Series KB Miniature Pushbuttons s e ggl General Specifications o T s er Electrical Capacity (Resistive Load) k c o Power Level (silver): 1A @ 125/250V AC or 1A @ 30V DC R Logic Level (gold): 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) s Note: Find additional explanation of operating range in Supplement section. n o utt hb Other Ratings s u P Contact Resistance: 50 milliohms maximum B Insulation Resistance: 1,000 megohms minimum @ 500V DC P d Dielectric Strength: For Silver: 1,000V AC minimum between contacts for 1 minute minimum & e natD 1,500V AC minimum between contacts & case for 1 minute minimum; umi For Gold: 750V AC minimum between contacts for 1 minute minimum & Ill 1,500V AC minimum between contacts & case for 1 minute minimum e bl Mechanical Life: 100,000 operations minimum a m m Electrical Life: 50,000 operations minimum for silver; 100,000 operations minimum for gold a gr Nominal Operating Force: Single pole 0.98 ~ 2.45N for maintained & 0.98 ~ 1.96N for momentary; o Pr Double pole 1.47 ~ 3.43N for maintained & 1.47 ~ 2.94N for momentary Contact Timing: Nonshorting (break-before-make) s ck Travel: Pretravel .087” (2.2mm); Overtravel .031” (0.8mm); Total Travel .118” (3.0mm) o yl e K Materials & Finishes Housing: Polyamide (UL94V-0) es Movable Contactor: Silver for power circuit; copper with gold plating for logic level circuit ari Stationary Contacts: Silver for power circuit; copper with gold plating for logic level circuit ot R Housing Base: Polyamide (UL94V-0) Terminal Base: Polyester Common Terminals: Phosphor bronze with silver flash plating for power circuit; s de Phosphor bronze with gold flash plating for logic level circuit Sli End Terminals: Brass with silver flash plating for power circuit; Brass with gold flash plating for logic level circuit Lamp Terminals: Phosphor bronze with nickel flash plating s e actil Environmental Data T Operating Temperature Range: –25°C through +50°C (–13°F through +122°F) for Illuminated –25°C through +70°C (–13°F through +158°F) for Nonilluminated Humidity: 90 ~ 95% humidity for 96 hours @ 40°C (104°F) Tilt Vibration: 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute; 3 right angled directions for 2 hours Shock: 50G (490m/s2) acceleration (tested in 6 right angled directions, with 3 shocks in each direction) h uc Installation o T Mounting Torque: 0.78Nm (6.9 lb•in) maximum Cap Installation Force: 4.51N (1.0 lbf) maximum downward force on cap s Soldering Time & Temperature: Manual Soldering: See Profile A in Supplement section. or at c di Standards & Certifications n I Flammability Standards: UL94V-0 housing & housing base s UL: File No. E44145 - Recognized only when ordered with marking on switch. e ori Add “/U” or “/CUL” before first dash in part number to order UL recognized switch. s es Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V DC. c c A CSA: File No. 023535_0_000 - Certified only when ordered with marking on switch. Add “/C” before first dash in part number to order CSA certified switch. nt e Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V DC. m e pl p u S D22 www.nkkswitches.com

Series KB Miniature Pushbuttons s e Distinctive Characteristics ggl o T s er k Bright illumination with numerous color variations. Spot illumination available. oc R Square, rectangular, and round shaped caps. s n o utt Front panel relamping. b h s u P B P Choice of bright or super bright LEDs in red, amber, green, d e white, and blue. D at n mi u Ill e Latchdown feature gives indication of circuit status. Audible bl a m and tactile feedback with smooth and responsive operation. m a gr o Pr Snap-action mechanism for long life. s k c o yl e K Stainless steel frame on snap-in models has a specially designed projection, which prevents rotation and correctly s orients switch in panel. e ari ot R 12mm body diameter. s e d Molded-in terminals lock out flux, dust, and other contaminants. Sli s 8mm panel thickness capability. Rear panel bushing or ctile snap-in mounting. Ta Optional PCB adaptors in straight and right angle types. Tilt Matching indicators available. Actual Size h c u o T s or at c di n I s e ori s s e c c A nt e m e pl p u S www.nkkswitches.com D23

