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SKU: 187050F-03-1

Eaton Bussmann 187 Series Marine-Rated Surface Mount Circuit Breaker – 50A

Eaton 187 Series 50A MRCB marine rated circuit breaker. Typically used in DC power systems in marine applications (as a main or branch circuit breaker), truck and bus systems, RV systems, add-on protection for accessories, lift gates, etc. External ignition protected and weatherproof.

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Series 187 Manual Reset Circuit Breakers With On/Off Switch Function.

  • Combines switching and circuit protection into a single device
  • Clear, single lever operation
  • ‘Trip Free’ design cannot be held ‘ON’ during fault current condition
  • Waterproof – IP66
  • Recessed mounting holes for clean appearance
  • Large Clearance around terminal studs accept heavy gauge wire lugs
  • Robust 5/16 M8 terminals provide high torque connections
  • Large lever with vertical/horizontal orientation provides indication of trip status
  • Ignition protected – Safe for installation aboard gasoline powered boats
  • Meets SAE J1171 external ignition protection requirements

Equivalent Models

BRAND MODEL
Blue Sea Systems 7139-BSS
EATON CB187F-50

System Voltage
24V, 12V

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Most orders placed before 1:00 PM on business days ship same day from our California warehouse. Expedited overnight and 2-day options available at checkout.

Returns & Warranty

We offer a 30-day return policy for unused items in original packaging. Manufacturer warranties apply to all products.

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