8020 Series Snap-acting Momentary Pushbutton Switches Features/Benefits Typical Applications A • Positive tactile feel • Instrumentation • Multi-positions available • Computer peripherals P u • Wide variety of termination options • Telecommunications equipment s h • Epoxy terminal seal compatible with b bottom wash cleaning u t • RoHS compliant models available to n Models Available Specifications Materials CONTACT RATING: B contact material (8X25 Models): 0.4 VA max. CASE: Glass filled nylon 6/6 or diallyl phthalate (DAP), @ 20 V AC or DC maximum. G contact material (8X21, U8X1 flame retardant (UL 94V-0). Models): 1 AMP @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC or DC max. Note: Break-before-makecontacts. Multi-pole PLUNGER: Glass filled nylon or glass filled polyester (PBT) (UL 94V-0). contacts do not make and break simultaneously. See page A-43 CAP & FRAME: Nylon, black, standard. for additional ratings. BUSHING: Brass or zinc, nickel plated. ELECTRICAL LIFE: 60,000 make-and-break cycles at full load. HOUSING: Stainless steel. CONTACT RESISTANCE: Below 50 mΩ typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts. SWITCH SUPPORT: Brass or steel, matte-tin plated. INSULATION RESISTANCE: 109Ω min. N.O. & N.C. CONTACTS: 8X21, U8X1 MODELS: G contact material: DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level. Coin silver, with gold plate over nickel plate. See page A-43 for additional contact materials. OPERATING TEMPERATURE: 8X2X MODELS: –30ºC to 75ºC. U8X1 MODELS: –30ºC to 65ºC. 8X25 MODELS: B contact material: Copper alloy, with gold plate over nickel plate. See page A-43 for additional contact materials. CAP INSTALLATION FORCE: 10 lbs. max. permissible. COMMON CONTACT & ALL TERMINALS: Copper alloy, with gold SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E method 9 (1 hour steam aging). plate over nickel plate. TERMINAL SEAL: Epoxy. Refer to soldering and cleaning NOTE: Any models supplied with B, P, R, or G contact material are RoHS compliant. Technical Data Chapter. NOTE: Specifications and materials listed above are for switches with standard options. For information on specific and custom switches, consult Customer Service Center. HARDWARE: Nut & Locking Ring: Brass, nickel plated; Lockwasher: Steel, nickel plated. 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 A-30 thru A-45. For additional options not shown in catalog, consult Customer Service Center. All models have epoxy terminal seal and are compatible with all “bottom-wash” PCB cleaning methods. Switch Function Bushing Contact Material 8121 SPDT On-Mom. 1 Amp D9 .280” high, keyway B Gold Frame Color 8125 SPDT On-Mom. 0.4VA H .250” high, flat P Gold, matte-tin 2 Black 8221 DPDT On-Mom. 1 Amp Actuator or Plunger NONE No bushing G Gold over silver NONE Models 8225 DPDT On-Mom. 0.4VA S Plunger choice required R Gold over silver, without frame 8321 3PDT On-Mom. 1 Amp NONE Snap-in D .280” high, keyway matte-tin 1 White 8325 3PDT On-Mom. 0.4VA J80 Snap-in D2 .288” high, flat 3 Red 8421 4PDT On-Mom. 1 Amp J81 Snap-in w/frame D3 .180” high 5 Yellow 8425 4PDT On-Mom. 0.4VA J82 Snap-in w/frame for LED D8 .288” high, flat Seal 6 Green J83 Snap-in w/frame & H9 .250” high, flat, hi torque E Epoxy 9 Gray Note: UL models flush cap Y .350” high, keyway I Epoxy potted aavnadi lAab-3le1,. see page A-30 J84 Snap-in w/frame for LED, Y3 6.35mm high, base LED Color flush cap keyway, hi torque Cap Color 3 Red J85 Snap-in w/frame & LED Y4 .378” high, flat, hi torque 2 Black 4 Orange NONE Models J95 PC w/V-bracket & LED Y9 .350” high, keyway NONE Models 5 Yellow without LED L Plunger without caps 6 Green 5 Yellow M Snap-fitting plunger 1 White 7 Blue 6 Green 3 Red 9 Gray Terminations A Right angle, PC thru-hole A4 Right angle, PC thru-hole, reversed terminals V2 .555” high, V-bracket V31 .460” high, snap-in V-bracket AV2 Vertical right angle, PC thru-hole A6 Right angle, PC thru-hole V3 .460” high, V-bracket V61 .460” high, snap-in V-bracket C PC Thru-hole AV1 Vertical right angle, PC thru-hole V4 .630” high, V-bracket W .750” long, wire wrap Z Solder lug AV3 Vertical right angle, snap-in, PC thru-hole V6 .460” high, V-bracket W1 .964” long, wire wrap A2 Right angle, PC thru-hole R Right angle with PCB V7 .630” high, V-bracket W3 .425” long, wire wrap A3 Right angle, snap-in, PC thru-hole R2 Right angle with PCB, reversed terminals V8 .953” high, V-bracket W4 1.062” long, wire wrap V9 1.150” high, V-bracket Z3 Quick connect Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-29

