Blue Sea Systems 7038 187 – Series Thermal Circuit Breaker – 40A is a Blue Sea Systems circuit breaker built for branch and main circuit protection. Designed for marine environments, it supports reliable performance, clean installation, and long service life in demanding onboard electrical systems.
187 – Series Thermal Circuit Breakers – Panel Mount 40 Amp Circuit Breaker PN: 7038 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 Self-trimming case eliminates the need for mounting panels or trim bezels Round case permits easy installation with
Key specs: Voltage: 48 V DC Amperage: 40 A.
Ideal for builders, refit projects, and serious boat owners who want marine-grade electrical hardware from a trusted brand.
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