3VL7712-1UM36-0AA0 SIEMENS

The 3VL7712-1UM36-0AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This VL1250N model boasts a standard breaking capacity of Icu=55kA at 415V AC, ensuring effective protection against overcurrents and short circuits. Equipped with an LCD ETU42 trip unit, it offers advanced monitoring and control capabilities. The ETU42 provides LSIG (Long-time, Short-time, Instantaneous, Ground fault) protection functions, configurable for both 3-phase and 4-line systems. The circuit breaker has a rated current of In=1250A and an adjustable overload protection range of IR=500...1250A. The short-circuit protection (ISD) can be set from 1.5 to 9 times the IR value, while the instantaneous short-circuit protection (II) is fixed at 10 times the IN value. This model does not include an auxiliary release or auxiliary/alarm switch, focusing on core circuit protection functionalities. A connecting cable is included for ease of installation. This Siemens circuit breaker provides a comprehensive and dependable solution for safeguarding electrical systems.