8020 Series Snap-acting Momentary Pushbutton Switches SWITCH FUNCTION A n SWITCH FUNCTION CONNECTED TERMINALS o POS. 1 POS. 2 POS. 1 POS. 2 t t u UL/CSA* b h PONLOE.S MODEL NO. MONODE.L Co&pKp mosaitrek insgid eon Co&pKp mosaitrek insgid eon SCHEMATIC s u P 8121 U811 ON MOM. SP 1-3 1-2 8125 ON MOM. SPDT SPDT Terminal Nos. Part number shown: 8121SHZGE For Reference Only 8221 U821 ON MOM. DP 1-3,4-6 1-2,4-5 8225 ON MOM. DPDT DPDT Part number shown: 8221SHZGE Terminal Nos. For Reference Only 8321 U831 ON MOM. 3P 1-3,4-6,7-9 1-2,4-5,7-8 8325 ON MOM. 3PDT 3PDT Terminal Nos. Part number shown: 8321SHZGE For Reference Only MOM. = Momentary 8X25 models must be ordered with B or P contact material. *U811 thru U841 model numbers with all options (except R, R2 terminations) 8X21 and U8X1 models must be ordered with G or R contact material. when ordered with G or R contact material. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-30

8020 Series Snap-acting Momentary Pushbutton Switches SWITCH FUNCTION A SWITCH FUNCTION CONNECTED TERMINALS P POS. 1 POS. 2 POS. 1 POS. 2 u s h UL/CSA* b NO. MODEL C&K marking on C&K marking on u POLES MODEL NO. NO. opposite side opposite side SCHEMATIC t t 8421 U841 ON MOM. o 4P 1-3,4-6,7-9,10-12 1-2,4-5,7-8,10-11 n 8425 ON MOM. 4PDT 4PDT Terminal Nos. Part number shown: 8421SHZGE For Reference Only MOM. = Momentary 8X25 models must be ordered with B or P contact material. * U811 thru U841 model numbers with all options (except R, R2 terminations) 8X21 and U8X1 models must be ordered with G or R contact material. when ordered with G or R contact material. CAP COLOR ACTUATOR—SNAP-IN FRONT MOUNT ACTUATOR OR PLUNGER FRAME COLOR J80 SNAP-IN PANEL MOUNTING ** OPTION CODE CAP AND FRAME COLOR 2 BLACK NONE No Frame Color (J80 option) 1 WHITE 3 RED NOTE: No frame color choice required. 4 ORANGE ** Increase this dim. to .620/.625 (15,75/15,88) for .091/.125 (2,31/3,18) thk. panels. 5 YELLOW J81 6 GREEN SNAP-IN WITH FRAME 7 BLUE 9 GRAY PANEL MOUNTING Other colors available, consult Customer Service Center. Cap and Frame Finish: matte. NOTE: Caps and frames available separately, see pages A-44 and A-45. ** NOTE: Available with C, W-W4, Z or Z3 terminations and SPDT and DPDT models only. ** Increase this dim. to .620/.625 (15,75/15,88) for .091/.125 (2,31/3,18) thk. panels. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-31

