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RS Breakers & Controls carries a full range of new, used-tested, and hard-to-find DC circuit breakers for solar, battery storage, electric vehicle charging, and industrial DC distribution. Our inventory of circuit breakers spans all major manufacturers and voltage classes. All previously used units are tested to ANSI and CSA standards with a detailed test report and full 2-year warranty.
DC circuit breakers are specifically designed and rated to interrupt direct current, which presents unique challenges compared to alternating current. Unlike AC circuit breakers where the current naturally passes through zero 120 times per second, DC circuit breakers must force the arc to extinguish through specialized arc chute designs and magnetic blowout coils. These circuit breakers are essential in photovoltaic solar arrays, battery energy storage systems, and EV charging infrastructure.
As DC power systems become more prevalent, the demand for properly rated DC circuit breakers continues to increase. RS Breakers & Controls stocks DC-rated circuit breakers across all major manufacturers and voltage classes.
Selecting the correct DC circuit breaker requires careful attention to voltage rating, polarity configuration, and interrupting capacity — specifications that differ significantly from AC circuit breakers. Our technical team has the expertise to help.
Contact RS Breakers & Controls at sales@rsbreakers.com or call 905-501-1510. We ship from our Mississauga, Saskatoon, and Calgary warehouses.