ND-G1000 HS/HI 250-1000W: Power Source:220 240V Power Frequency:50/60Hz Response Voltage:≤198V Cut Voltage: ≥170V Pulse Voltage: 4-5kv Pulse Width: ≥1uS Pulses per cycle: ≥6 Phasing position:60-90 240-270° EL Max. continuous Lamp current:12A Load capacitance:20-200pF Max. housing temperature:105°C Ambient temperature:-30 90°C Usage:250-1000W metal Halide lamps, Sodium lamps