3VA5150-4EC31-0AA0 SIEMENS

The 3VA5150-4EC31-0AA0 is a robust 3-pole circuit breaker from Siemens, designed for reliable line protection in various electrical systems. It falls under the 3VA5 UL frame series, indicating its compliance with UL standards for safety and performance. This circuit breaker has a frame size of 125, making it suitable for applications requiring moderate current handling capabilities. With a breaking capacity class S, it can effectively interrupt fault currents up to 25kA at 480V, ensuring the safety of downstream equipment and personnel. The TM230 trip unit provides thermal-magnetic protection, offering both overload and short-circuit protection. The overload protection is fixed at Ir=50A, providing consistent protection against sustained overcurrents. The short-circuit protection is adjustable, ranging from 5 to 10 times the rated current (In=50A), allowing for customization based on specific application requirements. This circuit breaker is designed without connection terminals, offering flexibility in installation and connection methods. It is ideal for use in industrial, commercial, and residential applications where reliable circuit protection is essential. Siemens' commitment to quality and innovation ensures that this circuit breaker delivers dependable performance and long-lasting durability.