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ViewSonic PA503S projector lamp module with NSH 330W bulb in housing

ViewSonic

ViewSonic PA503S Projector Lamp NSH 330W 2000 hrs

SKU CH-WJDM-C2XF4

Genuine OEM replacement lamp module with NSH 330W bulb and housing, rated for 2,000 hours of projector use

  • Power rating330 W
  • Lamp lifespan2,000 hrs
  • Product typeNSH
  • Genuine NSH bulb delivers reliable 330 W projection
  • 2 000-hour rated life supports extended use
  • Pre-assembled housing enables quick tool-free replacement
  • Manufactured to ISO 9001 quality standards
  • Compatible with ViewSonic PA503S projector model

Genuine OEM replacement for ViewSonic PA503S

This NSH 330W lamp module arrives fully assembled with housing for direct installation in the ViewSonic PA503S projector. It restores original brightness and colour accuracy for classrooms, meeting rooms or home cinema setups that rely on this model. The 2,000 hour rated life supports regular daily use without frequent changeovers.

Fully assembled housing eliminates separate bulb

The bulb and housing ship as one unit so technicians can swap the module in minutes without touching the fragile quartz envelope. Each unit is tested to ISO 9001 standards for ignition voltage, beam uniformity and run-time before leaving the factory. A 90 day warranty covers early-life failures.

Verify the exact projector model

Confirm the unit is a PA503S and note the current lamp hours before ordering; other ViewSonic models use different modules. The housing fits only the PA503S chassis, so cross-compatibility with similar-looking projectors is not supported. Reset the lamp timer after installation to track the new 2,000 hour cycle.

How it compares

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

Price $133.99
Pricier than about 75% of the 9,513 comparable items (median $99.99).
Power rating 330 W
Higher than about 91% of the 8,831 comparable items (median 215 W).

Specifications

Product
Brand nameViewSonic
Product typeNSH
Display
Lamp lifespan2,000 hrs
Power
Power rating330 W

Questions about this item

When will the NSH 330W bulb reach its 2,000-hour rated life and need replacement?

The lamp is rated for 2,000 hours of use; after that period brightness drops and the bulb should be replaced.

What component limits continuous operation before the 2,000-hour mark?

The 330W NSH bulb itself is the limiting component; its rated lifespan defines the maximum continuous runtime.

How much power does the 330W lamp draw and how much heat does it produce during all-day use?

The lamp consumes 330 watts and generates significant heat; ensure the projector's cooling system runs unobstructed for extended sessions.

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