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Waterproof, High Amperage Surface Mount Circuit Breakers


  • Combines switching and circuit breaker function in one unit
  • Compact size and surface mount configuration protects high amperage circuits at virtually any location: ideal for windlass, bow thrusters, high power feeds to distribution panels in boat and trucks
  • Trip delay curve accommodates high surge amperage for motor start
  • Push to disconnect button de-energizes circuit for maintenance
  • Latch arm resets breaker after overload, but cannot be held in “ON” position if short remains on circuit
  • 1/4” terminal studs with protective covers secure wiring
  • Waterproof – ideal for marine and truck applications
  • Ignition protected for safe use in gasoline powered applications
  • Available in clam shell retail display pack, or bulk packed 12 per case lot

Electrical Specifications

Voltage: To 42 VDC max.

Amperage Ratings: 50-80-100-120-150

Trip Sensing: Thermal

Max Interrupt Current: 3000 amps

Model Amperage
WBS-50 50A
WBS-80 80A
WBS-100 100A
WBS-120 120A
WBS-150 150A


  • High impact plastic molded case
  • Ignition Protected
  • Water Proof
  • ¼” termination studs with protective covers

Case size: 1-7/8″ W x 2-7/8″ D x 1-3/4″ H

Mounting: 2 ea. 1/4” holes, mounting hardware not provided.

Weight: .2 lbs.