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Halco 55174 is an electromagnetic 250W constant-wattage circuit (CWA) pulse start ballast kit designed for MH250 pulse start metal halide lamps (ANSI M138). The 5-tap ballast supports multiple input voltages (120, 208, 240, 277, 480 V) and supplies a single lamp for commercial and industrial fixtures. The kit provides regulated lamp current for consistent lamp operation and ignition via pulse start technology.
250W electromagnetic CWA pulse start ballast kit for MH250 (ANSI M138) with 5-tap input (120â480 V) for single-lamp commercial and industrial fixtures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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