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ViewSonic PJ1250 projector lamp module in housing

ViewSonic

ViewSonic PJ1250 Projector Lamp 275W 2000H DT00531

SKU CH-R3K6-81N4E

Replacement lamp module with a 275W UHB bulb and housing, rated for 2,000 hours of operation

  • Power rating275 W
  • Lamp lifespan2,000 Hrs.
  • Product typeProjector Lamp
  • OEM replacement lamp installs instantly
  • 275 watt UHB bulb powers bright projection
  • 2000 hour rated life extends service interval
  • ISO 9001 manufacturing ensures consistent quality
  • Ready‑to‑fit housing eliminates assembly hassle

Ready-to-install lamp module

The ViewSonic PJ1250 lamp arrives as a complete 275 W bulb-and-housing assembly matched to part number DT00531. It is built to ISO 9001 quality checks for ignition, voltage and run-time so the projector powers up without extra alignment steps.

OEM-grade Ushio bulb inside

Each unit uses a genuine Ushio UHB 275 W bulb rated for 2 000 hours of service life. The housing is pre-assembled at the factory, removing the need to handle a bare lamp or reuse an old cage during replacement.

For owners of compatible ViewSonic projectors

This module suits anyone whose projector calls for the DT00531 lamp and who wants a drop-in OEM-spec replacement. Buyers needing a different wattage, connector layout or longer rated life should verify their model’s exact lamp code before ordering.

How it compares

Measured against everything we stock in Replacement Projector Bulbs, at today’s prices. Recalculated every night.

Price $179.99
Pricier than about 89% of the 9,513 comparable items (median $99.99).
Power rating 275 W
Higher than about 80% of the 8,831 comparable items (median 215 W).

Specifications

Product
Brand nameViewSonic
Product typeProjector Lamp
Display
Lamp lifespan2,000 Hrs.
Power
Power rating275 W

Questions about this item

How often will the 275 W Ushio UHB bulb need replacing?

The lamp is rated for 2,000 hours of use; after that the bulb will dim and should be swapped for a new module.

What stops the lamp running continuously beyond its rated life?

After roughly 2,000 hours the UHB bulb’s output drops sharply and the projector will warn you to replace the module.

How much heat and fan noise does the 275 W module add during all-day projection?

The 275 watt lamp generates significant heat, so the projector’s cooling fans run constantly and audibly during extended sessions.

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