SCB15S15B-4B

Snap Switch Pushbuttons GENERAL SPECIFICATIONS Electrical Capacity Other Ratings Resistive Load: Lamp Load: 15A & 1⁄2 HP @ 125 or 250V AC for high capacity models 5A @ 125V AC Series SCB Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Travel: Operating Temp Range: 15 milliohms maximum 100 megohms minimum @ 500V DC 1,000V AC minimum between contacts for 1 minute minimum; 1,500V AC minimum between contacts & case for 1 minute minimum 1,000,000 operations minimum 50,000 operations minimum Pretravel .047” (1.19mm); Overtravel .040” (1.01mm); Differential .011” (0.27mm) –40°C through +85°C (–40°F through +185°F) Polycarbonate with glossy finish or PBT Polyacetal or brass with nickel plating Steel with zinc plating or glass fiber reinforced polyamide Polyester Silver alloy Brass with silver plating Internal snap switch is UL recognized. Internal snap switch is CSA certified. Materials & Finishes Caps & Shrouds: Plunger: Bushing: Case: Movable & Stationary Contacts: Terminals: UL Recognized: CSA Certified: Standards & Certifications TYPICAL SWITCH ORDERING EXAMPLE SCB POLES 1 2 SPDT DPDT 2 5 P TERMINALS 15 A 1 2 3 4 5 4 CAPS & SHROUDS For Momentary .315” (8.0mm) Diameter Cap .394” (10.0mm) Diameter Cap .520” (13.2mm) Diameter Cap Round Cap and Shroud Rectangular Cap and Shroud CA A .187” (4.75mm) Quick Connect .250” (6.35mm) Quick Connect CIRCUITS 5 6 ON ON (ON) ON B Note: Contact factory for availability of screw lug and solder lug models. For Momentary & Alternate Action ( ) = Momentary BUSHINGS P S Plastic (with momentary only) Steel DESCRIPTION FOR TYPICAL ORDERING EXAMPLE SCB25P15A-4CA Round Red Cap with Black Shroud Plastic Bushing DPDT ON-(ON) Circuit 15A Rating .187” (4.75mm) Quick Connect Terminals COLORS Caps A B C F G H Shrouds Black White Red Green Blue Gray A B – – – H RATING 15 15A Note: Standard hardware provided with caps. See Bushing detail for more information. N KK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Snap Switch Pushbuttons POLES & CIRCUITS Plunger Position ( ) = Momentary Normal Keyway Series SCB Throw & Schematics Connected Terminals Normal Keyway Down Down Note: Terminal numbers are actually on the switch. Pole SP Model SCB15 SCB16 SCB25 SCB26 ON ON ON ON (ON) ON (ON) ON 1-2 1-3 SPDT 1 2 3 DP 1-2 1-2 1-3 1-3 SP with 2 switches 1 1 2 3 2 3 BUSHINGS P Plastic (for Momentary only) (12.5) Dia .492 (11.5) .453 (1.5) .060 A S Steel (12.5) Dia .492 (11.5) .453 (1.5) .060 (10.0) .394 Max. Effective Panel Thickness: .165” (4.2mm) without Shroud .157” (4.0mm) with Shroud “A” = 11.2mm Momentary 15.5mm Alternate Action Max. Effective Panel Thickness: Momentary: .177” (4.5mm) without Shroud .157” (4.0mm) with Shroud Alternate Action: .354” (9.0mm) Standard Hardware Provided with Caps Cap Options 1, 2, & 3: AT504M Knurled Face Nut, AT508 Lockwasher, AT527M Hex Mounting Nut Cap Options 4 & 5: AT508 Lockwasher & AT527M Hex Mounting Nut TERMINALS A .187” (4.75mm) Quick Connect (9.78) .385 (3.18) .125 (10.16) .400 (4.75) .187 Thk = (0.5) .020 B .250” (6.35mm) Quick Connect (8.38) .330 (4.06) .160 (10.54) .415 (6.35) .250 Thk = (0.81) .032 TYPICAL SWITCH DIMENSION .315” (8.0mm) Dia. Cap • .250” (6.35mm) Quick Connect C L (0.81) Typ .032 NC 2 (8.08) .318 (1.02) .040 (14.35) .565 (8.38) .330 (6.35) .250 (4.06) .160 (10.54) .415 NO 3 M12 P1 (8.0) Dia .315 Keyway C L (14.0) .551 COM 1 (22.23) .875 (28.2) 1.110 (28.83) 1.135 SCB15P15B-1C (6.5) .256 (10.8) .425 (0.6) .024 (10.6) .417 (10.3) .406 (22.1) .870 (7.85) Max .309 (10.16) .400 (18.0) .709 N KK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Snap Switch Pushbuttons TYPICAL SWITCH DIMENSIONS .394” (10.0mm) Dia. Cap • .187” (4.75mm) Quick Connect C L Series SCB (4.75) .187 (3.18) .125 (9.78) .385 (10.16) .400 (0.5) Typ .020 NC 2 (5.84) .230 (1.02) .040 (13.97) .550 NO 3 M12 P1 (4.5) .177 (10.0) Dia .394 C L (8.0) .315 (11.8) .465 COM 1 (22.23) .875 (28.0) 1.102 (28.83) 1.135 Keyway SCB15S15A-2A (11.2) .441 (10.3) .406 (21.6) .850 (7.85) Max .309 (10.16) .400 (18.0) .709 .520” (13.2mm) Dia. Cap • .187” (4.75mm) Quick Connect C L (0.5) Typ .020 NC 2 (5.84) .230 (1.02) .040 (13.97) .550 (9.78) .385 (4.75) .187 (3.18) .125 (10.16) .400 NO 3 M12 P1 (4.5) .177 (13.2) Dia .520 (11.0) .433 (14.2) .559 COM 1 (22.23) .875 (28.0) 1.102 (28.83) 1.135 C L Keyway (11.2) .441 SCB15S15A-3C (10.3) .406 (21.6) .850 (7.85) Max .309 (10.16) .400 (18.0) .709 Round Cap & Shroud • .187” (4.75mm) Quick Connect (14.0) .551 Shown with (4.0) Panel .157 (0.5) Typ .020 NC 2 (5.84) .230 (1.02) .040 (13.97) .550 (4.75) Typ .187 (3.18) .125 (9.78) .385 (10.16) .400 NO 3 (17.7) Dia .697 (24.0) Dia .945 M12 P1 (10.3) .406 (0.6) .024 (22.1) .870 COM 1 (22.23) .875 (28.2) 1.110 (28.83) 1.135 (2.0) .079 SCB25P15A-4CA (12.0) .472 (21.2) .835 (7.85) Max .309 (27.0) 1.063 (20.32) .800 Rectangular Cap & Shroud • .250” (6.35mm) Quick Connect (20.7) .815 Shown with (4.0) Panel .157 (0.81) Typ .032 NC 2 (8.08) .318 NO 3 (6.35) Typ .250 (4.06) .160 (1.02) .040 (14.35) .565 (8.38) .330 (10.54) .415 M12 P1 (19.4) .764 (26.2) 1.031 Keyway (15.4) .606 (21.0) .827 (2.0) .079 (12.0) .472 (48.1) 1.893 (10.3) .406 (21.6) .850 COM 1 (22.23) .875 (28.4) 1.118 (28.83) 1.135 (7.85) Max .309 (20.32) .800 (27.0) 1.063 SCB26S15B-5CA N KK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08