400W electronic ballast

400W Electronic ballast 1.CE/ROHS approved 2. high luminous effeciency 3. low power consumption 4. no strobosflash 5. main components are imported Features: 1. it makes light source work without stroboscopic. 2. by outputting a constant light source,color temperature remains stable. 3. lamp life can be extended 50% 4.power consumption decrease by10% to 20% 5.no acoustic resonance phenomenon 6. restart time is shorted by 50% Electric parameters: Power: 400W Gross power: 428W Network power: 220--240V. AV range: 198--254V DV range: 280---360V Input current: 1.8A Max Temperature of crust:75 Power factor: >0.99 Dimension: 210*95*66mm