IMPA: 791206

High Pressure Sodium Lamp NH-F MH-BT – IMPA 791206

The High Pressure Sodium Lamp NH-F MH-BT (IMPA 791206) is a robust and efficient lighting solution designed for demanding marine and shipboard applications. As a high-pressure sodium discharge lamp, it delivers warm golden light with exceptional luminous efficacy, making it ideal for floodlighting, deck illumination, and general area lighting on vessels of all sizes. Built to withstand harsh offshore conditions, this lamp ensures reliable performance and minimal maintenance.

Engineered for compatibility with standard HPS ballasts and fixtures, this lamp offers a long operational life, reducing replacement frequency and downtime. Its high lumen output per watt ensures superior visibility while keeping energy consumption low — an essential feature for vessels that rely on efficient power management. Whether used on cargo ships, fishing vessels, or offshore platforms, this lamp provides dependable lighting in even the most challenging environments.

Key Features

Technical Specifications

SpecificationValue
Lamp TypeHigh Pressure Sodium (HPS)
IMPA Code791206
Wattage250W (150W/400W available on request)
Base TypeE40 (Mogul Screw)
Voltage220–240V AC, 50/60Hz
Luminous Flux28,000 lm (at 250W)
Color Temperature2,000K (warm yellow)
Average Rated Life24,000 hours
Warm-up TimeApproximately 3–4 minutes from cold start
Operating PositionUniversal (any position)
Glass MaterialHigh-temperature borosilicate glass

Frequently Asked Questions

What is the lifespan of this high pressure sodium lamp?

The average rated life is approximately 24,000 hours when operated with a proper ballast. This translates to several years of typical service at 12 hours per day, reducing the frequency of replacements.

Can this lamp be used in outdoor marine applications?

Yes, this lamp is designed for rugged environments. It is suitable for deck floodlights, mast lighting, and cargo area illumination on ships, offshore platforms, and harbors. Always use a properly rated IP65 or higher fixture to protect it from salt spray and moisture.

What ballast does this lamp require?

This lamp requires a standard high-pressure sodium ballast with matching wattage (e.g., 250W). The lamp is NOT compatible with mercury vapor or metal halide ballasts. Ensure the ballast has an ignitor for proper starting.

Is this lamp available in different wattages?

Our catalog primarily stocks the 250W version, but 400W and 150W versions can be ordered upon request. Please contact us for availability.

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