Siemens 3VA1450-5EF42-0AA0

The 3VA14 4P circuit breaker provides critical protection for electrical circuits with a rated current of 500A and a short-circuit breaking capacity of 55kA at 415V. Designed for line protection, this molded case circuit breaker features a thermal-magnetic trip unit (TM240) with adjustable overload settings from 350A to 500A and an undelayed short-circuit release adjustable up to 2500A.

With a compact design measuring 7.2 x 9.8 x 5.4 inches, it is suitable for installation in confined spaces. The breaker is equipped with a nut keeper for secure connections and boasts an IP40 protection class, ensuring it is suitable for a variety of environments. This device does not feature an integrated earth fault protection system, making it ideal for applications where external protection is provided.

Compliance with IEC standards ensures reliability, and its operational voltage range of up to 690V makes it versatile for different installations. The product is built for a mechanical service life of 20,000 cycles under typical conditions, making it a robust choice for industrial applications.