3VL5731-3EM46-0AA0 SIEMENS

The 3VL5731-3EM46-0AA0 is a robust 4-pole circuit breaker from Siemens, designed for line protection in electrical systems. It is part of the VL630L series, known for its very high breaking capacity, with an ultimate short-circuit breaking capacity (Icu) of 100kA at 415V AC. This circuit breaker is equipped with a trip unit (TU), specifically the TM, LI type, offering comprehensive protection features. The rated current (In) is 315A, with an adjustable overload protection range (IR) from 250A to 315A. For short-circuit protection, the instantaneous tripping current (II) can be set between 1575A and 3150A. The neutral conductor is protected at 100%, ensuring balanced and safe operation. This model does not include an auxiliary release or auxiliary/alarm switch, focusing on core circuit protection functionalities. It provides reliable and efficient protection against overloads and short circuits in industrial and commercial applications. Siemens' commitment to quality ensures this circuit breaker delivers dependable performance and long-term durability.