Series KB Miniature Pushbuttons s e gl TYPICAL SWITCH ORDERING EXAMPLE g o T ers KB 1 5 C K W01 k c o R s n o utt b h s u P Poles Shapes Housing Barrier Type B ed P 1 SPDT Bushing Mounting K Black only No No Barrier natD 2 DPDT S Square Code mi B With Barrier Illu C Round ble R Rectangular a amm Circuits Snap-in Mounting Contacts & Terminals Progr 5 ON (ON) K Square W01 SSiolvldeer rC Loungt aTectrsm ainnadl s M Round ( ) = Momentary 1A @ 125/250V AC s ock 6 ON ON N Rectangular Gold Contacts and eyl G01 Solder Lug Terminals K Alternate Action 0.4VA @ 28V AC/DC with Latchdown s e ari ot R IMPORTANT: Switches are supplied without UL, cULus & CSA marking unless specified. s de UL, cULus & CSA recognized only when ordered with marking on the switch. Sli Specific models, ratings, & ordering instructions are noted on the General Specifications page. s e ctil a T DESCRIPTION FOR TYPICAL ORDERING EXAMPLE Tilt KB15CKW01-12-FF h c ou 12-volt Incandescent Lamp Solid Cap with T Green Lens and Green Filter Round with Bushing Mounting s or at ndic SPDT Black Housing I ON-(ON) Circuit s e ori Silver Contacts and s s e Solder Lug Terminals; c c A Rated 1A @ 125/250V AC nt e m e pl p u S D24 www.nkkswitches.com

Series KB Miniature Pushbuttons s e TYPICAL SWITCH ORDERING EXAMPLE gl g o T 12 FF ers k c o R s n o utt b h s u Lamps Cap Types & Colors P B P d e Incandescent Lamp Used with Solid Cap Solid Cap: Lens/Filter Colors D at n mi 05 5-volt Black/None (Nonilluminated Only. u A Available in Square and Round Only.) Ill 12 12-volt e bl BB White/White FB Green/White a No Code Nonilluminated m m CB Red/White FF Green/Green a gr o CC Red/Red GB Blue/White Pr EB Yellow/White GG Blue/Blue s k c o yl e K Incandescent or Neon Used with Insert Cap Insert Cap: Lens/Filter Colors s e 05 5-volt JB Clear/White ari ot 12 12-volt JC Clear/Red R 01 110-volt Neon JE Clear/Yellow No Code Nonilluminated *JF Clear/Green es d *JG Clear/Blue Sli * JF & JG not suitable with neon. s e ctil a T Bright LED Used with Cap for LED LED Cap: Lens/Diffuser Colors Colors Resistor Square Spot Illuminated 5C Red No Code No Resistor AB Black Cap/White Window Tilt JB Clear/White 05 5-volt 5D Amber JC Clear/Red 12 12-volt h 5F Green 24 24-volt JD Clear/Amber uc o T JF Clear/Green s or at c di Super Bright LED Used with Cap for LED LED Cap: Lens/Diffuser Colors n I 6B White JB Clear/White s e 6F Green ori s s 6G Blue ce c A nt e m e pl p u S www.nkkswitches.com D25

Series KB Miniature Pushbuttons s e gl POLES & CIRCUITS g o T Plunger Position ( ) = Momentary Connected Terminals Throw & Switch/Lamp Schematics s er Normal Down Normal Down Notes: Switch is marked with “+” and “–”. k oc Pole Model Lamp circuit is isolated and requires R external power source. ns KB15 ON (ON) 2 (COM) o SP 2-3 2-1 SPDT L (+) (-) L utt *KB16 ON ON 3 1 b h s Pu KB25 ON (ON) 2 (COM) 5 DP 2-3 5-6 2-1 5-4 DPDT L (+) (-) L B *KB26 ON ON P 3 1 6 4 d e atD * When in latchdown position for the alternate circuit, cap position is .055” (1.4mm) above the built-in bezel. n mi u Ill MOUNTING TYPES & SHAPES e bl ma Bushing Mounting m a gr S .551” (14.0mm) C .551” (14.0mm) R .551” x .728” (14.0mm x 18.5mm) o Pr Square Round Rectangular s k c o yl e K s e ari ot No barrier With barrier No barrier With barrier R Bezel or barrier is an integral part of the switch body. One mounting nut AT057 supplied with each switch. s e d Snap-in Mounting Sli K .551” (14.0mm) M .551” (14.0mm) N .551” x .728” (14.0mm x 18.5mm) Square Round Rectangular s e ctil a T Tilt No barrier With barrier No barrier With barrier Bezel or barrier is an integral part of the switch body. h c u Panel Cutouts o T Bushing Mounting Snap-in Mounting (1.2) R .047 s or Panel Thickness: (4.9) Panel Thickness: at Without .193 With c .020” ~ .315” .039” ~ .138” di Keyway Keyway In (.1428.43) Dia (0.5 ~ 8.0mm) (.1428.43) Dia (1.0 ~ 3.5mm) (6.8) (.1428.43) Dia .268 s e ori Panel thicknesses, when using optional accessories, are shown with the accessories at the end of this KB section. s s e c Ac HOUSING nt me K e Housing available in black only. Bezel or barrier is an integral part of the switch body. pl p u S D26 www.nkkswitches.com

