The basic ballast is the open core and coil which is most often used as a component within a lighting luminaire|The core and coil also forms the nucleus of Philips Advance five other ballast configurations|17 Mfd capacitor|1.4/0.8/0.7/0.65 A input current (open circuit), 1.9/1.1/0.96/0.85 A input current (starting), 1.58 to 2.4/0.9 to 1.35/0.8 to 1.2/0.68 to 1.05 A input current (short circuit), 2.5/1.45/1.25/1.1 A input current (nominal)|4-1/4 x 4-3/4 in (2 coil) core|1-3/4 in Dia x 3-3/4 in H oval capacitor|Ballast replacement kit with dry film capacitor|UL insulation class H of 180 deg C|Constant lamp wattage for optimal color control and maximum performance|Significant energy savings can be achieved when compared to incandescent or magnetic alternatives|IntelliVolt operates on either 120 or 277 VAC or any voltage in between 50/60 Hz|Smaller and lighter weight than magnetic HID F-can ballasts|Compact footprints provides greater design flexibility|Reduced input watts compared to magnetic systems, energy savings, lower cost of ownership|Low frequency lamp operation prevents acoustic resoce in the lamp arc tube|Square wave output waveform helps maximize lamp life|Lamp EOL detection shuts down system at lamp end of life, enhanced safeguard|Thermally protected, internally fused and output short circuit protected|Lamp wattage will change less than 0.5% with a +/-10% change in-line voltage|Metallic enclosure provides enhanced capability for high ambient temperatures by transferring heat away from sensitive internal components