Series YB Short Body Pushbuttons s e gl General Specifications g o T s ker Electrical Capacity (Resistive Load) c o R Power Level (silver): 3A @ 125V AC or 3A @ 250V AC or 3A @ 30V DC Logic Level (gold): 0.4VA maximum @ 28V AC/DC maximum s (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) n o utt Note: Find additional explanation of operating range in Supplement section. b h s u P Other Ratings B P Contact Resistance: 50 milliohms maximum for silver; 100 milliohms maximum for gold d ateD Insulation Resistance: 200 megohms minimum @ 500V DC min Dielectric Strength: 1,000V AC minimum between contacts for 1 minute minimum; Illu 1,500V AC minimum between contacts & case for 1 minute minimum e Mechanical Life: 1,000,000 operations minimum for momentary circuit bl a 200,000 operations minimum for maintained circuit m m Electrical Life: 100,000 operations minimum a ogr Nominal Operating Force: Single pole: 1.47N for nonsealed; 1.67N for sealed Pr Double pole: 2.75N for nonsealed; 2.94N for sealed Contact Timing: Nonshorting (break-before-make) s k oc Travel: Pretravel .059” (1.5mm); Overtravel .059” (1.5mm); Total Travel .118” (3.0mm) yl e K Materials & Finishes Housing/Bezel: Glass fiber reinforced polyamide (UL94V-0) s e ari Snap-in Frame: Stainless steel ot Base: Glass fiber reinforced polyamide (UL94V-0) R Movable Contactor: Phosphor bronze with silver or gold plating Movable Contacts: Silver alloy with silver plating or brass with gold plating s Stationary Contacts: Silver alloy or copper with gold plating e d Sli Switch Terminals: Phosphor bronze with tin plating Lamp Terminals: Phosphor bronze with tin plating s Environmental Data e ctil Operating Temperature Range: –25°C through +50°C (–13°F through +122°F) for Illuminated a T –25°C through +70°C (–13°F through +158°F) for Nonilluminated Humidity: 90 ~ 95% humidity for 96 hours @ 40°C (104°F) Vibration: 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning Tilt in 1 minute; 3 right angled directions for 2 hours Shock: 50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) Sealing: IP65 of IEC60529 standard for panel seal models h c Installation u o T Mounting Torque: 0.785Nm (6.95 lb•in) maximum Quick Connect Force: 24.5N maximum downward force on connector Soldering Time & Temperature: Manual Soldering: See Profile A in Supplement section. s or at c di Standards & Certifications n I Flammability Standards: UL94V-0 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 s e All solder lug models recognized at 3A @ 125/250V AC or 0.4VA @ 28V AC/DC maximum. 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 All solder lug models certified at 3A @ 125/250V AC or 0.4VA @ 28V AC/DC maximum. m e pl p u S D104 www.nkkswitches.com 7/27/17

Series YB Short Body Pushbuttons s e Distinctive Characteristics gl g o T s er Full face or spot illumination with incandescent lamps or multi-element LEDs, k c o with or without resistors. R s n Choice of super bright LEDs in white, green, and blue as well as bright LEDs utto b in red, amber, and green. h s u P B P Combination bezel-barrier is an integral part of the switch and d e prevents accidental actuation. D at n mi u Ill Unique thermoplastic elastomer seal inside caps plus e bl a rolled sleeve of nitrile butadiene rubber at joining of m m housing and inner case, all for added protection to gra o interior mechanism. Pr s k c Dust and oil tight as well as splashproof panel seal ylo e models qualify to IP65 of IEC60529 Standards (similar K to NEMA 4 and 13). Panel seal models provided with exterior o-ring. s e ari ot R Distinctive design of snap-action contacts for shock resistance, long life, and sensitive actuation. s e d Sli High density design to give behind panel depth of less than one inch. s e ctil Terminals are epoxy sealed to lock out flux, dust, solvents, and other a T contaminants. Latchdown for indication of circuit status, plus audible, tactile feedback Tilt with smooth, responsive operation. Matching indicators available. Actual Size ch 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 D105

