Siemens 3VA1120-5ED16-0AA0

The 3VA11 series circuit breaker is designed for low voltage applications and conforms to IEC standards. This model features a thermal-magnetic trip unit and is rated for 20A with a breaking capacity of 55kA at 240V, classified under medium breaking capacity (Class M). The device is equipped with a fixed overload protection setting of 20A and a short-circuit protection setting of 16 times the nominal current. Notably, it utilizes a box terminal connection with a steel wrap-around lug, ensuring reliable connectivity.

In terms of construction, the unit is designed as a built-in device with a fixed installation technique. The dimensions are compact, measuring 1 x 5.1 x 3.5 inches. It is rated for a permanent current of 20A and can operate at a voltage of up to 415V. The degree of protection is IP40, which provides adequate protection against dust and water ingress. It is important to note that this model does not include integrated earth fault protection or under-voltage release.