3VA5450-0MH31-0AA0 SIEMENS

The 3VA5450-0MH31-0AA0 is a robust 3-pole molded case circuit breaker from Siemens, designed for motor starter protection within a 600 frame. This circuit breaker offers reliable short circuit protection with an Ii setting of 6 to 12 times the rated current (In). The rated current (In) for this device is 500A, making it suitable for high-current applications. It features a TM120M trip unit specifically configured for motor starter protection applications. Notably, this model does not include overload protection, focusing solely on short circuit interruption. The absence of overload protection necessitates the use of separate overload relays or other protective devices to ensure comprehensive motor protection. This circuit breaker is designed without connection terminals, providing flexibility in choosing appropriate connection methods based on specific installation requirements. Compliant with UL standards, the 3VA5450-0MH31-0AA0 ensures safety and performance in demanding industrial environments. Its robust construction and precise engineering guarantee a long service life and reliable operation.