Series FB & SB Momentary Pushbuttons s e gl g General Specifications o T s er FB Series SB Series k c o R Electrical Capacity (Resistive Load) s Power Level: 500mA @ 125V AC for silver 3A @ 125V AC or 2A @ 250V AC or n o utt C Logic Level: 0.4VA max. @ 28V AC/DC max. for gold 2A @ 30V DC for silver hb (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) 0.4VA max. @ 28V AC/DC max. for gold s Pu Note: Find additional explanation in (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) B Supplement section. Note: Find explanation of operating range in P d Supplement section. e at Other Ratings n mi Contact Resistance: 30 milliohms maximum for silver; 10 milliohms maximum for silver; u Ill 30 milliohms maximum for gold 20 milliohms maximum for gold e abl Insulation Resistance: 100 megohms minimum @ 500V DC 200 megohms minimum @ 500V DC m m Dielectric Strength: 1,000V AC minimum between contacts & 1,000V AC minimum between contacts a ogr between contacts & case for 1 minute minimum & between contacts & case for 1 minute minimum Pr Mechanical Life: 50,000 operations minimum 30,000 operations minimum s Electrical Life: 50,000 operations minimum 10,000 operations minimum k c ylo Nominal Operating Force: 2.16N 4.90N e K Travel: Pretravel .043” (1.1mm) Normally Open Overtravel .022” (0.57mm) Total Travel .088” (2.24mm) s Total Travel .065” (1.67mm) Normally Closed e ari Total Travel .088” (2.24mm) ot R Materials & Finishes Plunger: Polyacetal Black: Phenolic resin Red: Urea formaldehyde resin s e Bushing: Brass with nickel plating Brass with nickel plating d Sli Case: Phenolic resin Phenolic resin Movable Contactor: Copper with silver or gold plating Copper with silver or gold plating Stationary Contacts: Phosphor bronze with silver or gold plating Copper with silver or gold plating es Terminals: Phosphor bronze with silver or gold plating Copper with silver or gold plating ctil a T Environmental & Installation Data Operating Temp Range: –10°C through +70°C (+14°F through +158°F) –10°C through +70°C (+14°F through +158°F) Soldering Time & Manual Soldering: Manual Soldering: Tilt Temperature: See Profile A in Supplement section. See Profile A in Supplement section. Standards & Certifications UL: File No. E44145 - Recognized only when File No. E44145 - Recognized only when ordered ch ordered with marking on switch. with marking on switch. u To Add “/U” or “/CUL” before dash in part Add “/U” or “/CUL” before dash in part number to number to order UL recognized switch. order UL recognized switch. Models rated 0.5A @ 125V AC Single pole; Models rated 3A @ 125V AC & 2A @ 250V AC. s or Momentary action circuit with solder lug Single pole: Momentary action circuit with solder lug at c terminations. terminations. di n I CSA: File No. 023535_0_000 - Certified only when es ordered with marking on switch. sori Add “/C” before dash in part number to order CSA s ce certified switch. c A SB series rated 3A @ 125V AC & 2A @ 250V AC. nt Single pole: Momentary action circuit with solder lug me terminations. e pl p u S C38 www.nkkswitches.com 7/30/18

Series FB & SB Momentary Pushbuttons s e gl Distinctive Characteristics g o T s er k c o R Optional caps in different colors to vary appearance as needed. s n o C utt b Low operating force for ease of actuation. sh u P B Rear panel bushing mount with compact P d e behind panel dimension. at n mi u Internal antijamming feature to protect the Ill e contacts from damage due to excessive bl a m force on the plunger. m a gr o Pr Self-cleaning contacts make FB models highly reliable. ks c o yl e Low cost device of rugged one-piece bushing K and housing construction. s e Reliability of construction with an internal guide to otari R maintain contact alignment. FB15ANEP and SB4011NO models have epoxy sealed s e d terminals. Sli s e ctil a T Tilt Actual Size FB Actual Size SB h c u o T FB Bushing Mount Page C40 ors at c di n I s e ori s s e c SB Bushing Mount Page C42 Ac nt e m e pl p u S www.nkkswitches.com C39

