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Rectangular electronic ballast, white finish, label shows 120-277V rapid start for two T12 lamps

Philips

Philips Centium Electronic Ballast Rapid Start 120-277V 2x40W T12

SKU CH-8DF0-Z5HZJ

Electronic ballast drives two T12 lamps at 30, 34 or 40 watts on 120 to 277 volt input with rapid start down to 50 degrees Fahrenheit

  • Product typeBallasts
  • Product weight1
  • Rapid start ignites lamps quickly without flicker
  • Multi-voltage input 120 to 277V suits varied supplies
  • Drives two T12 lamps up to 40 watts each
  • Operates reliably down to 50 degrees F ambient
  • Electronic design reduces hum and improves efficiency

Application scope

The Philips Centium electronic ballast operates two T12 or T12U fluorescent lamps at 30, 34 or 40 watts each. It accepts a wide 120 to 277 volt AC supply and uses rapid-start ignition, making it suitable for commercial or residential fixtures that require reliable cold-weather starting down to 50 degrees Fahrenheit.

Thermal behaviour

Because the unit has no dimming circuitry, power draw remains constant during continuous operation, so heat output is steady rather than peaking only at start-up. Installers should allow adequate airflow around the ballast housing to dissipate this sustained load without exceeding the component's rated temperature limits.

Interface limits

The ballast connects directly to line-voltage wiring and the two lamp sockets; no low-voltage control wires or digital protocols are present. This means the device cannot be integrated into dimming systems, building-automation networks or addressable lighting schemes, limiting its use to simple on/off switching circuits.

How it compares

Measured against everything we stock in Lamp Ballasts & Drivers, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 77% of the 265 comparable items (median $61.99).

Specifications

Product
Brand nameADVANCE
Product typeBallasts

Questions about this item

Does the ballast run silently and stay cool when powering two 40 W T12 lamps all day?

The Centium electronic design operates without audible hum and generates less heat than magnetic units, so it remains quiet and cool during continuous use.

Which lamps and line voltage must already be in place for this ballast to work?

It requires two T12 or T12U lamps rated 30 W, 34 W or 40 W and a 120 to 277 V AC supply.

Will this ballast start reliably with the older T12 tubes I already own in a 50 °F garage?

Yes, rapid-start circuitry ignites T12 and T12U lamps down to 50 °F, matching your existing tubes and cool ambient conditions.

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