Molded Case Circuit Breakers (R Frame)

R-Frame molded case circuit breakers from Square D by Schneider Electric are part of the PowerPact product family and are designed to provide dependable electrical protection in industrial and commercial applications with high current demands. RSP Supply carries a full selection of R-Frame MCCBs built to protect power distribution systems from overloads and short-circuit conditions in demanding environments.
The R-Frame designation originates from earlier round-style breaker designs, though modern R-Frame circuit breakers now feature a compact rectangular housing. Despite the design evolution, these breakers retain the same heavy-duty performance characteristics. They are engineered using high-quality materials and internal components to ensure long service life, consistent operation, and minimal maintenance requirements.
Square D R-Frame PowerPact breakers are commonly installed in switchgear, motor control centers, and building electrical distribution systems. Their rugged construction allows them to operate reliably in harsh industrial settings where durability, safety, and uninterrupted power protection are essential.
FAQs
Q: What are R-Frame molded case circuit breakers used for?
R-Frame molded case circuit breakers are used to protect industrial and commercial electrical systems from overloads and short-circuit faults in high-current applications.
Q: What does the R-Frame designation mean?
The R-Frame designation originated from older round-form breaker designs. Modern R-Frame breakers use rectangular housings while maintaining the same performance classification.
Q: What type of protection do R-Frame circuit breakers provide?
R-Frame circuit breakers typically use thermal-magnetic protection, combining magnetic response for short circuits with thermal protection for sustained overcurrent conditions.
Q: Are R-Frame breakers suitable for harsh environments?
Yes, Square D R-Frame PowerPact breakers are designed with durable materials and robust components for reliable operation in harsh and demanding industrial environments.
Q: Where are R-Frame molded case circuit breakers commonly installed?
They are commonly installed in switchgear, motor control centers, and electrical distribution panels in industrial facilities and commercial buildings.
Why Buy R-Frame Molded Case Circuit Breakers from RSP Supply
RSP Supply offers a comprehensive lineup of Square D R-Frame molded case circuit breakers from Schneider Electric’s PowerPact series. Our inventory supports high-current industrial and commercial applications that require durable, long-lasting circuit protection. Customers rely on RSP Supply for knowledgeable technical support, dependable sourcing, and electrical protection solutions designed for safe and reliable power distribution.