8020 Series Snap-acting Momentary Pushbutton Switches CAP COLOR ACTUATOR—SNAP-IN FRONT MOUNT A ACTUATOR OR PLUNGER FRAME COLOR J83 n SNAP-IN WITH FRAME AND FLUSH CAP o t PANEL MOUNTING t u b h s u ** P J82 SNAP-IN WITH FRAME FOR LED LED not included. For LED information, see page A-45. J84 SNAP-IN WITH FRAME FOR LED, FLUSH CAP LED not included. For LED information, see page A-45. OPTION CAP AND FRAME CODE COLOR 2 BLACK 1 WHITE 3 RED Other colors available, consult 4 ORANGE Customer Service Center. 5 YELLOW Cap and Frame Finish: matte. 6 GREEN Available with C, W-W4, Z or Z3 terminations and SPDT and DPDT models only. 7 BLUE NOTE: Caps and frames available separately, 9 GRAY see pages A-44 and A-45. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-32

8020 Series Snap-acting Momentary Pushbutton Switches CAP COLOR LED COLOR ACTUATOR—SNAP-IN FRONT MOUNT ACTUATOR OR PLUNGER FRAME COLOR A J85 SNAP-IN WITH FRAME AND LED P u s PANEL MOUNTING h b u t t o * n * Increase this dim. to .620/.625 (15,75/15,88) for .091/.125 (2,31/3,18) thk. panels. 8121J85ZGE223 SPST OPTION CAP AND FRAME OPTION Available with C, W-W4, Z or Z3 CODE COLOR CODE LED COLOR tFeorrm LinEaDt ioinnfos ramnadt iSonP DseTe m poadgeel sA o-4n5ly.. 2 BLACK 3 RED 1 WHITE 5 YELLOW NOTE: Caps & frames available separately, see pages A-44 and A-45. 3 RED 6 GREEN 4 ORANGE For LED information see page A-45. 5 YELLOW 6 GREEN 7 BLUE 9 GRAY CAP COLOR ACTUATOR—PC MOUNT ACTUATOR OR PLUNGER LED COLOR J95 PC WITH V-BRACKET AND LED PC MOUNTING OPTION CAP AND FRAME OPTION CODE COLOR CODE LED COLOR 2 BLACK 3 RED 1 WHITE 5 YELLOW 8121J95V3GE23 SPST 3 RED 6 GREEN 4 ORANGE For LED information see page A-45. 5 YELLOW 6 GREEN 7 BLUE 9 GRAY NOTE: Caps available separately, see page A-44. Available with V3 terminations and SPDT models only. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-33

8020 Series Snap-acting Momentary Pushbutton Switches PLUNGER A ACTUATOR OR PLUNGER S n PLUNGER DIM. ‘A’ o DIM. ‘A’ FOR A, A2, A3, A4, A6, DIM. ‘A’ t AVAILABLE FOR C, W-W4, Z & Z3 AV-A3, R & R2 FOR V3-V61 ut BUSHINGS TERMINATIONS TERMINATIONS TERMINATIONS b D, D9 .244 (6,20) .228 (5,79) .224 (5,69) h s H, H9 .218 (5,54) .202 (5,13) .198 (5,03) u Y, Y9 .203 (5,16) .187 (4,75) .183 (4,65) P Y3 (5,54) (5,13) (5,03) NONE Y4 .185 (4,70) .169 (4,29) .165 (4,19) NO PLUNGER CHOICE REQUIRED (JXX ACTUATORS) D2, D8 N/A .232 (5,89) .228 (5,79) D3 N/A .162 (4,11) .158 (4,01) DIM. ‘B’ L PLUNGER DIM. ‘B’ FOR A, A2, A3, A4, A6, DIM. ‘B’ AVAILABLE FOR C, W-W4, Z & Z3 AV-A3, R & R2 FOR V3-V61 BUSHINGS TERMINATIONS TERMINATIONS TERMINATIONS Y, Y9 .178 (4,52) .162 (4,11) .158 (4,01) Y4 .090 (2,29) .074 (1,88) .070 (1,78) DIM. ‘C’ DIM. ‘C’ FOR A, A2, A3, A4, A6, DIM. ‘C’ AVAILABLE FOR C, W-W4, Z & Z3 AV-A3, R & R2 FOR V3-V61 BUSHINGS TERMINATIONS TERMINATIONS TERMINATIONS M SNAP-FITTING PLUNGER D, D9 .297 (7,54) .281 (7,14) .277 (7,04) H, H9 .267 (6,78) .251 (6,38) .247 (6,27) Y, Y9 .259 (6,58) .243 (6,17) .239 (6,07) Y3 (6,78) (6,37) (6,27) Y4 .259 (6,58) .243 (6,17) .239 (6,07) D2, D8 N/A .273 (6,93) .269 (6,83) D3 N/A .361 (9,17) .357 (9,07) N/A = NOT AVAILABLE NOTE: When selecting plunger option, bushing selection must also be made, see next page. No plunger option is required when any JXX actuator option is selected. Additional plunger lengths are available on SPDT and DPDT models, consult Customer Service Center. Not all plunger lengths sufficient for use with caps, see page A-44. BUSHING NONE NO BUSHING D .280” HIGH THREADED, KEYWAY H .250”34 HIGH THREADED, FLAT Y .350” HIGH THREADED, KEYWAY CHOICE REQUIRED D9 H9 Y9 .28034” HIGH UNTHREADED, .250”34 HIGH UNTHREADED, .350” HIGH UNTHREADED, KEYWAY (JXX ACTUATORS) KEYWAY FLAT 1/4-40 UNS-2A D9 bushing standard with A-A6, H bushing standard with C, W-W4, Z or Z3 terminations. R, R2 AV-AV3 terminations. H, H9 bushings not available on single pole models with A3-A6, R, R2 terminations. Will withstand 12 in./lbs. of torque with Third Angle no distortion. Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change 29 Aug 18 www.ckswitches.com A-34