Series YB Short Body Pushbuttons s e gl TYPICAL SWITCH ORDERING EXAMPLE g o T ers YB 1 5 C K W 01 k c o R s n o utt b Poles Panel Seal Housing Terminals h s u P 1 SPDT No K Black only Solder Lug/.110” Without Panel Seal 01 B Code (2.8mm) Quick Connect P 2 DPDT d e With Panel Seal 03 Straight PC atD W n (Bushing Mount only) mi u Ill e bl a m Circuits Shapes Contact Materials m gra 5 ON (ON) Bushing Mounting & Ratings o Pr Silver Rated ( ) = Momentary S Square W 3A @ 125V AC ks 6 ON ON C Round oc Gold Rated 0.4VA max. eyl Alternate Action R Rectangular G @ 28V AC/DC max. K with Latchdown Snap-in Mounting K Square s e ari M Round ot R N Rectangular s e d Sli IMPORTANT: Switches are supplied without UL & cULus marking unless specified. UL & cULus recognized only when ordered with marking on switch. s actile SGpeenceifiracl mSpoedceilfis,c aratitoinngs sp, a&g eo.rdering instructions are noted on the T Tilt DESCRIPTION FOR TYPICAL ORDERING EXAMPLE YB15CKW01-6F-JB h c u o T Green, Super Bright LED Led Cap with Clear Lens ors and White Insert at Round with Bushing Mounting c di Without Panel Seal n I Black Housing es Silver Contacts with ori SPDT ON-(ON) Circuit 3 Amp Rating s es c Ac Solder Lug/.110” (2.8mm) Quick Connect Terminals nt e m e pl p u S D106 www.nkkswitches.com

Series YB Short Body Pushbuttons s e TYPICAL SWITCH ORDERING EXAMPLE gl g o T 6 F JB ers k c o R s n o utt Lamps Cap Types & Colors b h s u P B Incandescent Lamp Solid Cap: Lens/Insert Colors P d e 05 5-volt BB White/White D at n mi 12 12-volt CB Red/White u Ill No EB Yellow/White e Nonilluminated bl Code FB Green/White ma m a GB Blue/White gr o Pr s LED for Spot Illuminated Cap Spot Illuminated Cap: Lens/Insert Colors ck o LED Colors Forward Voltage JA Clear/Black eyl K 1C Red 2-volt JB Clear/White 02 (no resistor) 1D Amber JC Clear/Red es 1F Green 05 5-volt JE Clear/Yellow otari 12 12-volt R JF Clear/Green 1CF Red/Green 24 24-volt s e d Bright LED LED Cap: Lens/Insert Colors Sli LED Colors Resistor JB Clear/White 5C Red No Code No Resistor JC Clear/Red es 05 5-volt JD Clear/Amber actil 5D Amber T 12 12-volt JF Clear/Green 5F Green 24 24-volt Tilt Super Bright LED LED Cap: Lens/Insert Colors 6B White JB Clear/White h 6F Green c u o T 6G Blue s Bicolor LED for Full Face Illuminated LED Cap: Lens/Insert Colors ator c LED Colors Forward Voltage JB Clear/White di n I 2-volt 02 (no resistor) es ori 2CF Red/Green 05 5-volt ss e c 12 12-volt Ac 24 24-volt nt e m e pl p u S www.nkkswitches.com D107

Series YB Short Body 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 NC, NO, COM, L+, L–. k oc Pole Model Lamp circuit is isolated and requires R external power source. s n 1(COM) o YB15 ON (ON) hbutt SP *YB16 ON ON 1-3 1-2 SPDT 3 2 L (+) (-) L s u P 1 (COM) 4 PB DP YB25 ON (ON) 1-3 4-6 1-2 4-5 DPDT L (+) (-) L ed *YB26 ON ON 3 2 6 5 atD n mi * When in latchdown position for the alternate circuit, cap position is .020” (0.5mm) above the built-in bezel. u Ill e bl PANEL SEAL a m m a ogr No Code W Pr Without Panel Seal With Panel Seal s ck Bushing Snap-in Bushing o yl Mounting Mounting Mounting e K only s e ari Supplied with ot Supplied with mounting nut R mounting nut. and o-ring AT089. s SHAPES & MOUNTING TYPES e d Sli Bushing Mounting Snap-in Mounting S C R K M N s e Square Round Rectangular Square Round Rectangular ctil a T Tilt h uc Bezel-barrier is an integral part of the switch body. o T HOUSING s or at K Housing available in black only. The 1-piece body and bezel-barrier have a matte finish. dic Black n I CONTACT MATERIALS & RATINGS s e ori ss W e c Silver Contacts Power Level 3A @ 125/250V AC c A nt G e Gold Contacts Logic Level 0.4VA max. @ 28V AC/DC max. m e pl p Complete explanation of operating range in Supplement section. u S D108 www.nkkswitches.com

