3VA5140-5EF41-0AA0 SIEMENS

The 3VA5140-5EF41-0AA0 is a robust 4-pole circuit breaker from Siemens, designed for line protection in industrial and commercial applications. This UL-listed breaker falls under frame size 125 and boasts a breaking capacity class M, capable of interrupting fault currents up to 35kA at 480V. Equipped with a TM240 trip unit, it offers advanced tripping characteristics for enhanced protection. The ATAM (Adjustable Thermal-Magnetic) functionality allows for precise customization of protection settings. The rated current (In) is 40A, with an adjustable overload protection range (Ir) from 32A to 40A. Short-circuit protection (Ii) is configurable between 5 to 10 times the rated current, providing adaptable response to various fault conditions. Notably, this model features an unprotected neutral (N) conductor without a connection, simplifying installation in specific system configurations. This circuit breaker ensures reliable and efficient protection against overloads and short circuits, contributing to the safety and uptime of electrical systems. Its adjustable settings and high breaking capacity make it suitable for demanding applications.