Product Overview
Sylvania QT 1x20MH UNV SQ — Item #51959 — 1-Lamp Electronic Metal Halide Ballast, 20W T4.5, 120-277V (Universal)
The Sylvania QT 1x20MH UNV SQ (Item #51959) is a 1-lamp electronic Metal Halide ballast (QT (base line, not Professional)) for 20W T4.5 Metal Halide lamps, operating on 120-277V (Universal) line voltage.
Number of Lamps 1 QT (base line, not Professional) | Lamp Type 20W T4.5 Metal Halide | Input Voltage 120-277V (Universal) Universal | Ballast Factor 1.0 Normal | System Wattage 23 W System |
Technical Specifications
| Model Line | QT (base line, not Professional) |
| Lamp Type | 20W T4.5 |
| Input Current | 0.19/0.09 Amps |
| Rated Lamp Lumens | 1,700 |
| System Efficacy | 74 lm/W |
| System Wattage | 23 W |
| Input Voltage | 120-277V (Universal) |
| Data Status | Preliminary Data (per OSRAM SYLVANIA catalog) |
Product Overview
This ballast is part of the QT (base line, not Professional) line and delivers 1,700 rated lamp lumens at 74 lm/W system efficacy.
OSRAM SYLVANIA marks this item's catalog data as "Preliminary Data — check with OSRAM SYLVANIA for detailed specifications" rather than final published figures. We have used the catalog's preliminary numbers as-is rather than guessing at final numbers; contact ADL Supply if you need the manufacturer to confirm final specs for a submittal.
Compatible Applications
- Commercial, industrial, and retail lighting fixtures specified for 20W T4.5 Metal Halide lamps
Before Ordering – Verify
- Confirm lamp type: 20W T4.5.
- Preliminary catalog data — confirm final specifications with OSRAM SYLVANIA before using in a formal submittal.
Safety and Handling Guidelines
- Install per NEC guidelines and local electrical code; installation should be performed by a qualified electrician.
- Disconnect power at the breaker before servicing, wiring, or replacing this ballast.
- Allow the ballast to cool before handling if recently in operation.
- Dispose of a failed or replaced ballast per local electronic-waste regulations.
Compliance
- UL Listed for use in commercial and industrial fluorescent/HID fixtures.
- Covered by the SYLVANIA QUICK 60+ system warranty, the industry's first and most comprehensive lamp-and-ballast system warranty.
Ordering Information
- Item #51959, model designation QT 1x20MH UNV SQ.
- For wholesale pricing, bulk availability, or help confirming the correct ballast for your fixture, contact ADL Supply.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