Series YB Short Body Pushbuttons s e TERMINALS gl g o T Solder Lug/ 01 .110” (2.8mm) Quick Connect Epoxy Seal (7.3) .288 s (2.0) er .079 (2.8) ck (1.2) .110 Ro .047 Thk = (0.5) .020 s n o (3.7) Typ (3.7) Typ butt 03 .146 .146 h 3 6 3 s Straight PC Epoxy Seal (.417.43) Pu 2 5 2 (0.6) R (4.85) Typ (4.85) Typ B .024.(01.4T27h)k = (0.5(.)211.80) Single Pole (.311.80) (5.515) .1. 0(916.163) Dia Typ Double Pole (.311.80) T4yp 1 .(15. 0(91.56.1653) )D Tyiap Typ D minated P .020 CL .219 CL .219 Illu e bl INCANDESCENT LAMP & SOLID CAP ma m a gr o Electrical specifications are determined at a basic temperature of 25°C. Lamp circuit is independent of switch operation. Pr For dimension drawing of lamp see the Accessories & Hardware section. s k c o yl AT611 05 12 Ke Voltage V 5V AC 12V AC s e Current I 115mA 60mA otari R MSCP .150 .150 T-1 Bi-pin Endurance Hours 7,000 average s e Ambient Temperature Range –25°C ~ +50°C d Sli No Code No Lamp s e Solid Cap for Incandescent Lamp & Nonilluminated actil T Lens/Insert (15.0) Dia AT3002 Colors Available: .591 Round Tilt Translucent Colored Lens (12.2) .480 (4.0) BB .157 White/White h c u o T CB AT3001 AT3003 Red/White Square Rectangular Translucent White Insert s EB Yellow/White (.1559.10) Sq (21.0) cator (15.0) .827 di .591 n FB (12.2) I .480 Green/White (12.2) (.415.07) (4.0).480 Translucent White Seal/Filter ories GB .157 s s Blue/White e c c A Materials: nt e m Lens & Insert: Polycarbonate Seal/Filter: Thermoplastic Elastomer Incandescent Lamp AT611 e pl p u S www.nkkswitches.com D109

Series YB Short Body Pushbuttons s e gl SPOT ILLUMINATED CAP WITH BUILT-IN LED g o T This spot-illuminated cap is factory assembled. s AT3010 AT3011 AT3012 cker Square (15.0) Sq Round Rectangular (15.0) (21.0) Ro .591 (15.0) Dia .591 .827 .591 (2.0) (2.0) (2.0) buttons (..5109.7079) (.415.07)(.1428.02) (..5109.7079) (.415.(.0714)28.02) .079(.519.07) (.415.07)(.1428.02) h Pus .(384.86) (8.8) .(384.86) .346 B P (+) (+) (+) d (-) (-) (-) e atD n mi Illu Colors Available: 02 02 05 12 24 e mabl 1C 1D 1F 1CF Without Resistor Without Resistor With With With m Red or Green or Resistor Resistor Resistor Unit a gr Red Amber Green Red/Green Amber Red/Green All Colors All Colors All Colors o Pr Maximum Forward Current I 20 20 15 15 12 mA FM s k oc Typical Forward Current I 15 15 12.5 12.5 10 mA yl F e K Forward Voltage V 1.9 2.1 5 12 24 V F Maximum Reverse Voltage s V 5 5 5 5 5 V arie (not applicable to bicolor) RM ot R Current Reduction Rate Above 25°C ∆I 0.27 0.27 –––– –––– –––– mA/°C F Ambient Temperature Range –25 ~ +50 °C s e d Sli Without Resistor 2-volt With Resistor 5, 12, 24-volt (+) (-) (+) (-) (+) (-) (+) (-) s e ctil Single Color Bicolor Single Color Bicolor a T The electrical specifications shown are determined at a basic temperature of 25°C. LED circuit is isolated and requires external power source. Single color LEDs are colored in OFF state. Bicolor LED is translucent white in OFF state. Tilt If the source voltage exceeds the rated voltage, a ballast resistor is required. The resistor value can be calculated by using the formula in the Supplement section. h Lens/Insert c ou Colors Available: Clear Lens Example part number T when cap is ordered separate JA from switch: Clear/Black ors Colored Insert AT3010F02JA cat JB for a ndi Clear/White Square Spot Illuminated Cap I with Green 2-volt LED es JC Seal without resistor sori Clear/Red Clear Lens and Black Insert s e cc JE A Clear/Yellow Built-in LED Materials: ment JF Clear/Green (oifn ttehger caal pp)art Lens & Insert: Polycarbonate e Seal: Thermoplastic Elastomer pl p u S D110 www.nkkswitches.com

