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Rectangular white electronic ballast with side terminals

Fulham

Fulham WH33-120-C Electronic Ballast 5-64W 1-4 Lamps

SKU CH-2GSK-125AR

Electronic fluorescent ballast operates 1 to 4 lamps from 5 to 64 watts at 120V AC with instant start and no dimming

  • Product typeTraffic & Parking Lot
  • Supports up to four lamps for flexible installation
  • Operates from 5 W to 64 W across many bulb types
  • Instant start at 120 V AC with no dimming circuitry
  • Reliable cold-weather ignition down to -22 °F
  • Compatible with BX, DBX, T10, T12, T12U, T5 and T8 bulbs

Fulham WH33-120-C Electronic Ballast

The Fulham WH33-120-C is a WorkHorse electronic fluorescent ballast designed for 120V AC input. It supports one to four lamps across a wide range of wattages from 5 to 64 watts. Suitable bulb types include T5, T8, T10, T12, T12U, BX and DBX configurations.

Installers needing instant start in cold

This ballast suits projects requiring reliable instant start performance down to -22 degrees Fahrenheit. It is not for installations that require any dimming capability or dimming control method. Buyers needing adjustable light output should look at a different ballast model.

Multi-wattage support from 5 to 64 watts

The unit handles maximum bulb wattages of 13, 14, 15, 17, 24, 25, 34, 39, 40, 44, 45, 50, 54, 55, 60, 75, 80 and 85 watts depending on the lamp type and quantity used. Matching the specific lamp wattage and count to this supported range is the critical step before purchase.

How it compares

Measured against everything we stock in DLP TV Lamps & Bulbs, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 93% of the 8,306 comparable items (median $97.99).

Specifications

Product
Brand nameFULHAM
Product typeTraffic & Parking Lot

Questions about this item

Will the WH33-120-C run my existing T12 and T8 tubes together?

Yes, it supports T12, T8, T5, T10, T12U, BX and DBX lamps in any combination of one to four tubes.

How do I confirm the ballast is operating correctly after wiring?

The instant-start design lights all connected lamps immediately at 120 V AC with no flicker or delay.

Does the box include lamp holders or mounting brackets?

Only the ballast is supplied; lamp holders, wiring and mounting hardware must be purchased separately.

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