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Rectangular electronic ballast in grey metal casing with side mounting flanges and multiple wire leads

Philips

Philips Advance IOPA-4P32-N Electronic Ballast 109-106W 3-4 Lamps

SKU CH-Y7HS-G327F

Electronic ballast runs three or four T8 fluorescent lamps at 17 to 40 watts each on 120 to 277 volt input with instant start down to minus 20 degrees Fahrenheit

  • typeBallasts
  • Instant-start operation down to -20 °F for reliable cold starts
  • Wide 120–277 V AC input handles diverse supply voltages
  • Supports 3 or 4 T8 lamps for flexible fixture design
  • Compatible with 17 W, 25 W, 28 W, 32 W and 40 W lamps
  • Operates at 109–106 W total power for efficient energy use

Philips Advance IOPA-4P32-N Ballast

The Philips Advance IOPA-4P32-N is an electronic fluorescent ballast designed for commercial and institutional lighting systems. It operates three or four T8 lamps with instant start, making it suitable for offices, schools and retail spaces that require reliable, flicker-free illumination. Installers and maintenance teams will appreciate the broad input-voltage range and the ability to drive multiple lamp wattages from a single unit.

Instant Start and Voltage Limits

The ballast accepts an input of 120 to 277 volts AC and supports lamp powers of 17, 25, 28, 32 and 40 watts per lamp. Instant start circuitry ignites lamps without pre-heating, which reduces component count but means the ballast cannot dim and is not compatible with dimming controls. Minimum starting temperature is rated at minus 20 degrees Fahrenheit, so unheated outdoor fixtures in colder climates may experience hard starting.

Wiring and Common Pitfalls

Installation follows standard T8 instant-start wiring diagrams; the ballast mounts in the fixture and connects to line voltage and lamp holders. A frequent issue occurs when the wrong lamp quantity or wattage is used, causing premature lamp failure or ballast shutdown. Another common mistake is applying a dimmer to the circuit, which the unit does not support and can damage the electronics.

Highlights

  • Instant-start operation down to -20 °F for reliable cold starts
  • Wide 120–277 V AC input handles diverse supply voltages
  • Supports 3 or 4 T8 lamps for flexible fixture design
  • Compatible with 17 W, 25 W, 28 W, 32 W and 40 W lamps
  • Operates at 109–106 W total power for efficient energy use

Specifications

BrandADVANCE
typeBallasts

Questions about this item

Should I pick the 109 W or 106 W version for my four T8 lamps?

The ballast is a single unit rated 109 W input at 120 V and 106 W at 277 V; it runs three or four lamps without a separate version to choose.

What does the 109 W to 106 W rating mean once the ballast is installed?

It shows the maximum input power the unit draws — 109 W on a 120 V supply and 106 W on a 277 V supply — while driving up to four T8 lamps.

What does the 120 V to 277 V input range cap in practice?

It lets the ballast operate on any supply between 120 V and 277 V AC, automatically adjusting so the same model works on both common North American voltages.

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