Series KB Miniature Pushbuttons s e CONTACT MATERIALS, RATINGS & TERMINALS gl g o T Power Level W 01 Silver Contacts 1A @ 125V AC & 250V AC Solder Lug (5.0) .197 s (2.0) er G Logic Level .079 .(017.81) ock Gold Contacts 0.4VA maximum @ 28V AC/DC (1.0) R .039 Thk = (0.2) Com = (0.1) Complete explanation of operating range in Supplement section. .008 .005 s n o utt AT055 Crossover Guard hb A partitioned plastic guard is supplied with each switch to provide insulation between terminals. (.1428.84) Dia ( 1.545.01) Dia Pus B P Installation steps: (17.0) d .669 e D at 1. Identify wire-to-terminal connections. 3. Solder the connections. n mi 2. Thread wires through the guard. 4. Push the guard fully onto the switch body. u Ill e BARRIER TYPE abl m m a gr No Code No Barrier B With Barrier Pro Built-in bezel Built-in barrier only available for Square and Rectangular s k c o yl LAMP COLORS & SPECIFICATIONS Ke The electrical specifications shown are determined at a basic temperature of 25°C. s LED circuit is isolated and requires external power source. Polarity marks are on the bottom of the switch. arie If the source voltage exceeds the rated voltage, a ballast resistor is required. ot The resistor value can be calculated by using the formula in the Supplement section. R Ambient Temperature Range for lamps below: –25°C ~ +50°C. Incandescent & Neon Lamps es d Sli AT611 AT615 05 12 01 Incandescent Neon Recommended Resistors Voltage V 5V AC 12V AC 110V AC for Neon: es 33K ohms for 110V AC; ctil Current I 115mA 60mA 1.5mA 100K ohms for 220V AC a T T-1 Bi-pin Endurance Hours 7,000 average 10,000 No Code No Lamp Tilt Bright LED with Resistor AT634 Red Amber Green Resistor Codes ch u o T LEDs are colored Color Codes: 5C 5D 5F 05 12 24 in OFF state. s Maximum Forward Current I — — — or FM at Typical Forward Current IF 25mA 20mA 10mA ndic I Forward Voltage V 5V 12V 24V F s Maximum Reverse Voltage V 4V 8V 16V e RM ori T-11⁄4 Bi-pin Current Reduction Rate Above 25°C ∆I — — — ess F c c A AT634 AT634 AT634 5-volt 12-volt 24-volt (+) nt 2-element (+) (-) 4-element (+) (-) 4-element me (-) e with 1 Resistor with 2 Resistors with 2 Resistors pl p u S www.nkkswitches.com D27

