Sierra CB50550 Resettable Circuit Breaker 50 Amp Surface Mount Marine

The Sierra CB50550 is a heavy-duty 50 amp resettable circuit breaker designed for marine electrical systems. This surface-mount breaker combines circuit protection and switching functionality in one compact, ignition-protected unit suitable for below-deck boat applications.

Key Features:

• 50 amp rating for high-current marine electrical circuits
• 1/4" stainless steel studs on face for secure, corrosion-resistant mounting
• Resettable design eliminates need for fuse replacement
• Dual-function operation serves as both switch and circuit protection
• Trip-free safety feature prevents switch from being held in ON position during fault condition
• Ignition-protected design meets safety standards for below-deck marine installations
• Connected terminal boots included for weather protection
• Surface mount configuration for easy installation

This circuit breaker provides reliable overcurrent protection while offering convenient manual on/off switching capability. The trip-free mechanism ensures that if a fault occurs, the breaker will trip open regardless of switch position, providing essential safety protection for your boat's electrical system.