8020 Series Snap-acting Momentary Pushbutton Switches BUSHING A Y3 Y4 D2 D3 6.35mm THREADED, KEYWAY .378” HIGH THREADED, FLAT .288” HIGH THREADED, FLAT .180” HIGH UNTHREADED P D8 .288” HIGH UNTHREADED, FLAT u s h b u t t o n 1/4-40 UNS-2A Y3 & Y4 bushings not available on single pole models with D2, D8 bushings not available with D3 bushing available with A3-A6, R, R2 terminations. Will withstand 12 in./lbs. of torque C, W-W4, Z, Z3 terminations. A, A2, A3, AV, AV2, AV3 and with no distortion. V2-V61 terminations only. NOTE: No bushing option choice required when JXX actuator option is selected. When selecting bushing option, plunger selection must also be made, see previous page. Plunger lengths vary with bushing and termination options selected. NOTE: Two mounting nuts, locking ring and lockwasher supplied standard with threaded bushings. Optional mounting nut and locking ring styles available, see section “Technical Data and Additional Hardware”. TERMINATIONS Z C SOLDER LUG PC THRU-HOLE PC MOUNTING Not available with J95 actuator, SPDT thru 4PDT P or R contact material. SPDT thru 4PDT Not available with J95 actuator option. Z3 W W1, W3, W4 QUICK CONNECT WIRE WRAP OPTION CODE DIM ‘A’ W .750 (19,05) DIM `A' W1 .964 (24,49) W3 .425 (10,80) W4 1.062 (26,97) SPDT thru 4PDT Not available with J95 actuator, P or R contact Not available with J95 actuator option. material. Mating quick connector available, order part number 530100000, page A-44. SPDT thru 4PDT Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-35

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A A n RIGHT ANGLE, PC THRU-HOLE o t t u b h s u P 8121SD9AGE SPDT .138 (3,51) A3 RIGHT ANGLE, SNAP-IN, PC THRU-HOLE PC MOUNTING Not available with JXX actuators and I seal. Terminal bend radii and lead-in manufacturing option. A RIGHT ANGLE, PC THRU-HOLE 8221SD9AGE DPDT SECTION A-A A3 RIGHT ANGLE, SNAP-IN, PC THRU-HOLE PC MOUNTING Not available with JXX actuators and I seal option. Terminal bend radii and lead-in manufacturing option. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-36

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A A RIGHT ANGLE, PC THRU-HOLE P u s h PC MOUNTING b u t t o n 8321SD9AGE 3PDT SECTION A-A Not available with JXX actuators and I seal option. Terminal bend radii and lead-in manufacturing option. A2 RIGHT ANGLE, PC THRU-HOLE PC MOUNTING 8121SD9A2GE SPDT Not available with JXX actuators, I seal option. Terminal bend radii and lead-in manufacturing option. A4 RIGHT ANGLE, PC THRU-HOLE, REVERSED TERMINALS 8121SD9A4GE SPDT Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings and I seal. The A4 and R2 termination options are functionally identical and fit the same PC mounting pattern. Terminal bend radii and lead-in manufacturing option. The switches, however, are shifted relative to the mounting holes. The PC pattern must clear the switch support legs. Unlike the R2, the A4 option is available with UL/CSA. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-37

