Blue Sea Systems 187-Series Thermal Circuit Breaker – Surface Mount (40A, PN 7138)
Compact switchable circuit breaker combining switching and protection in one unit. Features a trip-free design, waterproof build, and ignition protection for safe marine use. Includes large 5/16" terminals, clear lever operation, and recessed mounts for a clean finish.
Specs:
- Type III Manual Reset (Trip Free)
- 48V DC max, 5,000A interrupt @12V
- Thermoset polyester case
- Operating range: -25°C to +82°C
⚠️ Contains DEHP – may cause cancer or reproductive harm (P65Warnings.ca.gov).