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Rectangular electronic ballast in a grey metal case, model GE454PUNVHB-E/M

GE Lighting

GE Lighting GE454PUNVHB-E/M Multi-Volt UltraStart T5 Ballast

SKU CH-D3JG-EF57Z

Multi-volt T5 ballast operates 108 V to 305 V with parallel lamp operation and individual end-of-life shutdown

  • Multi-volt 108–305V simplifies inventory
  • Parallel operation keeps three lamps lit when one fails
  • 20°F start suits cold environments
  • 90°C case rating extends service life
  • Step dimming cuts power 50% by dropping two lamps

Application & Suitability

The GE454PUNVHB-E/M is an UltraStart T5 ballast built for frequently switched lighting circuits. It operates across a 108V to 305V multi-voltage range and carries a 90C case rating with a 55C UL ambient rating. Cold-temperature starting is rated down to -20F. This unit suits commercial installations where lamps cycle often and supply voltage may vary.

Bundled Behaviour Changes

Parallel-series lamp operation reduces maintenance costs by allowing remaining lamps to stay lit when one reaches end of life. Anti-striation control improves light quality by eliminating visible striations. Auto-restart recovers from temporary power loss without a manual power cycle. Step dimming cuts input power to approximately 50 percent by shutting down two of the four lamps.

Pre-Installation Checks

Verify the fixture uses compatible T5 lamps and that the supply voltage falls within the 108V to 305V window. Confirm the mounting location does not exceed the 55C ambient rating. Ensure the wiring layout supports the step-dimming control circuit needed to trigger the 50 percent power reduction mode.

Highlights

  • Multi-volt 108–305V simplifies inventory
  • Parallel operation keeps three lamps lit when one fails
  • 20°F start suits cold environments
  • 90°C case rating extends service life
  • Step dimming cuts power 50% by dropping two lamps

Specifications

BrandGE

Questions about this item

How does the parallel-series lamp operation affect future lamp replacement?

Parallel-series operation lets each lamp run independently, so only the lamp that reaches end of life shuts down while the others stay lit, reducing the number of service visits.

What is the highest ambient temperature the ballast can tolerate during continuous operation?

The ballast carries a UL-approved 55 °C ambient rating and a 90 °C case-temperature rating for sustained use.

How much power does the ballast draw when running in step-dimming mode all day?

In step-dimming mode the ballast operates at approximately 50 % of input power (±15 %) by shutting down two of the four lamps.

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