3VL5731-3DC36-0AA0 SIEMENS

The 3VL5731-3DC36-0AA0 is a robust 3-pole circuit breaker from Siemens, designed for line protection in electrical systems. It belongs to the VL630L series, known for its very high breaking capacity, ensuring reliable performance in demanding applications. This circuit breaker is engineered to handle an ultimate short-circuit breaking capacity (Icu) of 100kA at 415V AC. The trip unit TM provides comprehensive protection features, including adjustable overload protection with a rated current (Ir) range of 250 to 315A. The In=315A indicates the nominal current. It also offers short-circuit protection with an instantaneous trip setting (Ii) adjustable from 1575 to 3150A. This allows for precise coordination with other protective devices in the system. The breaker is equipped without an auxiliary release and lacks auxiliary/alarm switches, simplifying installation and reducing potential points of failure. Its primary function is to safeguard electrical circuits from overloads and short circuits, preventing damage to equipment and minimizing downtime. The 3VL5731-3DC36-0AA0 is suitable for use in a variety of industrial and commercial applications where high fault currents are a concern, providing a dependable solution for circuit protection.