Product Overview
Sylvania Lumalux Plus 400W S51 High Pressure Sodium Lamp
Specifications
- Wattage: 400W
- Base: E39 Mogul Screw
- Color Temperature: 2100K (Warm White)
- Rated Life: 40,000 hours (50% survival)
- Dimensions: 9.75" L × 2.24" Diameter
- ANSI Code: S51/O
- Packaging: 20/Case
Additional Features
Non-Cycling Design
- Stays off at end-of-life instead of cycling on/off
- Simplifies outage identification
- Reduces stress on ignitors
Enhanced Performance
- 15% higher maintained light output
- Eliminates voltage rise issues
- Same warm-up/restrike as standard HPS
Eco-Friendly Design
- 90% less mercury than standard HPS
- Lead-free base withstands 250°C
- Direct replacement for standard HPS lamps
Performance Comparison
| Feature | Lumalux Plus | Standard HPS |
|---|---|---|
| Rated Life | 40,000 hours | 24,000 hours |
| Maintained Lumens | 15% higher | Standard |
| End-of-Life Behavior | Stays off | Cycles on/off |
| Mercury Content | 90% less | Standard |
Installation Requirements
- Requires 4000V pulse-rated sockets - Standard sockets not sufficient
- Must use with ANSI S51 ballast
- Enclosed fixtures only (UL 1598 compliant)
- Allow 15-minute cooldown before handling
Recommended Applications
- Highway and roadway lighting
- Industrial complex illumination
- Large parking facilities
- Shipping yard lighting
- Airport tarmac lighting
Lifespan Information
- 85% survival at 24,000 hours
- 50% survival at 40,000 hours
- 65% longer life than standard HPS lamps
- Same initial lumens as standard HPS
Replacement & Compatibility
- Direct replacement for standard 400W HPS lamps
- Operates on ballasts of similar wattage
- Replacement ballasts and sockets available
