Key Features
- 400W power consumption for bright, efficient lighting
- E-39 mogul base for secure installation
- Rated life of 24,000 hours for long-term reliability
- Warm 2100K color temperature for comfortable illumination
- T-bulb (tubular) design for versatile mounting
- Requires high pressure sodium ballast (sold separately)
Technical Specifications
| Specification | Value |
|---|---|
| Type | NHT 400 |
| Power | 400 W |
| Base | E-39 |
| Glass Diameter | 48 mm |
| Total Length | 285 mm |
| Rated Life | 24,000 hours |
| Color Temperature | 2100 K |
| Unit | Per Piece (Pc.) |
Frequently Asked Questions
What ballast is required for this lamp?
This lamp requires a compatible high pressure sodium ballast rated for 400W. The ballast must match the lamp's electrical characteristics for proper operation and long life.
Can this lamp be used in any fixture?
It is designed for fixtures that accept an E-39 mogul base and can accommodate a T-bulb shape of 285 mm length. Ensure the fixture is rated for 400W HPS lamps.
What is the typical lifespan under normal conditions?
The rated life is 24,000 hours, but actual lifespan may vary depending on operating conditions, ballast quality, and cycling frequency.
Is this lamp suitable for marine environments?
Yes, it is commonly used in shipboard lighting, dockyards, and other marine applications where high output and durability are required.
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