Series FB .5 Amp Momentary Pushbuttons s e gl TYPICAL SWITCH ORDERING EXAMPLE g o T s FB 15AN EP 2 F A er k c o R s n o utt C hb Pole & Circuit Contact Materials & Ratings Cap Colors s u P 15AN SPST OFF (ON) Silver Contacts A Black 2 d PB ( ) = Momentary 500mA @ 125V AC B White nate 4 Gold Contacts C Red mi 0.4VA max. @ 28V AC/DC max. u Ill e bl a m m a gr Terminals Caps o Pr EP Epoxy Sealed PC/Turret F .201” (5.1mm) Dia. s ck P No Epoxy PC/Turret H .295” (7.5mm) Dia. o yl e K IMPORTANT: s e ari Switches are supplied without UL & cULus marking unless specified. ot UL & cULus recognized only when ordered with marking on the switch. R Specific models, ratings, & ordering instructions are noted on the General Specifications page. s e d Sli DESCRIPTION FOR TYPICAL ORDERING EXAMPLE FB15ANEP2-FA s e ctil a T .201” (5.1mm) Diameter Black Cap Tilt Silver Contacts & SPST 500-Milliamp Rating OFF-(ON) Circuit Epoxy Sealed PC/Turret Terminals h c u o T POLE & CIRCUIT s ator Plunger Position dic ( ) = Momentary Connected Terminals Throw & Switch Schematics n I Normal Down Normal Down es Note: Terminal numbers are ori Pole Model not actually on the switch. s s e c c A nt SP FB15AN OFF (ON) OPEN 1-2 SPST e 1 2 m e pl p u S C40 www.nkkswitches.com

Series FB .5 Amp Momentary Pushbuttons s e TERMINALS gl g o T Epoxy Sealed No Epoxy EP P PC/Turret Terminals PC/Turret Terminals s er k c o R CONTACT MATERIALS & RATINGS s n o 2 C butt Silver Contacts Power Level 500mA @ 125V AC h s u P B 4 P Gold Contacts Logic Level 0.4VA maximum @ 28V AC/DC maximum d e at n mi u Complete explanation of operating range in Supplement section. Ill e bl a m TYPICAL SWITCH DIMENSIONS m a gr o Pr PC/Turret s k c o .(250.11) Dia (.415.07) M5 P0.5 .(014.27) .(00.0165) Typ eyl K (5.0) Dia .197 s (.211.08) Dia arie (5.0) (2.7) ot .197 .106 R (7.0) Dia (5.9) (4.0) (11.8) (2.54) .276 .232 .157 .465 .100 s e d Plunger is white polyacetal. FB15ANEP2-FA Sli SLIP-ON CAPS & COLORS s e ctil a T AT475 AT496 F H .201” (5.1mm) Diameter .295” (7.5mm) Diameter (.52.011) Dia .(279.55) Dia Tilt Material: Polyamide (.52.392) (.415.07) Material: Polyamide (.52.392) (.415.07) Finish: Glossy Finish: Glossy h c u o T A B C Colors Available: Black White Red s or at STANDARD HARDWARE & PANEL CUTOUT dic n I s M5 P0.5 e AT536 Hex Nut (7.0) Panel Thickness: (.52.039) Dia ssori .276 e c c A Material: .110” (2.8mm) maximum Brass with nickel plating nt e (8.0) (1.2) m .315 .047 e pl p u S www.nkkswitches.com C41

Series SB 3 Amp Momentary Pushbuttons s e gl TYPICAL SWITCH ORDERING EXAMPLE g o T SB40 11NO M s er k c o R s n o utt C b h s u P Pole & Circuits Plunger Colors Contact Materials & Ratings B P Normally Open No Code Black No Silver Contacts d e Code 3A @ 125V AC or 2A @ 250V AC at * 11NO SPST OFF (ON) C Red n mi Gold Contacts u Normally Closed G Ill 0.4VA max. @ 28V AC/DC max. e 11NC SPST ON (OFF) bl a m ( ) = Momentary m Bushings a ogr * SB4011NO models have M Metric Threaded M12 P1 Slip-On Cap & Colors Pr epoxy sealed terminals H Inch Threaded 15/32-32 NS No Code Without Cap s ck 2A Black o yl e 2B White K 2C Red IMPORTANT: s 2E Yellow e otari SUwL,i tccUheLus sa &re CsuSpAp rlieecdo gwnitihzoedut oUnLl,y cwUhLuesn &o rCdSeAre dm awrikthin gm aunrkleinssg sopne ctihfiee dsw. itch. 2F Green R Specific models, ratings, & ordering instructions are noted on the General 2G Blue Specifications page. s e d Sli DESCRIPTION FOR TYPICAL ORDERING EXAMPLE SB4011NOM s e ctil a T Standard Black Plunger without Slip-on Cap Metric Threaded Bushing Tilt SPST OFF-(ON) Normally Open Circuit Silver Contacts with 3-Amp Rating h c u o T POLE & CIRCUITS s or Plunger Position cat ( ) = Momentary Connected Terminals Throw & Switch Schematics di n I Normal Down Normal Down s Note: Terminal numbers are e Pole Model ori not actually on the switch. s s e c c A SB4011NO OFF (ON) OPEN 1-2 NO NC ment SP SB4011NC ON (OFF) 1-2 OPEN SPST 1 2 1 2 e pl p u S C42 www.nkkswitches.com

