![Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50Amp [7139] Marine Navigation & Instruments | Compasses 3](https://cdn.shopify.com/s/files/1/0594/4593/6294/products/20559XL.jpg?v=1631567952)
Pay in 4 interest-free payments of $22.00 Learn more
Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
3" x 1-1/2 on center
The most economical system for 100-300 Ampere fusing
Shape: Rectangular
Choice of 2 Degree
Easily installed in Blue Sea Systems circuit breaker panels
Blue Sea 7139 187 - Series Thermal Circuit Breaker - 50Amp [7139] Marine Navigation & Instruments | Compasses 3" x 1-1/2 on center187 Series Thermal Circuit Breakers Surface Mount 50 Amp Circuit Breaker PN: 7139 Features: Combines switching and circuit protection into a single device All components meet SAE J1171 external ignition protection requirements Clear, single lever operation "Trip Free" design cannot be held "ON" during fault current condition Waterproof Recessed mounting holes for clean appearance Large clearance around terminal studs accept heavy gauge wire lugs
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