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A A6 n RIGHT ANGLE, PC THRU-HOLE o t t u PC MOUNTING b h s u P 8121SD9A6GE SPDT The A6 and R termination options are functionally identical and fit the same PC mounting pattern, The switches, however, are shifted relative to the mounting holes. The PC pattern must clear the Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings and I seal. switch support legs. Unlike the R, the A6 option is available with UL/CSA. Terminal bend radii and lead-in manufacturing option. R RIGHT ANGLE WITH PCB PC MOUNTING 8121SD9RGE SPDT Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings, I seal option. R termination not UL/CSA approved. R2 RIGHT ANGLE WITH PCB, REVERSED TERMINALS PC MOUNTING 8121SD9R2GE SPDT Reversed terminals Not available with JXX actuators, D3, H, H9, Y3, Y4 bushings, I seal option. R2 termination not UL/CSA approved. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-38

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A AV2 VERTICAL RIGHT ANGLE, PC THRU-HOLE, .150” PITCH P u s h b u t t o n 8121SD9AV2GE SPDT AV3 AV1 VERTICAL RIGHT ANGLE, SNAP-IN,, VERTICAL RIGHT ANGLE, EXTENDED, PC THRU-HOLE, .150” PITCH PC THRU-HOLE, .150” PITCH PC MOUNTING Not available with JXX actuators and I seal. Terminal bend radii and lead-in manufacturing option. AV2 VERTICAL RIGHT ANGLE, PC THRU-HOLE, .150” PITCH 8221SD9AV2GE DPDT AV3 AV1 VERTICAL RIGHT ANGLE, SNAP-IN, VERTICAL RIGHT ANGLE, EXTENDED, PC THRU-HOLE, .150” PITCH PC THRU-HOLE, .150” PITCH PC MOUNTING .15 (3,8) Not available with JXX actuators and I seal. .33 TYP. Terminal bend radii and lead-in manufacturing option. (8,4) Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-39

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A AV2 n VERTICAL RIGHT ANGLE, PC THRU-HOLE, 150” PITCH o t t u b h s u P 8321SD9AV2GE 3PDT AV1 VERTICAL RIGHT ANGLE, EXTENDED, PC MOUNTING AV3 VERTICAL RIGHT ANGLE, SNAP-IN, PC THRU-HOLE, .150” PITCH PC THRU-HOLE, .150” PITCH .15 (3,8) .33 TYP. Not available with JXX actuators and I seal. (8,4) Terminal bend radii and lead-in manufacturing option. AV2 VERTICAL RIGHT ANGLE, PC THRU-HOLE, 150” PITCH 8421SD9AV2GE 4PDT AV1 VERTICAL RIGHT ANGLE, EXTENDED, PC MOUNTING AV3 PC THRU-HOLE, .150” PITCH VERTICAL RIGHT ANGLE, SNAP-IN, PC THRU-HOLE, .150” PITCH Not available with JXX actuators and I seal. Terminal bend radii and lead-in manufacturing option. V2, V6, V7, V8 VERTICAL MOUNT, V-BRACKET PC MOUNTING V61 VERTICAL MOUNT, V-BRACKET, SNAP-IN OPTION CODE DIM ‘A’ V2 .555 (14,10) V6, V61 .460 (11,68) V7 .630 (16,00) 8121SD3__GE SPDT V8 .953 (24,21) Not available with JXX actuators and I seal. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-40

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A V2, V6, V7, V8 VERTICAL MOUNT, V-BRACKET P V61 u VERTICAL MOUNT, V-BRACKET, SNAP-IN s h b PC MOUNTING u t t o n 8221SD3__GE DPDT OPTION CODE DIM ‘A’ V2 .555 (14,10) V6, V61 .460 (11,68) V7 .630 (16,00) Not available with JXX actuators and I seal. V8 .953 (24,21) V2, V7, V8 VERTICAL MOUNT, V-BRACKET PC MOUNTING 8321SD3__GE 3PDT OPTION CODE DIM ‘A’ V2 .555 (14,10) V7 .630 (16,00) V8 .953 (24,21) Not available with JXX actuators and I seal. V2, V7, V8 VERTICAL MOUNT, V-BRACKET PC MOUNTING 8421SD3__GE 4PDT OPTION CODE DIM ‘A’ Not available with JXX actuators and I seal. V2 .555 (14,10) V7 .630 (16,00) Third Angle V8 .953 (24,21) Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-41