Series SB 3 Amp Momentary Pushbuttons s e TTYYPPIICCAALL SSWWIITTCCHH DDIIMMEENNSSIIOONNSS gl g o T ((11..22)) DDiiaa MMeettrriicc BBuusshhiinngg MM1122 PP11 ..004477 s er k c ((88..44)) DDiiaa ((1100..00)) DDiiaa o ..333311 ..339944 R ((22..22)) TTyypp ..008866 s n ((99..00)) ((44..00)) ((00..66)) TTyypp o ..335544 ..115577 ..002244 C utt ((1122..00)) DDiiaa ((66..33)) ((2222..00)) ((77..33)) b ..447722 ..224488 ..886666 ..228877 sh u P SSBB44001111NNOOMM PB d MM1122 PP11 . .(0(01144..2277)) DDiiaa nate mi SB4011NOM Illu ((88..44)) DDiiaa ((1100..00)) DDiiaa e ..333311 ..339944 bl ((1122..55)) DDiiaa HHaarrddwwaarree pprroovviiddeedd:: ma ..449922 11 AATT550044 KKnnuurrlleedd FFaaccee NNuutt am . .(3(39955..0044)) (.(.551199..0077)) 11 AATT550088 LLoocckkwwaasshheerr ogr ((1122..00)) DDiiaa ((66..33)) ((2233..00)) 11 AATT552277MM HHeexx MMoouunnttiinngg NNuutt Pr ..447722 ..224488 ..990066 s PPaanneell TThhiicckknneessss:: DDeettaaiillss iinn HHaarrddwwaarree && ck o SSBB44001111NNCCMM ..115577”” ((44..00mmmm)) AAcccceessssoorriieess sseeccttiioonn.. yl e K IInncchh BBuusshhiinngg es 1155//3322--3322 NNSS . .(0(01144..2277)) DDiiaa otari R ((88..44)) DDiiaa ((1100..00)) DDiiaa ..333311 ..339944 ((22..22)) TTyypp s ..008866 de ((1100..44)) ((44..00)) ((00..66)) TTyypp Sli ..441100 ..115577 ..002244 ((1122..00)) DDiiaa ((66..33)) ((2222..00)) ((77..33)) ..447722 ..224488 ..886666 ..228877 s e SSBB44001111NNOOHH ctil 1155//3322--3322 NNSS . .(0(01144..2277)) DDiiaa Ta SSBB44001111NNCCHH ((88..44)) DDiiaa ((1100..00)) DDiiaa ..333311 ..339944 HHaarrddwwaarree pprroovviiddeedd:: Tilt ((1122..55)) DDiiaa ..449922 22 AATT550033HH HHeexx MMoouunnttiinngg NNuuttss ((1100..44)) ((55..00)) ..441100 ..119977 11 AATT550088 LLoocckkwwaasshheerr ((1122..00)) DDiiaa ((66..33)) ((2233..00)) ..447722 ..224488 ..990066 h PPaanneell TThhiicckknneessss:: DDeettaaiillss iinn HHaarrddwwaarree && c u SSBB44001111NNCCHH ..115577”” ((44..00mmmm)) AAcccceessssoorriieess sseeccttiioonn.. To SSLLIIPP--OONN CCAAPP && CCOOLLOORRSS ors at c di n AATT442222 I ..339944”” ((1100..00mmmm)) DDiiaammeetteerr CCaapp 22AA 22CC 22FF (10.0) Dia BBllaacckk RReedd GGrreeeenn es .394 ori s Material: Polyethylene .(384.86) .(263.06) Acces 22BB 22EE 22GG Finish: Matte WWhhiittee YYeellllooww BBlluuee nt e m e pl p u S www.nkkswitches.com C43