Product Overview
Sylvania 64578 MS250PS-BU Metalarc Pulse Start 250W Quartz Metal Halide BT28 Clear Lamp
Technical Specifications
- Order Code: 64578 (MS250PS-BU)
- Wattage: 250 Watts
- Bulb Shape: BT28 (Clear)
- Base Type: E39 Mogul Screw-in
- Burn Position: Base-Up (BU) Dedicated
- Color Temperature: 4200K (Cool White)
- Color Rendering Index (CRI): 65
- ANSI Codes: M153/E, M138/E
- Rated Life: 15,000 Hours
- Dimensions: 8.31" MOL x 3.5" Diameter
Performance Benefits
Sylvania Metalarc Pulse Start lamps feature an advanced arc tube design that outperforms standard probe start lamps. Benefits include:
- Superior Lumen Maintenance: Maintained light levels can be up to 30% higher than standard lamps.
- Extended Life: Up to double the rated life of standard metal halide lamps.
- Improved Color Consistency: Reduces color temperature shift by as much as 400K over the life of the bulb.
- Faster Warm-up & Restrike: Reaches 90% full light output faster and reduces hot restrike time by up to 60%.
Application & Safety Information
- Enclosed Fixtures Only: Classified as "E-Type," this lamp must only be used in suitably enclosed luminaires.
- Socket Requirement: Use only with 4000V pulse-rated sockets.
- Ideal Use: Perfect for high-ceiling commercial or industrial lighting environments.
