High Intensity Discharge (HID) lamps require a ballast to apply starting voltage to the lamp and establish current flow an arc between the lamp electrodes. Without a ballast, the arc will extinguish or draw increasing current until some circuit element burns up. Ballasts provide system stability by limiting the current that can be drawn.
Keystone Technologies Core and Coil pulse start metal halide replacement HID ballast kits contain the appropriate core and coil, a properly rated capacitor and all components required for ballast replacement. Keystone Ballast core and coil models are ideal for a wide variety of lighting applications, including factories, warehouses, gymnasiums and retail stores.
This replacement pulse start metal halide ballast covers 4 primary input voltages commonly utilized in the United States. Keystone Ballast MPS-400A-Q-KIT, Quad Tap Metal Halide Ballasts Replacement HID Ballast Kit for 400W Pulse Start Metal Halide, Core And Coil, Circuit Type CWA, Metal Halide Lamp Type, 400 Lamp Watts, M135/M155 ANSI Ballast Type, 454 Input Watts, 120/208/240/277 Input Voltage, 60 Hz. The dimensions on this MH ballast are 4.25" Long x 1.89" Wide x 4.75" High. This Keystone Ballast carries a 2 year warranty.
The Energy Independence & Security Act of 2007 (EISA) will dramatically improve the lighting industry by increasing the energy efficiency standards of HID luminaires. Keystone Technologies has developed a comprehensive line Pulse Start Metal Halide ballasts designed to exceed the EISA requirements for maximum energy efficiency.
