Damar 01047C M250U/4K 250W Metal Halide BT28 4000K E39 Base

Identification & Application

The Damar 01047C is a 250W metal halide lamp specified as M250U/4K in a BT28 bulb configuration with a 4000K color temperature and E39 mogul base. It is designed for use in high intensity discharge luminaires rated for 250W metal halide operation. This lamp requires a compatible metal halide ballast as specified by the fixture manufacturer. It is intended for high bay, area, and industrial lighting applications requiring neutral white output. Verify ballast compatibility, fixture rating, and operating position before installation.

Technical Performance Specifications

• Brand: Damar
• SKU: 01047C
• MPN: M250U/4K
• Product Type: Metal Halide Lamp
• Installation Type: Screw-in lamp for HID luminaires with E39 mogul sockets
• Electrical: 250W, requires compatible metal halide ballast
• Optical: 4000K, Typical (not manufacturer documented): 18000-23000 lm
• Base Type: E39 Mogul
• Mechanical: BT28 bulb shape, universal burn position (U)
• Lifecycle: average life 20,000 hr
• Documentation: See manufacturer spec sheet for additional details

Application Guidance

Use in luminaires rated for 250W metal halide lamps with E39 mogul sockets. Ensure the ballast type matches the M250U/4K electrical requirements before installation. De-energize the circuit and allow the existing lamp to cool prior to replacement. Install by threading the base securely into the socket without over-tightening. Follow all applicable safety and disposal regulations for HID lamps.