Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
Based in Canada
•
Serving USA & Canada
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Couldn't load pickup availability
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Meet the A 300A Waterproof DC Circuit Breaker — a dependable guardian for DC power systems in demanding environments. With a robust 300A rating, this breaker delivers precise overcurrent protection for panelboards, switchboards, control panels, and OEM equipment. Its waterproof construction is purpose-built for damp or outdoor installations, ensuring safe operation and reduced maintenance in challenging conditions.
Ideal for applications where dependable protection and safe operation are critical, the A 300A DC breaker shines in distribution panels and motor control centers. It’s a practical choice for industrial facilities, commercial power distributions, and OEM assemblies that demand resilience against moisture and exposure while maintaining fast, predictable current interruption.
Why this matters in real-world setups:
Practical notes for installers and engineers: choose this 300A Waterproof DC Circuit Breaker when your system requires solid DC overcurrent protection with ingress protection against moisture. Use it where panelboard or switchboard reliability is non-negotiable and where OEM equipment benefits from a rugged, weather-resistant protective device. This breaker is the focused, no-nonsense choice for safeguarding critical DC power infrastructure.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
General feedback we often hear from customers purchasing industrial electrical parts.
Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
Packaging was secure and the item arrived clean and ready for installation.
Electrical contractor · GTA
We’ve used this type on multiple jobs and it’s been reliable so far.
Panel shop · Canada/US
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
Newsletter
Blogs