Automatic transfer switch series AVR-304 Dekraft; with remote control unit; 3P; rated current 250 A; breaking capacity 50kA; Uimp = 8 kV. All devices in the AVR-304 are installed in a single enclosure and provide the following functionality: automatic switching from the main source to the backup; overcurrent protection; voltage presence control; network parameter display; interlocks between inputs. The delivery set includes busbars for connecting power cables and secondary circuits.