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The W31 series are single pole, thermal circuit breakers with toggle actuator and series trip function. They are UL 1077 Recognized as Supplementary Protectors. File E69543, and CSA Accepted as Supplementary Protectors (Appliance Component Protectors), File LR15734.

  • 0.5 amp to 50 amp ratings may be used as on/off switch
  • Cannot be reset against overload
  • Screw termination
  • Trip-free operation
  • Silver with amp rate marking toggle switch
  • Two hex nuts/lockwasher installed mounting hardware

  • Weight: Less than 2 oz
  • Mounting: Panel mount, 15/32 in threaded bushing .320 in (8.13mm) long, double "D", silver color
  • Terminals: Two #8-32 screw terminals (90° to each other termination)
  • Dielectric Strength: Over 1,500 volts RMS

Includes hardware.

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.