Siemens 3VA2225-7HN42-0AA0

The 3VA22 circuit breaker is designed for low voltage applications, adhering to IEC standards. This device features a 4-pole configuration with a rated current of 250A and can handle a breaking capacity of 110kA at 415V, making it suitable for demanding line protection scenarios.

Equipped with an ETU350 electronic trip unit, it offers adjustable overload protection ranging from 100A to 250A. The short-circuit protection is adjustable within the range of 1.5 to 10 times the rated current, with an instantaneous trip setting of 10 times the nominal current. The device can be mounted on a DIN rail and is constructed to fit within an IP40 protection class, ensuring reliability in various environments.

Connection is facilitated via a lug terminal with a nut keeper, emphasizing ease of installation. The dimensions of the unit are 5.5 inches in width, 7.1 inches in height, and 4.2 inches in depth, which allows for efficient space utilization in control panels. This circuit breaker is a complete device with a protection unit, ensuring comprehensive safety and control in electrical systems.