Ballast / Transformer
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Philips Advance 71A55A0001D - Metal Halide Ballasts - 175 Watt - M57 - 120/277/347V
M57- 120/277/347V - Power Factor 90% - Maxmum Temperature Rating 105°C - For use with 175W Lamps
Learn More...$86.78 -
Philips Advance 71A81A2001D - High Pressure Sodium - C & C Ballasts - 150W - S55 ANSI Code - 120/277/347V
Philips Advance 71A81A2001D - High Pressure Sodium - C & C Ballasts - 150W - S55 ANSI Code - 120/277/347V - 90% Power Fact - HX-HPF Circuit Type - 2 Feet Ballast to Lamp Distance - 105°C Temp Rating
Learn More...$94.13