Description
2 x F14T5/ F21T5 / F28T5 Replacement Ballast | 120-277V | HPF | Program Start | High Efficiency
Keystone Technologies KTEB-228HE-UV-PS is a high-efficiency T5 replacement ballast, designed for 120-277V universal input and capable of operating two F28T5 lamps with a program start function. Featuring a high power factor (HPF) and series wiring configuration, this ballast ensures smooth, reliable, and energy-efficient performance for commercial and industrial lighting applications. With a universal voltage range, long lifespan, and 5-year warranty, this ballast is an ideal solution for retrofits and new installations.
Features
- Lamp Compatibility: Operates 2 x F28T5, F21T5, or F14T5 lamps
- Input Voltage: 120-277V ±10%
- Power Factor: High Power Factor (HPF)
- Start Type: Program Start for extended lamp life
- Wiring Type: Series wiring for stable performance
- Energy Efficiency: Meets 2014 DOE Compliance Standards
- Temperature Ratings:
- Minimum Start Temperature: 0°F (-18°C)
- Maximum Case Temperature: 194°F (90°C)
- Sound Rating: A-rated for quiet operation
- Transient Protection: Meets ANSI/IEEE C62.41 Category A
- Compliance: UL Listed, Class P, Type 1 Outdoor
- Lamp End-of-Life Protection
- 5-Year Warranty
Benefits
- High-efficiency operation reduces energy consumption
- Program start ignition extends lamp life and reduces wear
- Universal voltage compatibility for flexible installation
- Reliable and consistent performance for commercial lighting applications
- Quick Ship Availability ensures fast delivery for urgent replacements
Applications
- Commercial office lighting
- Retail and warehouse lighting
- Industrial lighting fixtures
- Fluorescent lighting retrofits
Product Specifications
- Manufacturer: Keystone Technologies
- Model: KTEB-228HE-UV-PS
- Lamps Operated: 2 x F28T5 (or compatible T5 lamps)
- Input Voltage: 120-277V
- Input Power: 64W (2-lamp F28T5)
- Start Type: Program Start
- Ballast Factor: 1.03 (2-lamp F28T5)
- Total Harmonic Distortion (THD%): ≤10%
- Mounting Length: 16.02”
- Case Material: Metal
- Case Style: U4
- Warranty: 5 Years
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