If you want no less than the best product, you need to consider buying a Lumatek product.
Proven Technology. We have been successful in this market for many years. Our products speak for themselves. With 5 years warranty you are guaranteed to have a great return on investment.
Key Specifications/Special Features:
Electronic ballast for 150W,175W or 250W HPS or MH lamp
Voltage: 240V 50/60Hz
Current: 1.20A
Input Power: 265W
Output power: 250W
Power factor: >0.99
Voltage range: 175 to 275V
THD: <8%
Lamp CCF: <1.7
Operating frequency: high frequency
No audible noise, no flicker
Envirement temperature for full load operation: -25 to 50 °C (-13 to 122 °F)
Enclosure temperature rise: (Δt) 25 °C (77 °F)
Environment IP require: >IP23
Humidity: capable of operating in relative humidity of 0% to 90%,non-condensing.
