Install Bay CB150MR 150 Amp Manual Reset Circuit Breaker Waterproof Type III

The Install Bay CB150MR is a 150-amp Type III manual reset circuit breaker engineered for high-current auxiliary and accessory circuits in trucks, buses, RVs, and marine applications. Built with a waterproof, sealed housing, it delivers reliable overcurrent protection without the hassle of replacing blown fuses.

When a fault or short circuit occurs, the breaker trips instantly to protect connected electronics and wiring. Resetting is simple — just return the lever to its normal position to restore power. A push-to-trip button also allows manual disconnection of the circuit at any time, making it useful as a manual disconnect switch.

Key Features:

• 150-amp rating — ideal for high-powered audio systems, trolling motors, lighting systems, and battery charging circuits
• Type III manual reset — requires a deliberate reset action after tripping for added safety
• Waterproof, sealed housing — rated for engine compartment and wet area installations
• Flush mount design with push-to-trip button for convenient manual disconnect
• 42 Vdc rated — compatible with 12V and 24V DC electrical systems
• 1/4-28 threaded studs with SEMS nuts installed — accepts ring terminals or bare wire
• SAE J1171 compliant — meets the ignition protection standard for marine and fume-prone environments
• Suitable for battery isolator and multi-battery charging system installations
• Sold individually (each)

The CB150MR is the reliable choice for protecting high-amperage circuits during car audio installs, marine wiring projects, and RV electrical system builds. Its compact form factor and straightforward mounting make it a go-to component for professional installers and serious DIYers alike.