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Metal Halide Ballast Cross Reference:
Advance Ballast 71A5750-001D
Sylvania Ballast M250/MULTI-KIT
Universal Ballast M250ML5AC3M-500K
Howard M0250-81C-211-K
Sola E-871-WDD-251
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.
Core and Coil metal halide HID ballasts are used in over 90% of all HID lighting. Replacement ballast kits contain the appropriate core and coil, a properly rated capacitor and all components required for ballast replacement. The Keystone Ballast, core and coil, HID ballast kit is ideal for a wide variety of lighting applications, including factories, warehouses, gymnasiums and retail stores.
Keystone Ballast MH-250A-P-KIT, 250 watt ballast transformer, 5-Tap, replacement metal halide ballasts for 250W Metal Halide, Core And Coil, Circuit Type CWA, Metal Halide Lamp Type, 250 Lamp Watts, M58/H37 ANSI Ballast Type, 280 Input Watts, 120/208/240/277/480 Input Voltage, 60 Hz. The dimensions on this MH ballast are 4.30" Long x 1.65" Wide x 4.80" High. This Keystone Ballast carries a 2 year warranty.
Note: These MH-250A-P-KIT lighting ballasts are also valid replacement HID kits for 250 watt mercury vapor light fixtures. Also rated as an ANSI code H37 ballast, this UL listed ballast serves multiple applications.
| Voltage | 120/208/240/277/480 Volt |
| Wattage | 250 Watts |
| ANSI Type | M58 or H37 |
| Circuit Type | CWA |
| Capacitor | 15mF - 400V - 90C |
| Dimensions | 4.30" L x 1.65" W x 4.80" H |
| Warranty | 2 Year Limited |
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