It is used in specialised laboratories for testing power relays (distance relays, directional relays, voltage-operated relays, current relays, hysteresis when direct current relays are switched on and off).
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. Anticorrosive plating by dyeing.