MAIN CHARACTERISTICS product or component type RESISTANCE BRAKING UNIT ATV61 range compatibility ALTIVAR 61 maximum braking power 420 KW product compatibility ATV61HC25N4 thermal losses 550 W activation threshold 785 V DC + - 1 PT permanent braking power 200 KW AT 400 V AT CONSTANT POWER AND AT ENGAGE THRESHOLD protection type INTEGRATED THERMAL PROTECTION BY THERMAL PROBE minimum resistor value to associate 1.05 OHM COMPLEMETARY CHARACTERISTICS electrical connection CABLE BETWEEN DRIVE AND BRAKING UNIT maximum DC bus voltage 850 V load factor 0.05 FOR 420 KW AT CONSTANT POWER AND AT ENGAGE THRESHOLD cycle time