Siemens 3VA4120-5ED54-0AA0

The 3VA41 1(2)P 20A 35KA Circuit Breaker is designed for low voltage applications, providing reliable protection with a thermal-magnetic trip unit. This device operates with a rated current of 20A and is configured for single pole operation, specifically suited for line protection. It has a breaking capacity of 35kA at 277V, ensuring effective circuit interruption under fault conditions.

Integrated features include fixed overload protection with an Ir setting of 20A and short-circuit protection with an Ii setting of 15 times In. The unit does not support integrated earth fault protection or under-voltage release, which simplifies its configuration for specific applications. The connection method for the main current circuit is other, and lugs are installed exclusively on the load side.

Dimensions for this circuit breaker are 2 inches in width, 5.5 inches in height, and 3.7 inches in depth, allowing for a compact installation. The device is compliant with DIN rail mounting standards and is characterized by an IP40 degree of protection, making it suitable for a variety of environments.