Sylvania 51479 QHE2x39/24T5HO/UNV

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$34.83
SKU:
SFB5147903
UPC:
46135514791
Availability:
In Stock
Shipping:
Calculated at Checkout
HS Tariff code:
8504.10.0000

Product Overview

Sylvania Lighting Logo

Sylvania QHE2x39-24T5HOUNVPSN-NL Quicktronic — 1-2 Lamp T5HO Programmed Start Ballast, 120-277V, No Leads

The Sylvania QHE2x39-24T5HOUNVPSN-NL Quicktronic ProStart is a 1-2 lamp T5HO electronic programmed rapid start ballast from Sylvania, designed for commercial T5HO fluorescent lighting systems. Universal voltage input covers 120–277V ±10% at 50/60Hz. Normal ballast factor, THD under 10%, Class A sound rating (20–24 dB), 0°F minimum starting temperature, and compact housing at 14.17" x 1.18" x 0.87". NL suffix — no lead wires included; requires field-wired connection. NEMA Premium, UL Type CC, UL Type 1 Outdoor, CSA Certified, FCC Part 18, ANSI C82.11, RoHS compliant. Verify lamp type, lamp count, and input voltage before ordering.

Lamp Count
1–2 Lamps
T5HO / FP
Input Voltage
120–277V
±10% Universal
Start Type
Programmed
Rapid Start
Sound Rating
Class A
20–24 dB
Min Start Temp
0°F
-18°C

Technical Specifications

Brand Sylvania (Osram)
Series Quicktronic ProStart
Model QHE2x39-24T5HOUNVPSN-NL
Ballast Type Electronic Programmed Rapid Start (ProStart)
Lamp Count 1–2 Lamps
Compatible Lamp Types (1–2) F35T5, FP39/35W/HO/SS, F21T5, FP24/21W/HO/SS
Input Voltage 120–277V AC (±10%), 50/60Hz
Start Method Programmed Rapid Start
Ballast Factor Normal (~1.0, full rated lamp lumens)
Total Harmonic Distortion (THD) <10%
Sound Rating Class A (20–24 dB)
Minimum Starting Temperature 0°F (-18°C)
Lead Wires None (NL — No Leads; field-wired connection required)
Dimensions 14.17" L x 1.18" W x 0.87" H (360 x 30 x 22 mm)
Listings / Compliance UL Type CC, UL Type 1 Outdoor, CSA Certified, NEMA Premium, ANSI C82.11, FCC Part 18 (Non-Consumer), RoHS, No PCB

Product Overview

The Sylvania QHE2x39-24T5HOUNVPSN-NL is a commercial-grade programmed rapid start ballast for 1-2 lamp T5HO fluorescent systems in offices, schools, healthcare facilities, retail, and industrial environments. Programmed rapid start preheats lamp cathodes before striking the arc, significantly extending lamp life compared to instant start ballasts — particularly important in high-switching environments with occupancy sensors or frequent on/off cycling.

Universal voltage operation (120–277V ±10%) covers all standard North American commercial voltages from a single SKU. Normal ballast factor (~1.0) delivers full rated lamp lumens without over- or under-driving lamps. The NL (No Leads) designation means this ballast does not include pre-wired lead wires — field wiring is required at installation. Confirm your fixture supports field-wired ballast connections before ordering.

Compatible Lamps

  • (1–2) F35T5 — T5HO 4-foot standard lamp
  • (1–2) FP39/35W/HO/SS — T5HO flat panel lamp
  • (1–2) F21T5 — T5HO 2-foot lamp
  • (1–2) FP24/21W/HO/SS — T5HO flat panel 2-foot lamp

Compatible Applications

  • Commercial offices and conference rooms — Programmed start extends lamp life in frequently switched environments; Class A sound for noise-sensitive spaces.
  • Educational facilities — Classrooms, lecture halls, and laboratories using T5HO fluorescent fixtures.
  • Healthcare — Hospitals, clinics, and examination rooms requiring silent ballast operation and reliable performance.
  • Architectural accent and display lighting — T5HO coves, wall washes, and display case fixtures.
  • Outdoor and cold-temperature applications — UL Type 1 Outdoor rated; 0°F cold start for covered exterior and unheated installations.

Before Ordering — Verify

  • Lamp Type: Confirm your lamps are on the compatible lamp list above (T5HO / FP series, 21–39W).
  • Lamp Count: Confirm fixture requires 1 or 2 lamps.
  • Input Voltage: Confirm circuit voltage is within 120–277V ±10%.
  • No Leads (NL): This ballast has no pre-wired lead wires — confirm your fixture supports field-wired ballast installation before ordering. The standard lead-wire version is available separately.
  • Dimming: This is a non-dimming ballast. Confirm your application does not require dimming capability.
  • Physical Fit: Confirm 14.17" x 1.18" x 0.87" fits within your fixture's ballast cavity.

Safety and Installation Notes

  • Disconnect power before installing or servicing.
  • Ground ballast case per NEC and local electrical codes.
  • Follow wiring diagram printed on the ballast label — field wiring required (NL version).
  • Use only with approved T5HO lamps and fixtures.
  • Do not exceed maximum case temperature — consult Sylvania specification sheet.

Compliance

  • UL Type CC, UL Type 1 Outdoor, CSA Certified, NEMA Premium.
  • ANSI C82.11 compliant. FCC Part 18 Non-Consumer (EMI/RFI). RoHS compliant. No PCB.

Ordering Information

  • Brand: Sylvania (Osram) — Quicktronic ProStart
  • Model: QHE2x39-24T5HOUNVPSN-NL
  • Input Voltage: 120–277V
  • Lamp Compatibility: 1–2 lamp T5HO / FP
  • Lead Wires: None (NL)
  • Packaging: Sold individually.
  • Case quantities and bulk pricing: Contact ADL Supply for volume orders.

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

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