Series YB Short Body Pushbuttons s e BRIGHT LED & LED CAPS gl g o T The electrical specifications shown are determined at a basic temperature of 25°C. LED circuit is isolated and requires external power source. If the source voltage exceeds the rated voltage, a ballast resistor is required. ers The resistor value can be calculated by using the formula in the Supplement section. ck o R Electrical Specifications for Bright LED without Resistor s n o Bright Colors 5C 5D 5F No Code hbutt AT628 Available: Red Amber Green No Resistor Unit us P LED Colors Red Amber Green B P d Maximum Forward Current I 40 40 40 mA e FM D at n Typical Forward Current I 26 26 26 mA mi F u Forward Voltage V 1.9 2.0 2.0 V Ill F ble (+) (-) Maximum Reverse Voltage V 4 4 4 V ma RM m a Current Reduction Rate Above 25°C ∆IF 0.50 mA/°C ogr T-1 Bi-pin Ambient Temperature Range –25 ~ +50 °C Pr s Electrical Specifications for Bright LED with Resistor ck o yl e K Bright Colors 5C 5D 5F 05 12 24 AT634 Available: Red Amber Green Unit s e Maximum Forward Current IFM — — — mA ari ot Typical Forward Current I 25 20 10 mA R F Forward Voltage V 5 12 24 V F Maximum Reverse Voltage V 4 8 16 V es RM d Current Reduction Rate Above 25°C ∆I –––– –––– –––– mA/°C Sli F T-11⁄4 Bi-pin Ambient Temperature Range –25 ~ +50 °C s AT634 AT634 AT634 e 5-volt, 12-volt, 24-volt, (+) actil 2-element (+) (-) 4-element (+) (-) 4-element T (-) with Resistor with Resistor with Resistor Cap for Bright LED Tilt Lens/Insert AT3004 (15.0) Sq AT3005 Colors Available: Square .591 Round (15.0) Dia .591 Transparent Clear Lens h c (12.2) u .480 (12.2) To JB (4.0) .480 Clear/White .157 (4.0) .157 Translucent Colored Insert s JC or Clear/Red at c (21.0) ndi (15.0) .827 I JD .591 Clear/Amber AT3006 Translucent White Seal/Diffuser s Rectangular (.1428.02) orie JF (4.0) ss Clear/Green .157 ce c A nt Materials: Bright LEDs me e Lens & Insert: Polycarbonate Seal/Diffuser: Thermoplastic Elastomer AT628 AT634 pl p u S www.nkkswitches.com D111

