Circuit Breaker Accessories

Siemens FD Series circuit breakers are ideal for industrial switchboards, as well as lighting & control panels for protection against current surges & overloads. These UL-listed circuit breakers feature thermal magnetic trip for long time and instantaneous trip functions during severe short circuit conditions while avoiding nuisance tripping in mild fluctuations. They come equipped with line & load lug terminals ensuring hassle-free wiring arrangement and provide support against extreme vibration. Sentron Series circuit breakers are available in current ratings ranging from 70 to 250A on Raptor Supplies.

Siemens MD Series circuit breaker trip units are designed for protecting electrical appliances and are used in conjunction with branch circuit protection while connected with external devices. These Sentron Series trip units feature a thermal-magnetic, non-interchangeable trip overriding mild overloads while instantly reacting to severe current spikes for maximum current limiting protection. They are suitable for use with Siemens MD & HMD molded case circuit breakers for maximum efficiency. These trip units feature a 3 pole design with MD-T type frame for added versatility and are voltage rated at 600V. MD Series trip units are available in current ratings ranging between 500A & 800A on Raptor Supplies.

Siemens RD Series circuit breaker trip unit are designed to facilitate both low and high interrupting capacity requirements for the protection of industrial equipment. These devices are suitable for use with RD and HRD Series molded case circuit breakers and feature a thermal-magnetic trip unit providing long-time and instantaneous current limiting functions against overloads or short-circuit conditions. Choose from a wide range of these trip units available in 1600, 1800 and 2000A current ratings on Raptor Supplies.