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PHILIPS 193045 HID Ballast Quad Kit Magnetic Probe Start 1 Lamps 150 - 175 W Metal Halide Lamps M57/107 120/208/240/277 V,
Description
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's five other ballast configurations.