Series YB Short Body Pushbuttons s e gl SUPER BRIGHT LED & LED CAPS g o T The electrical specifications shown are determined at a basic temperature of 25°C. ers LED circuit is isolated and requires external power source. ck If the source voltage exceeds the rated voltage, a ballast resistor is required. o R The resistor value can be calculated by using the formula in the Supplement section. s n o utt Electrical Specifications for Super Bright LED b h s Pu Super Bright 6B 6F 6G B AT625G Blue ATTENTION d P AT631B White SEENLSECITTIVREO SDTEAVTIICCES (+) (-) e atD AT632F Green Colors: White Green Blue Unit n mi u Ill Maximum Forward Current I 30 30 30 mA e FM bl a Typical Forward Current I 20 20 20 mA m F m a ogr Forward Voltage VF 3.3 3.3 3.3 V Pr Maximum Reverse Voltage V 7 7 7 V RM s ck Current Reduction Rate Above 25°C ∆I 0.40 0.40 0.40 mA/°C o F yl Ke T-1 Bi-pin Ambient Temperature Range –25 ~ +50 °C Cap for Super Bright LED s e ari Rot AT3014 AT3015 AT3016 Square Round Rectangular s de (15.0) Sq (21.0) Sli .591 (.1559.10) Dia ( 1.559.01) .827 (.1428.02) (.1428.02) (.1428.02) ctiles (.415.07) (.415.07) (.415.07) a T Tilt Transparent Clear Lens h c u o T Lens/Insert Colors Available: Translucent White Insert s or at dic JB n Clear/White I Translucent White Seal/Diffuser s e ori s s e c c A Super Bright LEDs nt Materials: AT625 AT631 e em Lens & Insert: Polycarbonate Seal/Diffuser: Thermoplastic Elastomer AT632 pl p u S D112 www.nkkswitches.com

Series YB Short Body Pushbuttons s e BICOLOR LED & LED CAPS gl g o T The electrical specifications shown are determined at a basic temperature of 25°C. LED circuit is isolated and requires external power source. ers If the source voltage exceeds the rated voltage, a ballast resistor is required. ck o The resistor value can be calculated by using the formula in the Supplement section. R s n o Electrical Specifications for Bicolor LED utt b h s u 02 05 12 24 P Bicolor AT621 Bicolor LED is translucent white in OFF state. Unit B P d 2CF Red/Green Maximum Forward Current IFM 60 60 20 12 mA D ate n Typical Forward Current I 45 45 15 10 mA mi F u Ill Forward Voltage (Red/Green) V 1.9 / 2.1 5 12 24 V e F bl a m Current Reduction Rate Above 25°C ∆I 0.80 –––– –––– –––– mA/°C m F a gr T-11⁄2 Bi-pin Ambient Temperature Range –25 ~ +50 °C Pro s k c o AT621 AT621 AT621 yl e Bicolor LED Bicolor LED Bicolor LED (+) (-) K (+) (-) (+) (-) 2-volt 5-volt 12 & 24-volt 6-element 6-element 6-element As shown for Red; s without Resistor with Resistor with Resistor Reverse polarity for Green arie ot R LED Caps s AT3004 AT3005 AT3006 de Square Round Rectangular Sli (21.0) ( 1.559.01) Sq (.1559.10) Dia ( 1.559.01) .827 es ctil (.1428.02) (.1428.02) (.1428.02) Ta (4.0) (4.0) (4.0) .157 .157 .157 Tilt Transparent Clear Lens h c u o T Lens/Insert Colors Available: Transparent White Insert s or at JB c Clear/White ndi I Translucent White Seal/Diffuser s e ori s s e c c A Materials: nt e Lens & Insert: Polycarbonate Seal/Diffuser: Thermoplastic Elastomer Bicolor LED AT621 m e pl p u S www.nkkswitches.com D113

