3VA5210-5EC31-1AA0 SIEMENS

The 3VA5210-5EC31-1AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in industrial and commercial applications. This UL 489 listed breaker falls under frame size 250 and boasts a breaking capacity class M, capable of interrupting fault currents up to 35kA at 480V. Equipped with a TM230 trip unit, it provides comprehensive protection against overload and short-circuit conditions. The overload protection (Ir) is fixed at 100A, ensuring precise response to sustained overcurrents. The short-circuit protection (Ii) is adjustable between 5 to 10 times the rated current (In=100A), offering flexibility to match specific application requirements. This model is specifically designed and approved for SB (naval) applications, indicating its suitability for demanding marine environments. It is rated for operation up to 50 degrees Celsius without derating, ensuring consistent performance in elevated temperature conditions. Note that this circuit breaker is supplied without connection terminals, allowing for customized wiring solutions based on the installation needs. This feature-rich circuit breaker provides reliable and adaptable protection for a wide range of electrical systems.