Power Supply Requirement:Power requirements: Power capacity: 50 KVA; Input voltage: 380/400 VAC; Voltage variation: ±10%; 3-phase imbalance: less than 5%; Frequency: 50/60 Hz ± 1 Hz; Ground resistance: ≤4 Ω (specialized grounding), ≤1 Ω (grounding system).
Refer catalogue for more information