SYLVANIA QUICKTRONIC® High Efficiency | 75861 | 2-Lamp T8 Instant Start Ballast

The Sylvania 75861 (QHE2X32T8/UNV ISN-SC-B) is a premium electronic ballast designed for maximum energy efficiency and high-performance operation of T8 fluorescent lamps. Part of the QUICKTRONIC® High Efficiency (QHE) series, this ballast features Instant Start technology and a universal voltage range of 120-277V. It is engineered to provide over 100 lumens per watt when paired with OCTRON® XP® lamps, offering significant energy savings of up to 30-50% over traditional magnetic systems. Its small-can design (SC) makes it an excellent choice for low-profile luminaires in commercial and industrial settings.

Advanced System Performance and Reliability

This **Sylvania Ledvance** ballast is built to the highest standards of the lighting industry. It includes QUICKSENSE® circuitry for safe lamp end-of-life sensing and a low Total Harmonic Distortion (THD) of less than 10%. The parallel lamp operation is a critical feature, ensuring that if one lamp fails, the other remains lit, reducing maintenance downtime. With its high frequency (>42kHz) operation, it eliminates lamp flicker and provides quiet, Class A sound-rated performance for noise-sensitive office and educational environments.

• Extreme Efficiency: NEMA Premium and CEE listed for maximum utility rebate eligibility.
• Universal Voltage: Seamless operation across 120V to 277V power supplies.
• Small Can Design: Compact dimensions allow for installation in narrow or shallow fixtures.
• Parallel Circuitry: Keeps remaining lamps lit when one lamp reaches end-of-life.

Technical Specifications

• Brand: Sylvania / Ledvance
• Product Code: 75861
• Model: QHE 2x32T8/UNV ISN-SC-B
• Input Voltage: 120-277V AC
• Lamp Quantity: Operates (1) or (2) lamps
• Compatible Lamps: F32T8, F25T8, F17T8, F40T8, and U-Bend variants
• Ballast Factor: 0.88 (Normal)
• THD: <10%
• Power Factor: >0.98
• Dimensions: 9.5" L x 1.68" W x 1.18" H
• Sound Rating: Class A (Quiet)
• Min. Starting Temp: -20°F (-29°C)

Primary Applications

• Commercial Offices: Ideal for general overhead lighting in recessed troffers.
• Education & Healthcare: Quiet operation and high reliability for classrooms and clinics.
• Retail Stores: Energy-efficient solution for large-scale display lighting.
• Industrial Facilities: Robust performance for warehouses and production areas.