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A V3, V4, V9 n VERTICAL MOUNT, V-BRACKET o V31 VERTICAL MOUNT, V-BRACKET, SNAP-IN t PC MOUNTING t u b h s u P 8121SD3__GE OPTION SPDT CODE DIM ‘A’ V3, V31 .460 (11,68) V4 .630 (16,00) V9 1.150 (29,21) Not available with J8X actuators and I seal. V3, V4, V9 VERTICAL MOUNT, V-BRACKET V31 VERTICAL MOUNT, V-BRACKET, SNAP-IN PC MOUNTING 8221SD3__GE OPTION DPDT CODE DIM ‘A’ V3, V31 .460 (11,68) V4 .630 (16,00) V9 1.150 (29,21) Not available with J8X actuators and I seal. V4, V9 VERTICAL MOUNT, V-BRACKET PC MOUNTING .630 (16,00) 8321SD3V4GE OPTION 3PDT CODE DIM ‘A’ V4 .630 (16,00) V9 1.150 (29,21) Not available with JXX actuators and I seal. Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change 29 Aug 18 www.ckswitches.com A-42

8020 Series Snap-acting Momentary Pushbutton Switches TERMINATIONS A V4, V9 VERTICAL MOUNT, V-BRACKET P u s h b u t PC MOUNTING t o n .630 (16,00) 8421SD3V4GE 4PDT OPTION CODE DIM ‘A’ V4 .630 (16,00) V9 1.150 (29,21) Not available with JXX actuators and I seal. CONTACT MATERIAL OPTION CONTACT TERMINAL CODE MATERIAL PLATING RATINGS B GOLD 1 GOLD 1 LOW LEVEL/DRY CIRCUIT 8x25 MODELS ONLY: 0.4 MAX. P MATTE-TIN 4 @ 20 V AC OR DC MAX. G GOLD 3 8X21, U8X1 MODELS ONLY: 0.4 VA MAX GOLD OVER SILVER 2,3 LOW LEVEL/DRY R MATTE-TIN 4 CIRCUIT OR POWER @ 20 V AC OR DC MAX. OR 1 AMP @ 120 V AC OR 28 V DC. * Note: See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications. 1 ALL CONTACTS & TERMINALS: Copper alloy, with gold plate over nickel plate. NOTE: Any models supplied with B, P, R or G contact material are RoHS compliant. 2 N.O. AND N.C. CONTACTS: Coin silver, with gold plate over nickel plate. U811-U841 models with all options (except R, R2 terminations) when ordered with 3 COMMON CONTACTS & ALL TERMINALS: Copper alloy, with gold plate mandatory G or R contact material. over nickel plate. B or P contact material must be ordered with 8X25 models. 4 TERMINALS: Copper alloy, with matte-tin over nickel plate. G or R contact material must be ordered with 8X21, U8X1 models. P or R contact material not available with Z, Z3 terminations. SEAL E I EPOXY SEAL EPOXY POTTED BASE NO. POLES DIM ‘A’ SP .410 (10,41) DP .440 (11,18) 3P .505 (12,83) 4P .505 (12,83) NOTE: Available with C, W-W4, Z, Z3 terminations only. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-43

