3VL7712-1SH36-0AA0 SIEMENS

The 3VL7712-1SH36-0AA0 is a high-performance circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This 3-pole circuit breaker is part of the VL1250N series, known for its standard breaking capacity. It boasts an Icu of 55kA at 415V AC, ensuring effective protection against short circuits and overloads. The breaker features an ETU22 trip unit, providing advanced protection functionalities with LSIG settings (Long-time, Short-time, Instantaneous, Ground fault). It is suitable for both 3-phase and 4-line systems, offering flexibility in various electrical configurations. The In rated current is 1250A, with an adjustable IR range of 500 to 1250A for overload protection. 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. This model does not include an auxiliary release or auxiliary/alarm switch, focusing on core circuit protection functions. A connecting cable is included for ease of installation and integration into existing systems. This circuit breaker provides robust and dependable performance for critical electrical circuits.