Series YB Short Body Pushbuttons s e gl TYPICAL SWITCH DIMENSIONS g o T Square • Bushing Mounting Single & Double Pole s cker .(397.40) M16 P1 .(01.427) xx .(027.09) Typ .(314.76) o R (0.5) Typ .020 NC ons NO23 -L + 65NO .(398.72) utt (2.8) Typ 1 4 hb .110 COM s u P (15.0) Sq (7.3) (7.3) (6.0) B .591 .287 .288 .236 ed P (.1780.90) Sq .(382.37) (2.945.37) . 4(131.71) atD n mi Illu YB15SKW01-12-CB Single pole models do not have terminals 4, 5, & 6. e bl a mm Round • Panel Seal Single & Double Pole a gr o Pr .(002.50) .(397.40) M16 P1 .(01.427) xx .(027.09) Typ .(314.76) s (0.5) Typ ck .020 Keylo NO23 N-L +C 65NO .(398.72) (2.8) Typ 1 4 .110 COM s e ari (15.0) Dia (0.5) (7.2) (7.3) (6.0) ot .591 .020 .283 .288 .236 R (18.0) Dia (3.0) (5.3) (24.3) (11.1) .709 .118 .209 .957 .437 Latchdown Position es YB26WCKW01-12-EB Single pole models do not have terminals 4, 5, & 6. d Sli Rectangular • Snap-in Mounting Single & Double Pole s e actil .(01.427) xx .(027.09) Typ .(314.76) T (0.5) Typ .020 NC Tilt (.1780.90)(.1559.10) (2.8) Typ NO231 -L + 465NO .(398.72) .110 COM (21.0) (7.3) (6.0) .827 .288 .236 ch .(2944.50) .(382.37) ( 2.945.37) . 4(131.71) u o T YB15NKW01-5C-JC Single pole models do not have terminals 4, 5, & 6. s or PANEL THICKNESS & CUTOUTS at c di n I Bushing & Panel Seal Mount Snap-in Mount s e ori s s e cc Panel Thickness Panel Thickness A .020” ~ .197” .039” ~ .138” nt (0.5mm ~ 5.0mm) (1.0mm ~ 3.5mm) (1.2) R me .047 ple (.1663.00)+– 00..02 Dia (.1663.00)+– 00..02 Dia p u S D114 www.nkkswitches.com

Series YB Short Body Pushbuttons s e OPTIONAL ACCESSORIES gl g o T Dust Covers and Protective Guards reduce depth of switch behind panel by .047” (1.2mm). Panel Thickness Range with Dust Cover or Protective Guards: s er Bushing Mounting Snap-in Mounting Panel Seal ck o .020” ~ .150” (0.5mm ~ 3.8mm) .020” ~ .091” (0.5mm ~ 2.3mm) .020” ~ .118” (0.5mm ~ 3.0mm) R s AT4115 Dust Cover Dust/Splash Cover (.1663.28) utton b fBours hSinnagp M-ino uonr t Dust Cover Splash Cover .(253.92) Push B AT4115 AT089 AT4115 P d AT541 e (5.2) D at .205 n AT4115 Splash Cover mi u and AT541 O-ring Ill for Bushing Mount (2.931.32) ( 21.915.20) mable m AT4115 a (16.0) Dia ogr Materials: Snap-in Mount Panel Seal .630 Pr Lid: Polyvinyl Chloride s Base: Polyamide Note: AT089 o-ring supplied (20.0) Dia ck .787 o O-ring: Nitrile butadiene rubber with panel seal model. (0.5) AT541 yl .020 Ke Protective Guard Assembled AT4072 Protective Guard Cap Height (1.2) s Opens 90° .047 arie Closes manually Rot (12.0) .472 (22.9) .902 s e d Sli Materials: Lid: Polycarbonate (1.2) (6.6) Base: Glass Fiber .047 .260 Reinforced Polycarbonate ( 2.934.91) (.1414.21) (.1663.00) Dia ctiles a T Spring Loaded Protective Guard AT4175 Spring Loaded Assembled Protective Guard Bezel Height Opens 180° Tilt Closes automatically (12.5) .492 (23.4) .921 h c (16.0) Dia u .630 To (45.0) Min* (1.2) AT4175 1.772 (2.934.91) (.1414.49) .047 (.1663.00) Dia ators c di n (12.5) 180° I .492 s e (23.4) ori .921 s s e Materials: c c Lid: Polycarbonate A (2.934.91) Base: Glass Fiber Reinforced Polyamide nt (24.0) Min Coil Spring: Stainless Steel me .945 e * Minimum dimension allows opening of cover to 180° ppl u S www.nkkswitches.com D115

