IMPA: 791211

High Pressure Sodium Lamp T-Bulb NHT – Marine-Grade Lighting

The High Pressure Sodium Lamp T-Bulb NHT is a high-intensity discharge (HID) lighting solution engineered for demanding marine environments. Commonly used in cargo holds, engine rooms, deck lighting, and general-purpose shipboard luminaires, this lamp provides powerful illumination with exceptional energy efficiency.

The T-bulb configuration ensures optimal light distribution and uniform coverage, making it an ideal replacement for existing high-pressure sodium fixtures. The NHT standard base allows secure installation in most commercial marine sockets, while the robust construction withstands vibration, shock, and temperature fluctuations typically encountered at sea.

For ship chandler stores and vessel maintenance teams, this lamp offers a cost-effective, long-life lighting solution that reduces downtime and replacement frequency. Compatible with standard HPS ballasts and ignitors, the T-Bulb NHT high pressure sodium lamp delivers consistent performance in a wide range of marine and industrial applications.

Key Features

Technical Specifications

SpecificationValue
Lamp TypeHigh Pressure Sodium (HPS)
Bulb ShapeT-Bulb (Tubular)
Base TypeE40
Wattage400W
Input Voltage220-240V AC
Luminous Flux55,000 lm
Color Temperature~2100K
Average Rated Life24,000 hours
Burning PositionUniversal
Operating Temperature-30°C to +50°C

Frequently Asked Questions

What does NHT stand for in a high pressure sodium T-Bulb lamp?

NHT is a standard designation for the physical and electrical characteristics of the T-bulb high pressure sodium lamp. It indicates the lamp’s shape, base size, and compatible operating parameters, ensuring it can be matched with the correct fixture and ballast.

What is the typical lifespan of this high pressure sodium lamp?

Depending on operating conditions and the ballast used, this T-Bulb NHT lamp has an average rated life of approximately 24,000 hours. Regular voltage stability and adequate cooling can help maximize its service life in marine environments.

Can this lamp be used in enclosed marine light fixtures?

Yes, the T-bulb design is suitable for both semi-enclosed and fully enclosed marine fixtures, provided the fixture is rated for the lamp’s wattage and thermal output. Always verify the fixture’s IP rating and suitability for the intended installation area.

What ballast is required for a T-Bulb NHT high pressure sodium lamp?

A compatible high pressure sodium ballast with ignitor is required. The ballast must be rated for the lamp’s wattage and your vessel’s input voltage to ensure correct starting and stable operation.

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