Series KB Miniature Pushbuttons s e gl LAMP COLORS & SPECIFICATIONS g o T Bright LED without Resistor Red Amber Green AT635 No Code No Resistor s er 5C 5D 5F ck Color Codes Red Amber Green o LEDs are colored R in OFF state. Maximum Forward Current I 30mA 30mA 30mA FM ns Typical Forward Current I 20mA 20mA 20mA o F hbutt Forward Voltage VF 1.9V 2.0V 2.1V s Pu Maximum Reverse Voltage V 5V 5V 5V RM (+) (-) PB Current Reduction Rate Above 25°C ∆I 0.42mA/°C d F e atD T-11⁄2 Bi-pin Ambient Temperature Range –25° ~ +50°C n mi u Super Bright Single Element LED Ill e bl AT625G Blue ATTENTION 6B 6F 6G ma ELECTROSTATIC m SENSITIVE DEVICES gra AT631B White Color White Green Blue Pro Maximum Forward Current IFM 30mA 30mA 30mA AT632F Green Typical Forward Current I 20mA 20mA 20mA ks F c o Forward Voltage V 3.3V 3.3V 3.3V yl F e K Maximum Reverse Voltage V 7V 7V 7V RM (+) (-) Current Reduction Rate Above 25°C ∆I 0.40mA/°C 0.40mA/°C 0.40mA/°C F s e ari T-1 Bi-pin Ambient Temperature Range –25° ~ +50°C ot R CAP TYPES & COLOR COMBINATIONS s Color Codes: A Black B White C Red E Yellow F Green G Blue J Clear e d Sli Solid Cap for Incandescent Lamp & Nonilluminated Lens/Filter Colors Available: es Nonilluminated Only; ctil A Square & Round Only AT486 a T Round AT485 AT4021 Translucent Colored Lens BB FB Square Rectangular (11.6) Dia .457 Tilt CB FF (.1415.67) Sq (.417.57) (.1415.67) (.1663.41) (.417.57) .(264.24) (.417.57) Translucent Colored Filter CC GB .(264.24) .(264.38) h c ou EB GG T Material: Polycarbonate Finish: Glossy Lamp AT611 Insert Cap for Incandescent or Neon Lamp & Nonilluminated s or at Lens/Filter Colors Available: dic AT488 In AT487 Round AT4022 Transparent Clear Lens JB JF Square Rectangular s e (11.6) Dia essori JC JG (.1415.67) Sq .457 (.417.57) (.1415.67) (.1663.41) Translucent Colored Filter Acc (.417.57) .(264.24) (.417.57) JE (6.2) (6.3) nt .244 .248 e m JF and JG not suitable e pl with neon lamp. Material: Polycarbonate Finish: Glossy Lamp AT611 Lamp AT615 p u S D28 www.nkkswitches.com

Series KB Miniature Pushbuttons s e CAP TYPES & COLOR COMBINATIONS gl g o T Color Codes: A Black B White C Red D Amber E Yellow F Green G Blue J Clear Spot Illuminated Cap for Bright LED without Resistor or with Resistor ers k c o R Cap/Window Colors Available: (3.0) Opaque Black Cap with .118 (11.6) Sq ns AB Translucent White Window AT4051 (5.(.010.78)1) .457 (.418.61) butto for Spot Illumination Square .197 (6.2) sh .244 Pu B P d e D at n Bright LED Bright LED mi Material: Polycarbonate Finish: Matte AT635 AT634 Illu e bl a m Cap for Bright LED without Resistor or LED with Resistor m a gr o Lens/Diffuser Colors Available: (AT4133, 4132, 4134 white diffusers; AT4158, 4160, 4159 colored diffusers) Pr s k c o JB AT4133 AT4132 AT4134 eyl K Transparent Clear Lens Square Round Rectangular s e ari ot R JC AT4158 AT4160 AT4159 s JD (.1415.67) Sq (.1415.67) Dia (.1415.67) (.1663.41) Translucent Diffuser Slide JF (.417.57) (.417.57) (.417.57) (6.2) (6.2) (6.3) .244 .244 .248 s e ctil a T Bright LED Bright LED Material: Polycarbonate Finish: Glossy AT635 AT634 Tilt Cap for Super Bright LED Lens/Diffuser Colors Available: ch u o T AT4133 AT4132 AT4134 Translucent Clear Lens JB Square Round Rectangular s or at c di n I (11.6) Sq (11.6) Dia (11.6) (16.1) Translucent White Diffuser .457 .457 .457 .634 s (.417.57) (.417.57) (.417.57) orie (6.2) (6.2) (6.3) ss .244 .244 .248 ce c A Super Bright LEDs nt AT625 me e Material: Polycarbonate Finish: Glossy AT631 AT632 pl p u S www.nkkswitches.com D29

