3VL3720-1SH36-0AA0 SIEMENS

The 3VL3720-1SH36-0AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in electrical systems. It falls under the VL250N series, indicating a standard breaking capacity suitable for various industrial and commercial applications. This circuit breaker boasts an Icu (ultimate breaking capacity) of 55kA at 415V AC, ensuring effective interruption of high fault currents. The Electronic Trip Unit ETU22 provides advanced protection features, including LSIG (Long-time, Short-time, Instantaneous, Ground fault) settings, configurable for 3 phases/4 lines systems. The rated current (In) is 200A, while the overload protection (IR) can be adjusted from 80A to 200A, offering flexibility in adapting to specific load requirements. The short-circuit protection (ISD) is adjustable from 1.5 to 10 times the IR setting, and the instantaneous short-circuit protection (II) is fixed at 11 times the In setting. 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 circuit breaker is well-suited for applications demanding dependable overcurrent and short-circuit protection.