3VA5102-1MU31-0AA0 SIEMENS

The 3VA5102-1MU31-0AA0 is a 3VA5 UL frame circuit breaker from Siemens, designed for starter protection applications. This three-pole circuit breaker has a frame size of 125A and is equipped with a TM120M trip unit. The TM120M trip unit provides AM (instantaneous magnetic) protection with a rated current (In) of 2A. It offers short-circuit protection with an instantaneous tripping current (Ii) adjustable from 3 to 7 times the rated current (In). This circuit breaker is specifically designed without overload protection, focusing solely on short-circuit interruption. The 3VA5102-1MU31-0AA0 does not include connection terminals, allowing for flexible wiring configurations based on specific application requirements. It is suitable for use in UL-listed systems and provides reliable protection against short circuits in motor starter circuits. Its compact design and robust construction ensure long-lasting performance in demanding industrial environments. This circuit breaker is ideal for applications where fast and reliable short-circuit protection is critical to prevent equipment damage and downtime.