Plusrite MS320/ED28/PS/U/4K – 320W Pulse Start Metal Halide Bulb Replacement

ED28 Pulse Start Metal Halide Lamp | 320W | ANSI M132/M154 | 4200K Cool White

The Plusrite MS320/ED28/PS/U/4K is a pulse start metal halide lamp engineered for high-output commercial and industrial lighting systems operating on ANSI M132 or M154 ballasts. Producing 32,000 lumens at a 4200K cool white color temperature, this ED28 lamp is designed for applications where uniform illumination, reliable ignition, and consistent performance are required. The enclosed ED28 envelope and E39 mogul base support installation in a wide range of existing HID fixtures with universal burning orientation.

Product Specifications

• Brand: Plusrite
• Model Number: 1578 MS320/ED28/PS/U/4K
• Order Code: 1578
• Lamp Technology: Pulse Start Metal Halide
• ANSI Ballast Compatibility: M132 / M154
• Nominal Wattage: 320W
• System Application: 400W Metal Halide Systems
• Lumen Output: 32,000 lumens
• Color Temperature: 4200K
• Color Appearance: Cool White
• Color Rendering Index: 65 CRI
• Base: E39 Mogul
• Bulb Shape: ED28
• Operating Position: Universal
• Rated Life: 20,000 hours

Benefits

• Designed for pulse start HID systems requiring ANSI M132 or M154 compatibility
• Stable ignition and light output in demanding commercial environments
• Enclosed ED28 construction supports consistent thermal performance
• Universal burn orientation simplifies fixture installation and replacement

Applications

• Industrial high-bay and low-bay fixtures
• Warehouses and logistics facilities
• Manufacturing plants
• Sports facilities and gymnasiums
• Exterior area and site lighting systems

Disclaimer

• This lamp must be operated on a compatible ANSI M132 or M154 pulse start metal halide ballast.
• This product typically ships in 2 to 3 business days. Larger quantities may require additional lead time. All lead times are estimates, and you will be notified if fulfillment exceeds 5 business days.