Series YB Short Body Pushbuttons s e gl OPTIONAL ACCESSORIES g o T Adaptors s cker AT716 (.1677.31) AT717 (.1677.31) Ro Single Pole Double Pole Solder Lug/ Solder Lug/ (17.0) (17.0) s Quick Connect .669 Quick Connect .669 n o Terminals Terminals utt b h s Pu (5.0) (5.0) .197 .197 B P d NC NC e (4.85) Typ (4.85) Typ atD .191 NO L NO .191 NO L NO n mi –+ –+ u Ill COM COM e (3.0) (3.0) Typ bl .118 (3.7) .118 (3.7) ma (5.55) .146 (5.55) Typ .146 m .219 .219 a gr o Pr ks (17.1) (.1677.31) oc AT718 .673 AT719 yl e Single Pole Double Pole K (17.0) Straight PC (17.0) Straight PC .669 .669 Terminals Terminals s e ari Rot (4.0) (.415.07) .157 NC NC des ( 4.1.9815) Typ NO L NO ( 4.1.9815) Typ NO L NO Sli –+ –+ COM (3.7) Typ COM (3.7) Typ (3.0) .146 (3.0) Typ .146 .118 (3.7) .118 (3.7) es (5.55) .146 (5.55) Typ .146 actil .219 (4.1.9815) Typ .219 ( 4.1.9815) Typ T (1.85) Typ (1.0) Dia Typ (1.85) Typ (1.0) Dia Typ .073 .039 .073 .039 (3.0) Typ (3.0) Typ .118 (5.55) .118 (5.55) Typ Tilt CL .219 CL .219 Material: Glass fiber reinforced polyamide Note: Order adaptors separately h c u o T Switch Dimensions Shown with Adaptor AT716 s or at c di Dimension A: n I Solder Lug .197” (5.0mm); Straight PC .157” (4.0mm) s e ori ss Panel thickness for YB Bushing Mount: e c c A .020” ~ .197” (0.5mm ~ 5.0mm) (30.3) A 1.193 nt e m e pl p u S D116 www.nkkswitches.com

Series YB Short Body Pushbuttons s e ASSEMBLY INSTRUCTIONS gl g o T Cap Assembly LED Polarity & Orientation in Lamp Socket s Spot ATTENTION ker ELECTROSTATIC oc Plunger SENSITIVE DEVICES R Grip Slot Pinhole s Projections n o Positive utt NeLgaamtivpe Socket Flat Flat Flat shb SBwoditych Part NumLabmepr Socket (-) (+) (-) (+) (+) (-) (-) (+) Pu Top View of Switch PB LED LEDs LED ed Spot Illuminated Cap AT628 AT625G AT621 D nat with Built-in LED AT634 AT631B AT632F mi u Ill e bl The following installation tools are available: AT106 Socket Wrench for bushing mounting (Overtightening the mounting nut AT092 a m may damage the switch housing.); AT109 Cap Extractor; AT111 Lamping Tool. m a Further details and dimensions are shown in the Accessories and Hardware section. gr o Pr LEGENDS s k c o yl e NKK Switches can provide custom legends for caps. Contact factory for more information. K Suggested Printable Area for YB Lens es ari ot R Recommended Methods: Laser Etch on clear lens, Screen Print or Pad Print on Lens. Epoxy based ink is recommended. s e d Sli O (13.48) (15.0) N .531 .591 s e ctil (13.48) Sq (0.76) Typ (13.48) Dia (0.76) Typ (0.76) Typ (19.48) (0.76) Typ Ta .531 .030 .531 .030 .030 .767 .030 (15.0) Sq (15.0) Dia (21.0) .591 .591 .827 Shaded areas are printable areas. Tilt Suggested Printable Area for Film Insert h Lens c u o Recommended Print Method: Laser Print T Film Insert: Clear Polyester, 4 mil max. thickness Film O Insert ors N at c Filter (9.88) (11.4) (10.68) (12.2) di .389 .449 .420 .480 In Seal es (10.68) Sq (0.76) Typ (0.76) Typ (10.68) (0.76) Typ (0.76) Typ (16.68) (0.76) Typ ori .420 .030 .030 .420 .030 .030 .657 .030 ss CBaaspe (.1428.02) Sq (.1428.20) (1.781.27) Acce nt Shaded areas are printable areas. e m e pl p u S www.nkkswitches.com D117