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

Identification & Use

This high intensity discharge metal halide lamp installs into E39 mogul lampholders and operates in metal halide luminaires using compatible MH ballasts and ignitors. It is used in high bay fixtures, canopy lighting, and exterior commercial lighting systems requiring neutral white HID illumination.

Fit & Electrical Compatibility

• Lamp Type: Probe start metal halide HID
• Base: E39 mogul screw base
• Wattage Rating: 250W ballast matched operation
• Ballast Requirement: Requires compatible metal halide ballast
• Voltage Source: Operates from HID ballast output only
• Incompatible Fixtures: Not compatible with high pressure sodium or LED systems
• Orientation: Must follow fixture rated burn position

Technical Performance Specifications

• Wattage: 250 watts
• Lamp Shape: BT28
• Color Temperature: 4000K
• Base Type: E39 mogul
• Light Source: Metal halide arc tube
• Start Method: Probe start ignition
• Operating Type: HID discharge lamp
• Application: Industrial and outdoor lighting
• Mounting Orientation: Fixture specified burn position
• Warm-Up: Requires warm-up and restrike time

Fixture / Application Type

Used in high bay fixtures, canopy luminaires, and outdoor floodlights designed for 250W metal halide lamps.

System Matching / Replacement Reference

Replaces standard 250W probe start metal halide lamps in existing HID lighting systems using matched ballasts.

Installation Requirements

Requires compatible 250W metal halide ballast and E39 mogul lampholder inside an enclosed or rated outdoor luminaire per electrical code requirements.

Final Application Guidance

Install only in compatible metal halide fixtures and verify socket type, ballast type, and burn position before energizing.