Description
Protected Metal Halide Light Bulbs
The Plusrite MP250/BT28/BU/4K is a 250W protected metal halide lamp built for reliable performance in both open and enclosed commercial fixtures. Designed for base-up burning, this BT28 bulb delivers a crisp 4200K cool white light output and is rated for an impressive 10,000 hours of average life — making it a dependable choice for retail, warehouse, and industrial high-bay applications. Its M58/O ANSI ballast compatibility and E39 Mogul base provide broad fixture compatibility, while the protected construction adds an extra layer of safety in demanding environments. Cross-referenced across major brands for straightforward sourcing and replacement.





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