HID MH Digital Electronic Ballast for 250W Metal Halide Lamp
Voltage input range: 108Vac~305Vac
Rating V. In: 120/277VAC
Input frequency: 50Hz~60Hz
Power factor: >0.99
Efficiency: 95 %( Max)
THD: <10%
Output power: 250W
Current crest factor: <1.5
Output frequency: 100Hz
Protection of short circuit: Available
Protection of open circuit: Available
Protection of ignition failure: Available
Protection of thermal: Available
Protection of end of lamp life: Available
Weight: 1.8kg/3.96lb

Max. Lamp distance from ballast: 15m/49ft
Operating temperature range: -30º C~+50º C
Dimension (L X W X H): 230X108X79 (mm)/9.055X4.252X2.283 (inch)
Max case temperature (T C): 90º C
Safety and regulation: IEC61347
EMC: EN55015