We are a DB Link authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The DB Link NCB300A 300 Amp Surface-Mount Circuit Breaker delivers reliable overcurrent protection for 12–32V DC systems, even in extreme conditions. Engineered with an IP67 element rating, it is fully sealed against dust and can resist temporary water immersion—ideal for marine, automotive, and off-road use. Its wide operating temperature range of -25° F to 180° F ensures dependable performance in both hot and cold climates.
Designed for quick and efficient integration, the NCB300A features a terminal-free connection that simplifies wiring by eliminating the need for additional connectors. The surface-mount layout allows for direct installation on flat surfaces, while the included protective terminal cover shields components from accidental contact and debris. With a built-in manual reset and push-to-trip test button, users can easily reset or test the breaker without removing it from the system—streamlining maintenance and improving system reliability.
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We are a DB Link authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The DB Link NCB300A 300 Amp Surface-Mount Circuit Breaker delivers reliable overcurrent protection for 12–32V DC systems, even in extreme conditions. Engineered with an IP67 element rating, it is fully sealed against dust and can resist temporary water immersion—ideal for marine, automotive, and off-road use. Its wide operating temperature range of -25° F to 180° F ensures dependable performance in both hot and cold climates.
Designed for quick and efficient integration, the NCB300A features a terminal-free connection that simplifies wiring by eliminating the need for additional connectors. The surface-mount layout allows for direct installation on flat surfaces, while the included protective terminal cover shields components from accidental contact and debris. With a built-in manual reset and push-to-trip test button, users can easily reset or test the breaker without removing it from the system—streamlining maintenance and improving system reliability.
