Normal Ballast Factor HT

QUICKTRONIC High Efficiency (QHE) PROStart T5HO electronic ballasts operate PENTRON HO, PENTRON HO Circline and DULUX L T5 lamps with full lumen output and optimal system performance

– Operate from 120V through 277V
  – Eliminates “wrong voltage” errors
  – Reduces inventory by 50%

Product family features
  • High Efficiency Series
  • Type CC
  • Program Rapid Start
  • Universal voltage (120-277V)
  • Min. Starting Temp: -20°F (-29°C) , operates at >42 kHz to reduce potential interference with infrared control systems
Areas of application
  • Commercial & retail
  • Hospitality & institutional
  • New construction

General product information

Product Name QHE2X3924T5HOUNVPSN 10/CS 1/SKU
Ordering Abbreviation QHE 2X39-24T5HO/UNV PSN
Brand Name OSRAM
General Description High Efficiency 2x39 24 Ballast

Electrical data

Nominal Total Max Wattage 78.00 W
Power Factor >0.97
Open Circuit Voltage (V) <600 V
Wiring Method Leads

Dimensions & weight

Ballast Width (in) 1.1800 in
Ballast Length (in) 14.1700 in
Ballast Height (in) 0.8700 in

Temperatures & operating conditions

Starting Temperature - Celsius -29 C
Starting Temperature - Fahrenheit -20.2 F
Maximum Case Temperature 70 C

Additional product data

Total Harmonic Distortion (THD) <10
Primary Lamp Type 1 FP54T5HO
Starting Method Programmed Start
Sound Rating A

Light management & control

Circuit Type Series

Item number




Outside dimensions l x w x h

Gross weight

51478 4052899442160 Unpacked (SKU) 1
51478 4052899442177 Shipping box (Case) 10 17.8in x 9.2in x 2.5in 7.4lb