Quartz Metal Halide Lamp, Lamp Shape ED37, Base Type Mogul Screw (E39), Lamp Designation MVR400/VBU/HO, 400 WattsANSI Code M59, Color Temp. 4000K, CRI 65, Initial Lumens 41, 000, Mean Lumens 26, 500Lamp Finish Clear, Fixture Type Open, Mounting Position Vertical +/-15 Degrees , Max. Overall Length 11-1/2 In., Lamp Dia. 4-5/8 In.Average Life 20, 000 hr., Meets 2012 Lighting Legislation Energy
Metal Halide Lamps
- Lamps with UV Control have a quartz material that effectively cuts UVB and UVC radiation. The ConstantColor family of lamps show very little color shift over their life. Generally applies to PRECISE MR-16 and CMH (Ceramic Metal Halide) lamps. PulseArc lamps provide improved lumen maintenance for longer useful life and extended relamp cycles. Operate on ballasts that have igniters to help with lamp starting.