Product Overview
GE MPR400/VBU/HO/O 400W Metal Halide Lamp
Model #18708 | ANSI Code M59/O
Technical Specifications
- Wattage: 400W
- Lumen Output: 40,000 Initial / 26,000 Mean
- Color Temperature: 3400K Cool White
- CRI: 65
- Base: EX39 Mogul Screw
- Dimensions: 11.5" L x 4.625" D (292mm x 117mm)
- Orientation: Vertical ±15°
- Lifespan: 20,000 hours
- Fixture Rating: Open/Enclosed
Recommended Ballasts
- GE M40048TAC4-5 (86803)
- GE M400MLTAA4-5 (72149)
- GE M400ML5AC4-55 (71703)
- GE MH400MVA-F (63052)
- GE M400TRIAC4-5 (78523)
Critical Safety Protocols
- Always de-energize circuit before servicing
- Requires UV-protected enclosed fixtures
- Maintain 3ft clearance from combustible materials
- Immediately replace cracked or scratched bulbs
- Never exceed 400W rating
Key Features
- Protected ED37 clear arc tube design
- High-output multi-vapor technology
- Vertical operation tolerance (±15°)
- Optimal for 40ft+ mounting heights