Bussmann CB187F100 100 Amp Marine Circuit Breaker 48V DC Waterproof

The Bussmann CB187F100 is a heavy-duty marine circuit breaker designed to protect electrical systems in harsh marine environments. This high-amp breaker provides reliable overcurrent protection for boats, yachts, and other marine vessels operating on 48-volt DC electrical systems.

Key Features:

• 100 amp current rating for high-demand marine electrical circuits
• 48 volt DC rated for compatibility with marine electrical systems
• Waterproof construction withstands moisture, spray, and harsh marine conditions
• Manual reset design allows easy resetting after tripping without replacement
• Surface mount configuration for flexible installation options
• Ignition protected for safe use in engine compartments and fuel areas

The CB187 series circuit breakers feature thermal-magnetic trip technology that provides fast, reliable protection against both overloads and short circuits. The waterproof housing meets marine environmental standards, making this breaker ideal for applications including battery management systems, inverter circuits, thruster motors, windlass systems, and other high-current marine equipment. The manual reset button provides a clear visual indication when the breaker has tripped and allows for quick reset without tools.