A three-phase automatic relay test set AC voltage range- 0-300V AC voltage power: :Single phase >30VA/phase (rated voltage), maximum output power >100VA; all voltage phases can be loaded and output at the same time AC current range: :(0～35)A, multi-phase parallel output is possible AC current power 0.5A : The maximum load is greater than 18.0Ω; 30A : The maximum load is greater than 0.30Ω (satisfying all secondary CT loads of relay protection). All current phases can be loaded and output at the same time. Output frequency Range: 10-1000Hz; Resolution: 0.001 Hz Error: 10 Hz＜f≤65 Hz, not exceeding ±0.001 Hz; 65 Hz Open input amount Quantity: 8 pairs; input characteristics (0~250VDC) or empty contact (automatic identification) Output (software control) Quantity: 6 pairs; Type: 2 pairs of empty contacts regardless of polarity (electrical isolation) 4 pairs of fast-opening contacts (response time <100μs) DC capacity: Vmax: 250VDC/Imax: 0.3A Box size and weight Overall machine weight: 15.8 kg Overall machine size: 390mm×200mm×380mm (length×width×height) Supplier of a three-phase automatic relay test set.