3VL3720-1MG36-0AA0 SIEMENS

The 3VL3720-1MG36-0AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This VL250N series breaker boasts a standard breaking capacity of Icu=55kA at 415V AC, ensuring effective protection against overcurrents and short circuits. Equipped with an Electronic Trip Unit ETU22, it offers precise and adjustable protection characteristics. The ETU22 provides LSIG functionality, encompassing overload protection (L), short-circuit protection with adjustable time delay (S), instantaneous short-circuit protection (I), and ground fault protection (G), catering to diverse system requirements. The breaker is configured for 3 phases/3 lines systems, with a rated current In=200A. The overload protection (IR) is adjustable from 80A to 200A, allowing for fine-tuning to match specific load demands. The short-circuit protection (ISD) can be set from 1.5 to 10 times the IR value, while the instantaneous short-circuit protection (II) is fixed at 11 times the IN value. This model does not include an auxiliary release but is communication-capable via the ETU, enabling remote monitoring and control. It does not include auxiliary or alarm switches, focusing on core protection functionalities. The 3VL3720-1MG36-0AA0 provides a dependable solution for safeguarding electrical systems and equipment.