Philips Advance VZT-4S32-HL 277V

Philips Advance VZT-4S32-HL Mark 7 0-10V 4-Lamp F32T8 Dimming Ballast – 277V

The Philips Advance VZT-4S32-HL Mark 7 0-10V is a high-light-output electronic dimming ballast for four F32T8 32W fluorescent lamps. It operates on 277V, features programmed-start operation, 0-10V dimming control, and a maximum 1.18 ballast factor.

Technical Specifications

• Brand: Philips Advance
• Series: Mark 7 0-10V
• Model: VZT-4S32-HL
• Ballast Type: Electronic Dimming
• Lamp Type: F32T8 32W
• Number of Lamps: 4
• Input Voltage: 277V
• Frequency: 50/60 Hz
• Starting Method: Programmed Start
• Lamp Connection: Series
• Ballast Factor: 0.05 to 1.18
• Input Power: 27W to 149W
• Full-Light Input Current: 0.54A
• Power Factor: 0.99
• Maximum THD: 10%
• Lamp Current Crest Factor: 1.7
• Minimum Starting Temperature: 50°F (10°C)

Dimensions

• Length: 16.7 in
• Width: 1.7 in
• Height: 1.18 in
• Mounting Length: 16.34 in

Key Features

• 0-10V continuous dimming control
• High-light-output 1.18 maximum ballast factor
• Programmed Start for frequent switching applications
• High-frequency electronic operation
• Class A sound rating
• Auto-restart circuitry
• UL Listed Class P and Type 1 Outdoor
• CSA certified where applicable

Before Ordering – Verify

• Model: VZT-4S32-HL – the HL designation is important.
• Voltage: 277V only; this is not an IntelliVolt 120-277V model.
• Lamp Load: Four F32T8 32W fluorescent lamps.
• Ballast Factor: 1.18 maximum high-light-output model.
• Dimming: Requires a compatible Class 1 or Class 2 0-10V DC controller.
• Size: Verify the 16.7-inch ballast housing fits the existing fixture.

Ordering Information

• Manufacturer: Philips Advance
• Model: VZT-4S32-HL
• Series: Mark 7 0-10V
• Application: 4-Lamp F32T8 Fluorescent Dimming

Industry Cross-Reference Data

This VZT-4S32 277V dimming control block serves as a direct drop-in substitute for the following parameters:

• Sylvania Quicktronic Match: QHE 4x32T8/277 DIM-SC (equivalent 4-lamp 277V 0-10V programmed-start dimming series)
• GE Current Precision Core: GE432MVPS-DIM UltraStart (equivalent multi-volt dimming class — *Note: Please verify line potential is wired to a 277V branch before substituting*)
• Legacy Cross-Reference Profile: Architectural-grade replacement for 4-lamp 277V 0-10V dimming ballast positions in corporate energy retrofit, daylight harvesting zone, and occupancy-controlled commercial fluorescent fixture installations

For wholesale pricing, bulk availability, or help confirming ballast compatibility, contact ADL Supply at 1-800-235-3489.