Siemens 3VA5150-5EF31-0AA0

The 3VA51 frame of this molded case circuit breaker is engineered with a thermal-magnetic trip unit, offering reliable protection for electrical circuits. With a rated voltage of 690V, it is capable of handling a permanent current of 50A. The device has a medium breaking capacity (Class M) of 35kA at 480V, and an adjustable overload protection setting ranging from 40A to 50A, along with a short-circuit protection adjustment between 5 to 10 times the rated current.

This circuit breaker is designed without lugs and features dimensions of 3 x 5.5 x 3.7 inches. Although it does not include a motor drive integrated within the unit, it does allow for an optional motor drive. The product is suitable for DIN rail (top hat rail) mounting, enhancing its installation flexibility.

The device also includes a rated short-circuit breaking capacity of 55kA at 400V and an undelayed short-circuit release adjustment range of 250A, ensuring robust performance in various applications. It is constructed as a built-in device, adhering to standard protection classifications, and is not equipped with integrated earth fault protection.