Front withdrawable unit for VA 57-39 and VA 51-39 Contactor 4000015 Contactor (IEK group)

The withdrawal unit is designed for equipping circuit breakers installed in Main Switchboards (MSB), Input-Distribution Boards (IDB), and Distribution Boards (DB). It is necessary for placing the circuit breaker in the test position or for quick removal for maintenance or replacement. It is indispensable for creating a visible gap in the electrical circuit in the absence of other guaranteed disconnection devices for performing repair and preventive maintenance work.