The stall is used in PRAM laboratories for testing the power relays (switching relays, directional relays, voltage relays, current relays, histeresis switch on/off direct current relays).
Supply voltage: 3x380Vac +10% / -15% ,50Hz Output voltage: 0...240Vac +10% / -15% With module adjustment and electric phasing 0...360° Output current: 0...50A Direct stabilized voltage: 0...60Vdc Direct current limiter: 2,5A Operating temperature: -25°C...+70°C.