8020 Series Snap-acting Momentary Pushbutton Switches AVAILABLE HARDWARE A Cap Cap Cap n o t t u b h s u P PART NO. PART NO. PART NO. 708901000 WHITE 752701000 WHITE 801801000 WHITE 708902000 BLACK 752702000 BLACK 801802000 BLACK 708903000 RED 752703000 RED 801803000 RED 708904000 ORANGE 752704000 ORANGE 801804000 ORANGE 708905000 YELLOW 752705000 YELLOW 801805000 YELLOW 708906000 GREEN 752706000 GREEN 801806000 GREEN 708907000 BLUE 752707000 BLUE 801807000 BLUE 708909000 GRAY 752709000 GRAY 801809000 GRAY Material: Nylon Material: Nylon Material: Nylon Finish: Gloss Finish: Gloss Finish: Gloss Cap, Snap-fitting plunger Cap, Snap-fitting plunger Cap, J80, J81, J82, J83 & J84 options only PART NO. PART NO. PART NO. PART NO. 452D01000 WHITE 894101000 WHITE 484601000 WHITE 798201000 WHITE 452D02000 BLACK 894102000 BLACK 484602000 BLACK 798202263 BLACK 452D03000 RED 894103000 RED 484603000 RED 798203000 RED 452D04000 ORANGE 894104000 ORANGE 484604000 ORANGE 798204000 ORANGE 452D05000 YELLOW 894105000 YELLOW 484605000 YELLOW 798205000 YELLOW 452D06000 GREEN 894106000 GREEN 484606000 GREEN 798206000 GREEN 452D07000 BLUE 894107000 BLUE 484607000 BLUE 798207000 BLUE 452D09000 GRAY 894109000 GRAY 484609000 GRAY 798209000 GRAY Material: Nylon Material: Nylon Material: Nylon Material: Nylon Finish: Gloss Finish: Gloss Finish: Gloss Finish: Matte Frame Frame Cap, J85 & J95 options only PART NO. 459701000 PART NO. PART NO. 459702000 615602263 BLACK 613302263 BLACK 459703000 459704000 Material: Nylon Material: Nylon 459705000 Finish: Matte Finish: Matte 459706000 459707000 459709000 Material: Nylon Finish: Matte Fits Z3 Termination female connector NOTE: Additional nuts, locking rings and lockwashers available separately, see section “Technical Data and Additional Hardware”. PART NO. Other cap & frame colors available, consult Customer Service Center. 530100000 Available in loose pieces. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-44

8020 Series Snap-acting Momentary Pushbutton Switches AVAILABLE HARDWARE A Frames snap into panel opening and are independent from switch mounting. Accurate positioning of the PC TYPICAL APPLICATION P mounted switch relative to the panel opening is necessary to provide proper clearance between actuator and u frame. Available in two basic styles and four panel thicknesses .047-.125 in. Material: Nylon. Finish: Matte. s h b u t t o .090” (2,29) PANEL THK. .125” (3,18) PANEL THK. n PART NO. PART NO. 432702263 432802263 BLACK Panel Inserts Above frames (part nos. 432XXXXXX) are also available with insert which accepts LED for indicator light assembly. Order insert separately from frame. Blank insert panel (without hole for LED) also available. LED not included. PANEL INSERT BLANK PANEL INSERT WITH HOLE FOR LED WITHOUT HOLE FOR LED PART NO. PART NO. 894902000 476602000 BLACK Special colors, custom markings available, consult Customer Service Center. LED INFORMATION SWITCHES WITH LED SUPPLIED: J85, J95 OPTIONS: Rectangular LEDs are supplied on 8020 Series pushbutton switches with J85 and J95 options. These LEDs are factory installed and are not replaceable. The following specifications apply: MAX RATINGS AT 25ºC AMBIENT TEMPERATURE TYP. TYP. OPTION TYP. FORWARD FORWARD FORWARD CONTINUOUS POWER Flat denotes .025 SQ. CODE COLOR INTENSITY VOLTAGE CURRENT VOLTAGE FORWARD CURRENT DISSIPATION cathode. .200 DIA. TYP. (0,63) (5,08˘) 6 Green 1.0 mcd 20 mA 50 mA 125 mW 3 Red* 0.5 mcd 2.1 V 10 mA 2.5 V 30 mA 75 mW .030 5 Yellow 4.0 mcd 20 mA 50 mA 125 mW .230 DIA. (0,76) (5,84˘) .340 .750 Process Information: Soldering to LED leads must be completed within 5 seconds at (8,64) (19,05) 500ºF (260ºC) maximum. Suggested LED for J82 & J84 options. Caution: Circuit elements must limit forward current of LED to 50mA max. continuous. Dimensions for reference only. * Extra-bright red LED available (typ. intensity 4.5 mcd), consult Customer Service Center. LEDs are not supplied with J82, J84 options. LED snaps into switch frame surrounding actuator and is wired externally. Third Angle Projection Dimensions are shown: Inches (mm) 29 Aug 18 Specifications and dimensions subject to change www.ckswitches.com A-45