Save $20.00
We guarantee the best price in Canada—before or 30 days after purchase.*
Lowest Price Guarantee*
This product is backorderable
Sign up to get notified when it's in stock!
Product Description
Product Description
Hertz HMCB40A 40 Amp Marine-Grade Circuit Breaker
The Hertz HMCB40A 40 Amp marine-grade circuit breaker provides reliable, resettable protection for marine electrical systems. Designed specifically for marine environments, it offers a safe and reusable alternative to traditional fuses while handling the demands of high-amperage applications.
Built for long-term marine use, the HMCB40A features a manual reset function for easy troubleshooting and a 40-amp power rating for demanding systems. Its corrosion-resistant terminals and casing, along with vibration- and salt-resistant construction, help it withstand the challenging conditions found on the water.
Resettable Protection for Marine Systems
The manual reset function makes it easy to restore circuit protection after an overload while simplifying troubleshooting. Unlike a traditional fuse that needs to be replaced, the circuit breaker can be reset and reused.
Built for Marine Conditions
The HMCB40A is designed to withstand salt, shock, heat, and vibration. Its corrosion-resistant terminals and casing provide added durability for demanding marine environments.
Frequently Asked Questions
- What is the Hertz HMCB40A? The HMCB40A is a 40-amp marine-grade circuit breaker designed to provide resettable protection for marine electrical systems.
- Is the HMCB40A resettable? Yes. It features a manual reset function for easy troubleshooting and reuse.
- What is the current rating? The HMCB40A has a 40-amp current rating for high-amperage marine systems.
- Is the HMCB40A designed for marine environments? Yes. It is designed to withstand salt, shock, heat, and vibration in marine environments.
- What is the IP certification? The HMCB40A has an IP67 certification.

