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: 40000 hours (50 percent survival)
- Dimensions: 9.75 in Length x 2.24 in Diameter
- ANSI Code: S51/O
Additional Features
Non-Cycling Design
- Stays off at end of life instead of cycling on and off
- Makes outages easier to identify
- Reduces ignitor wear and stress
Enhanced Performance
- 15 percent higher maintained light output
- Eliminates voltage rise issues
- Same warm-up and restrike time as standard HPS
Eco-Friendly Design
- 90 percent less mercury than traditional HPS lamps
- Lead-free base rated up to 250 degrees Celsius
- Directly replaces standard HPS lamps
Performance Comparison
Feature | Lumalux Plus | Standard HPS |
---|---|---|
Rated Life | 40000 hours | 24000 hours |
Maintained Lumens | 15 percent higher | Standard |
End-of-Life Behavior | Stays off | Cycles on and off |
Mercury Content | 90 percent less | Standard |
Installation Requirements
- Requires 4000V pulse-rated sockets (standard sockets not sufficient)
- Must be used 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 percent survival at 24000 hours
- 50 percent survival at 40000 hours</l