3VA5170-4EF41-0AA0 SIEMENS

The 3VA5170-4EF41-0AA0 is a robust 4-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This UL-listed breaker falls under frame size 125 and boasts a breaking capacity class S, capable of interrupting fault currents up to 25kA at 480V. Equipped with a TM240 trip unit, it offers adjustable thermal-magnetic (ATAM) protection. The rated current (In) is 70A, with an adjustable overload protection range (Ir) from 56A to 70A, allowing for fine-tuning to specific load requirements. The short-circuit protection (Ii) is set at 5 to 10 times the rated current, ensuring rapid response to high-fault conditions. This model features an unprotected neutral (N) conductor without a connection, suitable for systems where neutral protection is not required. Its robust construction and precise protection characteristics make it a dependable choice for safeguarding electrical circuits. It adheres to stringent quality standards, ensuring long-term performance and safety. This circuit breaker is ideal for applications demanding reliable and adjustable overcurrent protection.