH 115 570 570 570 570 570 85 570 85 4.5 26 20 26 26 26 3.5 20 3.5 PB 130 740 570 740 740 740 100 570 100 1 GF — — — — — — — — 28 .75 4 3 4 4 4 .5 3 .5 KA 21 110 85 110 110 110 14 85 14 MINIMUM 1.7 4 3 4 4 4 3 KC — — 48 110 85 110 110 110 85 RELEASE FORCE .75 4 .5 .5 KG — — — — — 21 110 14 14 (OZ./GRAMS) .75 4 3 4 4 4 .5 3 .5 KH 21 110 85 110 110 110 14 85 14 J .75 4 3 4 4 4 .5 3 .5 PB 21 110 85 110 110 110 14 85 14 NOTE: For basic switch operating forces, see page J-71. * Actuators sealed against the entrance of airborne contaminants and/or splashing liquids. ACTUATOR * SEALED ACTUATOR OPTION CODE A0 D0 F0 J0 P0 R5 T0 Y0 TS .0005 GF — — — — — — — — (0,013) .020 .0005 .005 .0005 .047 .005 .047 KA — — (0,51) (0,013) (0,13) (0,013) (1,19) (0,13) (1,19) MAXIMUM .002 .008 .002 .009 KC — — — — — DIFFERENTIAL (0,05) (0,20) (0,05) (0,23) TRAVEL .062 .003 .078 .078 KG — — — — — (IN/MM) (1,57) (0,08) (1,98) (1,98) .080 .003 .020 .003 .093 .020 .093 KH — — (2,03) (0,76) (0,51) (0,08) (2,36) (0,51) (2,36) .125 .007 .030 .005 .156 .031 .156 PB — — (3,18) (0,18) (0,76) (0,13) (3,96) (0,79) (3,96) .020 GF — — — — — — — — (0,51) .312 .020 0.8 .015 .015 .015 .38 .09 .38 KA (7,92) (0,51) (2,0) (0,38) (0,38) (0,38) (9,7) (2,3) (9,7) .020 0.8 .020 .020 .020 .09 MAXIMUM KC — — — (0,51) (2,0) (0,51) (0,51) (0,51) (2,3) PRETRAVEL .312 .025 .38 .38 (IN/MM) KG — — — — — (7,92) (0,64) (9,7) (9,7) .38 .025 0.9 .025 .025 .025 .38 0.9 .38 KH (9,7) (0,64) (2,3) (0,64) (0,64) (0,64) (9,7) (2,3) (9,7) .38 .030 0.9 .030 .030 .030 .38 0.9 .38 PB (9,7) (0,76) (2,3) (0,76) (0,76) (0,76) (9,7) (2,3) (9,7) .005 GF — — — — — — — — (0,13) .156 .055 .06 .22 .005 .141 .19 .06 .19 KA (3,96) (1,40) (1,5) (5,6) (0,13) (3,58) (4,8) (1,5) (4,8) .055 0.9 .22 .005 .141 0.9 MINIMUM KC — — — (1,40) (2,3) (5,6) (0,13) (3,58) (2,3) OVERTRAVEL .156 .005 .19 .19 (IN/MM) KG — — — — — (3,96) (0,13) (4,8) (4,8) .156 .055 0.9 .22 .005 .141 .19 0.9 .19 KH (3,96) (1,40) (2,3) (5,6) (0,13) (3,58) (4,8) (2,3) (4,8) .156 .055 0.9 .22 .005 .141 .19 0.9 .19 PB (3,96) (1,40) (2,3) (5,6) (0,13) (3,58) (4,8) (2,3) (4,8) Dimensions are shown: Inch (mm) Specifications and dimensions subject to change www.ckswitches.com J–75 HB Series Single Pole Standard Precision Snap-acting Switches 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. 55  STEP BASE, 6-32 SCREWS AND CUP WASHERS 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: Inches (mm) Specifications and dimensions subject to change www.ckswitches.com J–76 Snap-acting