Pushbutton Switches 641-Series Specifications The 641-Series pushbutton switches are single or double pole and AC rated up to 5 amps. These switches offer maintained action with a slider contact mechanism. The typical actuation force required is 3 - 3 1/2 lbs. •Certifications*: UL, CSA •Dielectric Strength: 1,000 V (minimum) •Insulation Resistance: 100 Megohms (minimum) •Base Material: Polyester •Actuator Material: Brass/Nickel Plate •Bushing Material: Brass/Nickel Plate * Due to ongoing technological advances, consult factory for certification specifics. .093[2.36] DIA Dimensional Specifications: in. [mm] 6.000[152.40] .250[6.35] .200[5.08] .396[10.05] DIA 15/32-32UNS-2A THREAD .500[12.70] .186[4.72] DIA .200[5.08] .468[11.90] SOLDER LUG KEYWAY .072[1.82] X .038[.965] DP .378[9.60] WIRE LEAD PC TERMINAL TERMINAL TYPE 9/16 HEX NUT (1) REQ'D .562[14.27] 1.734[44.04] .500[12.70] DIA .376[9.55] .062[1.57] .038[.965] .500[12.70] DIA .670[17.02] .560[14.22] 641 MOUNTING HOLE 2 1 .500[12.70] DIA .125[3.17] DIA WITH KEYWAY 2 WITH LOCKING RING 1 0 SERIES BUSHING POLES RATING TERMINATION 641 PUSHBUTTON 1 1 2 2 0 2 5 .465 DIAMETER .562 LENGTH SINGLE DOUBLE 2A 250VAC 5A 125VAC SOLDER LUG PC TERM. WIRE LEAD CIRCUIT 1 2 ON-OFF ON-ON NOTES: Shading indicates standard configurations. 68 Carlingswitch,Inc. (860) 793-9281• Carlingswitch, LTD. Int + 44 1392-364422 • Carlingswitch Asia-Pacific, LTD. Int + 852-2737-2277