Series KB Miniature Pushbuttons s e gl TYPICAL SWITCH DIMENSIONS g o T Square • Bushing Mount Single & Double Pole s er k c o R (.519.07) M12 P1 .(013.09) xx (.20.709) Typ . 0(17.81) Keyway ns (0.2) Typ (.127) butto .008 (.419.93) 65 23 .005 ush (1.8) Typ COM L 4 1 L P .071 (5.08) .200 B P d (11.6) Sq (1.4) (14.2) (1.0) (1.7) Typ nateD .45(714.0) Sq .(035.55) (5.3) .559(24.7) .039 (5.0) (9.0) .067 mi .551 .138 .209 .972 .197 .354 Illu Latchdown Position e bl a m m a ogr KB15SKW01-05-GG Single pole models do not have terminals 4, 5, & 6. Pr Round • Bushing Mount Single & Double Pole s k c o yl e K es (.519.07) M12 P1 .(013.09) xx (.20.709) Typ .(017.81) Keyway ari (0.2) Typ (.127) Rot .008 (.419.93) 65 23 .005 COM L L (1.8) Typ 4 1 .071 (5.08) .200 s e d Sli (11.6) Dia (1.4) (14.2) (1.0) (1.7) Typ .457 .055 .559 .039 .067 (14.0) Dia (3.5) (5.3) (24.7) (5.0) (9.0) .551 .138 .209 .972 .197 .354 Latchdown Position s e ctil a T KB25CKW01-05-GG Single pole models do not have terminals 4, 5, & 6. Tilt Rectangular • Bushing Mount Single & Double Pole h c Tou (.519.07) M12 P1 .(013.09) xx (.20.709) Typ .(017.81) Keyway (0.2) Typ (.127) (11.6) .008 (4.9) 6 3 .005 s .457 .193 5 2 ator (.1545.10) (1.8) Typ COM L 4 1 L dic .071 ( 5.2.0080) n I (16.1) (1.4) (14.2) (1.0) (1.7) Typ s .634 .055 .559 .039 .067 orie (.1782.85) (.313.58) .(250.39) (2.947.27) (.519.07) .(395.04) ss Latchdown Position e c c A nt e m e KB15RKW01-05-GG Single pole models do not have terminals 4, 5, & 6. pl p u S D30 www.nkkswitches.com

Series KB Miniature Pushbuttons s e TYPICAL SWITCH DIMENSIONS gl g o T Single & Double Pole Square • Snap-in Mount s er k c o R (1.0) x (2.0) Typ (1.8) Keyway .039 x .079 .071 (0.2) Typ (.127) ns .008 (.419.93) 65 23 .005 butto (2.3) (1.8) Typ COM L 4 1 L ush .090 .071 (5.08) P .200 B P (11.6) Sq (1.4) (1.0) (1.7) Typ d .45(714.0) Sq (.30.555) (5.3) (24.7) .039 (5.0) (9.0) .067 D nate .551 .138 .209 .972 .197 .354 mi Latchdown Position Illu e bl a m m a Single pole models do not have terminals 4, 5, & 6. KB16KKW01-05-CB ogr Pr Single & Double Pole Round • Snap-in Mount s k c o yl e K .(013.09) xx (.20.709) Typ .(017.81) Keyway es (0.2) Typ (.127) ari .008 (.419.93) 6 3 .005 Rot 5 2 COM L L .(029.30) .(017.81) Typ 4 1 ( 5.2.0080) s e d (11.6) Dia (1.4) (1.0) (1.7) Typ Sli .457 .055 .039 .067 (14.0) Dia (3.5) (5.3) (24.7) (5.0) (9.0) .551 .138 .209 .972 .197 .354 Latchdown Position s e ctil a T Single pole models do not have terminals 4, 5, & 6. KB26MKW01-05-CB Single & Double Pole Rectangular • Snap-in Mount Tilt h c u .(013.09) xx (.20.709) Typ .(01.781) Keyway To (0.2) Typ .008 (.127) (11.6) (4.9) 6 3 .005 (.1545.10.)457 (1.8) Typ .193COM L 45 21 L ators .071 ( 5.2.0080) dic n I (16.1) (1.4) (1.0) (1.7) Typ .634 .055 .039 .067 s (.1782.85) (.313.58) .(250.39) (2.947.27) (.519.07) .(395.04) orie Latchdown Position ss e c c A nt e m Single pole models do not have terminals 4, 5, & 6. KB16NKW01-05-CB e pl p u S www.nkkswitches.com D31

