Series SCB Toggles Snap Switch Pushbuttons GENERAL SPECIFICATIONS Electrical Capacity Caps & Shrouds: Plunger: Bushing: Case: Movable & Stationary Contacts: Terminals: Standards & Certifications Keylocks UL: Internal snap switch is UL recognized. CSA: Internal snap switch is CSA certified. TYPICAL SWITCH ORDERING EXAMPLE 2 5 P 15 A Poles DPDT For Momentary Terminals Circuits 5 ON (ON) 6 ON ON ( ) = Momentary A .187” (4.75mm) Quick Connect *B .250” (6.35mm) Quick Connect 3 .520” (13.2mm) Diameter Cap For Momentary & Alternate Action Note: Contact factory for availability of screw lug and solder lug models. * Available in Americas only 4 Round Cap & Shroud (AT454 & AT455) 5 Rectangular Cap & Shroud (AT452 & AT453) Bushings P Plastic (with momentary only) S Steel Colors DESCRIPTION FOR TYPICAL ORDERING EXAMPLE 15A DPDT ON-(ON) Circuit Caps Shrouds A Black A B White B Round Red Cap with Black Shroud C Red – F Green – Plastic Bushing G Blue – H Gray H SCB25P15A-4CA Rating 15 Tactiles 2 Caps & Shrouds Tilt SPDT CA .187” (4.75mm) Quick Connect Terminals 15A Rating Supplement 1 4 Slides SCB Pushbuttons Rockers 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 Note: Standard hardware is provided with caps. See Bushing detail for more information. www.nkk.com Touch C Programmable Illuminated PB Materials & Finishes 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) Rotaries Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Travel: Operating Temp Range: Indicators Other Ratings Resistive Load: 15A & 1⁄2 HP @ 125 or 250V AC for high capacity models Lamp Load: 5A @ 125V AC Accessories C131 Series SCB Toggles Snap Switch Pushbuttons POLES & CIRCUITS Normal Pole Model SP SCB15 SCB16 Connected Terminals Down Normal Keyway Throw & Schematics Down Note: Terminal numbers are actually on the switch. Keyway C ON ON (ON) ON 1-2 1-3 SPDT 1 DP SCB25 SCB26 ON ON (ON) ON 1-2 1-2 2 3 SP with 2 switches 1-3 1-3 2 3 1 1 2 3 BUSHINGS P Plastic (for Momentary only) Rotaries Keylocks Programmable Illuminated PB Pushbuttons Rockers Plunger Position ( ) = Momentary S Steel “A” = 11.2mm Momentary (10.0) .394 15.5mm Alternate Action Slides A (12.5) Dia .492 Tactiles (11.5) .453 (12.5) Dia .492 (11.5) .453 Maximum Effective Panel Thickness: .165” (4.2mm) without Shroud (1.5) .060 (1.5) .060 .157” (4.0mm) with Shroud Maximum Effective Panel Thickness: Momentary: .177” (4.5mm) without Shroud .157” (4.0mm) with Shroud Tilt Alternate Action:.354” (9.0mm) Standard Hardware Provided with Caps Touch Cap Option 3: AT504M Knurled Face Nut, AT508 Lockwasher, AT527M Hex Mounting Nut Cap Options 4 & 5: AT508 Lockwasher & AT527M Hex Mounting Nut A .187” (4.75mm) Quick Connect B (9.78) .385 (3.18) .125 Supplement Accessories Indicators TERMINALS C132 (10.16) .400 .250” (6.35mm) Quick Connect (8.38) .330 (4.06) .160 (4.75) .187 Thk = (0.5) .020 (10.54) .415 (6.35) .250 Thk = (0.81) .032 www.nkk.com Series SCB Toggles Snap Switch Pushbuttons TYPICAL SWITCH DIMENSIONS NC 2 NO 3 (4.75) .187 (3.18) .125 (1.02) .040 (13.97) .550 (9.78) .385 (10.16) .400 (22.23) .875 (28.0) 1.102 (28.83) 1.135 C COM 1 (13.2) Dia .520 (11.0) .433 (14.2) .559 CL (7.85) Max .309 (10.3) .406 (21.6) .850 Keyway (11.2) .441 Programmable Illuminated PB M12 P1 (4.5) .177 (10.16) .400 (18.0) .709 SCB15S15A-3C Round Cap & Shroud • .187” (4.75mm) Quick Connect (1.02) .040 (13.97) .550 (9.78) .385 (10.16) .400 (22.23) .875 (28.2) 1.110 (28.83) 1.135 COM 1 (17.7) Dia .697 (24.0) Dia .945 (2.0) .079 NO 3 (7.85) Max .309 M12 P1 (10.3) .406 (0.6) .024 (22.1) .870 (12.0) .472 (21.2) .835 Rotaries NC 2 Slides Shown with (4.0) Panel .157 (4.75) Typ .187 (3.18) .125 (5.84) .230 (0.5) Typ .020 Tactiles (14.0) .551 Pushbuttons (5.84) .230 (0.5) Typ .020 Keylocks CL Rockers .520” (13.2mm) Dia. Cap • .187” (4.75mm) Quick Connect (20.32) .800 (27.0) 1.063 Tilt SCB25P15A-4CA (8.08) .318 (0.81) Typ .032 NC 2 NO 3 M12 P1 (6.35) Typ .250 (4.06) .160 (1.02) .040 (14.35) .565 (8.38) .330 (10.54) .415 (22.23) .875 (28.4) 1.118 (28.83) 1.135 COM 1 (19.4) .764 Indicators Shown with (4.0) Panel .157 Accessories (20.7) .815 Touch Rectangular Cap & Shroud • .250” (6.35mm) Quick Connect (26.2) 1.031 (2.0) .079 (12.0) .472 (10.3) .406 (21.6) .850 (7.85) Max .309 (20.32) .800 (48.1) 1.893 Supplement Keyway (15.4) .606 (21.0) .827 (27.0) 1.063 SCB26S15B-5CA www.nkk.com C133