Series KB Miniature Pushbuttons s e gl TYPICAL SWITCH DIMENSIONS g o T Square • Barrier • Bushing Mount Single & Double Pole s cker (.519.07) M12 P1 .(013.09) xx (.20.709) Typ .(017.81) Keyway o R (0.2) Typ (.127) .008 .005 (4.9) 6 3 .193 5 2 ns COM L L utto .(017.81) Typ 4 1 (5.08) b .200 h s u P (11.6) Sq (5.3) (14.2) (1.0) (1.7) Typ .457 .209 .559 .039 .067 PB (14.0) Sq (8.8) (24.7) (5.0) (9.0) d .551 .346 .972 .197 .354 e atD n mi u KB15SKW01B-6G-JB Single pole models do not have terminals 4, 5, & 6. Ill e bl Square • Barrier • Snap-in Mount Single & Double Pole a m m a gr Pro . 0(13.09) xx (.20.709) Typ .(017.81) Keyway (0.2) Typ (.127) ylocks .008 (.419.93)COM L 65 23 L .005 e (1.8) Typ 4 1 K .071 (5.08) .200 es (.1415.67) Sq .(250.39) .(013.09) .(016.77) Typ otari ( 1.545.01) Sq .(384.86) (.2947.27) (.519.07) .(395.04) R KB15KKW01B-5C-JC Single pole models do not have terminals 4, 5, & 6. s e Rectangular • Barrier • Bushing Mount Single & Double Pole d Sli (5.0) M12 P1 (1.0) x (2.0) Typ (1.8) Keyway .197 .039 x .079 .071 (0.2) Typ (.127) ctiles (.1415.67) .008 (.419.93) 65 23 .005 Ta (14.0) COM L L .551 (1.8) Typ 4 1 .071 (5.08) .200 (16.1) (5.3) (14.2) (1.0) (1.7) Typ Tilt .634 (18.5) (8..280)9 .559 (24.7) .039 (5.0) (9.0) .067 .728 .346 .972 .197 .354 KB15RKW01B-5F-JF Single pole models do not have terminals 4, 5, & 6. h c u To Rectangular • Barrier • Snap-in Mount Single & Double Pole ators . 0(13.09) xx (.20.709) Typ .(01.781) Keyway Indic (.1415.67) (.00.028) Typ (.419.93) 65 23 (..010257) (14.0) COM L L ories .551 (.10.781) Typ 4 1 ( 5.2.0080) s s e Acc (.1663.14) .(250.39) .(013.09) .(016.77) Typ (18.5) (8.8) (24.7) (5.0) (9.0) .728 .346 .972 .197 .354 nt e m e pl KB15NKW01B-5D-JD Single pole models do not have terminals 4, 5, & 6. p u S D32 www.nkkswitches.com

Series KB Miniature Pushbuttons s e OPTIONAL ACCESSORIES gl g o T PCB Adaptors s AT701 AT702 er k Single Pole Double Pole oc R Straight PC Straight PC Terminals Terminals s n o utt b h s u P Switch (2.8) (0.3) (0.2) Typ Switch (2.8) (0.3) (0.2) Typ B Depth .110 .012 Keyway .008 (2.54) Typ Depth .110 .012 Keyway .008 (2.54) Typ ed P .100 .100 D at n 6 NC 3 6 NC 3 mi (.1427.20) Dia +45 CNOOM 21 - (.1427.20) Dia +45 CNOOM 21 - Illu (.00.264) Typ .(000.28) Typ (.00.264) Typ .(000.28) Typ able (2.54) Typ (2.54) Typ m .100 .100 m (9.8) (3.1) (10.16) (9.8) (3.1) (10.16) a .386 .122 .400 .386 .122 .400 gr o Pr ( 2.1.0504) Typ (2.54) Typ ( 2.1.0504) Typ (2.54) Typ cks 3 NC .100 3 NC 6 .100 ylo 2COM 2COM 5 Ke 1NO 1NO 4 (0.8) Dia Typ (0.8) Dia Typ (10.16) .031 (10.16) .031 .400 .400 s e ari Material: Glass fiber reinforced polyamide Note: Order adaptors separately Rot Dust Covers s e d Panel Thickness Range: .020 ~ .268” (0.5 ~ 6.8mm) for Bushing Mounting; .020 ~ .079” (0.5 ~ 2.0mm) for Snap-in Mounting Sli Dust Covers reduce the depth of switch behind panel by .047” (1.2mm). s e AT495 AT4025 ctil a T For Square & Round For Rectangular (not for Barrier type) (not for Barrier type) Tilt h c u o T Assembled (7.0) (1.2) R Assembled (1.2) R Cap Height .276 .047 Cap Height .047 s or at (12.3) Dia (12.3) Dia c (13.0) Sq .484 (13.0) Sq .484 di .512 (.52.011) .512 (.2812.70) In s e (6.5) (1.6) (6.5) (7.0) sori .256 .063 .256 .276 es (11.8) (21.0) Sq (11.8) (25.4) cc .465 .827 .465 1.004 A nt e m Material: Lid: PVC PVC loses pliability below 0°C (32°F). Base: Polyamide e pl p u S www.nkkswitches.com D33

Series KB Miniature Pushbuttons s e gl OPTIONAL ACCESSORIES g o T Protective Guards ers AT494 AT4024 ck For Square & Round For Rectangular o R (not for Barrier type) (not for Barrier type) Panel Thickness ns Range: o utt hb .020” ~ .268” s Pu (0.5 ~ 6.8mm) PB ACasspe Hmebiglehdt .(277.06) .(014.27) R ACasspe Hmebiglehdt .(277.06) .(014.27) R for Bushing Mounting d e natD (9.0) (9.0) .020” ~ .091” mi .354 .354 (0.5 ~ 2.3mm) u (12.3) Dia (12.3) Dia Ill (.52.011) .484 .484 (19.0) for Snap-in Mounting ble .748 a m am (6.5) (1.6) (6.5) Protective Guards reduce Progr (.1415..532)56 (.1794.80) Sq.063 (.1415..532)56 (.2932.55) thbee dhienpdth p oafn sewl bitych .047” (1.2mm). s k oc Material: Cover: Polycarbonate Base: Polyamide yl e K ASSEMBLY INSTRUCTIONS s e ari Cap Removal & Installation LED Polarity & Orientation in Lamp Socket Cap Replacement ot R For alternate action models Note that the cap has a pair of Super Bright LEDs AT625, cap must be in UP position ATTENTION round tabs and a pair of long tabs AT631, & AT632 are ELECTROSTATIC s for cap removal. Indentations electrostatic sensitive. SENSITIVE DEVICES which should be used for correctly de on opposite sides of the cap replacing the cap in its holder. Sli provide an easy way to lift Using the long tabs as guides, slide LEDs the cap out of the holder, the cap with the long tabs moving AT625 using either the finger nails, into the slots on opposite sides of LED LED AT631 es or cap extractor AT109. AT635 AT634 AT632 the cap holder. Then, the round ctil tabs will snap into notches on the a T other two sides of the holder. Flat Flat (-) (+) (-) (+) Fla(t+) Cap (-) Tilt Indentation Long Tab Round Tab (+) Marking Slot Notch Positive Lamp Socket h Top c View of ou Switch T Negative Lamp Socket s or at c di n I AT108 Socket Wrench AT109 Cap Extractor AT111 Lamping Tool s for Bushing Mounting e ori s s e c Overtightening the c A mounting nut nt may damage the me switch housing. e pl p u S D34 www.nkkswitches.com

Series KB Miniature Pushbuttons s e LEGENDS gl g o T NKK Switches can provide custom legends for caps. Contact factory for more information. s er k c Suggested Printable Area for KB Lens o R Recommended Methods: Screen Print or Pad Print on Lens. ns o Epoxy based ink is recommended. utt b h s u P B START (1.03.9078) (.1415.67) D nated P mi ( 1.309.078) Sq (.00.3706) Typ ( 1 0.3.0987) Dia (.00.3706) Typ (.00.3706)Typ (1.45.7548) (.00.3706) Typ Illu (11.6) Sq (11.6) Dia (16.1) ble .457 .457 .634 a m m a Shaded areas are printable areas. ogr Pr s Suggested Printable Area for Film Insert ck o yl Lens Ke Recommended Print Method: Laser Print Film Insert: Clear Polyester, 4 mil max. thickness es ari Film ot Insert R O N (8.48) (10.0) .334 .394 Filter or Diffuser es d (8.48) Sq (0.76) Typ (8.48) Dia (0.76) Typ (0.76) Typ (12.98) (0.76) Typ Sli .334 .030 .334 .030 .030 .511 .030 Cap (10.0) Sq (10.0) Dia (14.5) Base .394 .394 .571 s e ctil a T Shaded areas are printable areas. Tilt h c u o T s or at c di n I s e ori s s e c c A nt e m e pl p u S www.nkkswitches.com D35