Keystone KTEB-228HE-UV-PS-SL T5HE Electronic Ballast – 1 or 2 Lamp F28T5 Program Start
The Keystone Technologies KTEB-228HE-UV-PS-SL is a high-efficiency 120-277V T5HE electronic ballast for one or two T5HE lamps (F28T5, F21T5, or F14T5; also 1-lamp F35T5). Program-start operation extends lamp life, and the slim 9.5" case with leads fits common commercial T5 fixtures. A direct replacement for many Advance, Sylvania, Universal, and Robertson 2-lamp F28T5 program-start ballasts.
Key Features
- Operates 1 or 2 T5HE lamps (F28T5 / F21T5 / F14T5)
- Also operates 1 × F35T5/HE
- Program start for longer lamp life vs instant start
- Universal 120-277V input
- High power factor and low THD
- Slim 9.50" case with integral leads
- Sound Rated A with end-of-lamp-life protection
- 5-year manufacturer warranty from Keystone Technologies
Specifications
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Model: KTEB-228HE-UV-PS-SL
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Brand: Keystone Technologies
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Lamp Type: T5HE linear (G5 miniature bi-pin)
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Number of Lamps: 1 or 2
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Start Method: Program Start
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Lamp Connection: Series
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Input Voltage: 120-277V
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Ballast Type: Electronic, High Efficiency
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Power Factor: High (≥0.98 typical)
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Ballast Factor: 1.00 (2-lamp F28T5/HE)
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Input Watts: 64W (2-lamp F28T5/HE at 120V)
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THD: ≤10%
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Sound Rating: A
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Dimensions: 9.50" L × 1.30" W × 1.00" H
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Mounting Centers: 8.96"
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Min. Start Temperature: 0°F
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Max. Case Temperature: 158°F
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Certifications: UL / cUL Listed, DOE 2014 Compliant, Class P, Type 1 Outdoor
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Warranty: 5 Years
KTEB-228HE-UV-PS-SL spec sheet
Compatible Lamps
- 1 or 2 × F28T5 / F28T5HE (G5)
- 1 or 2 × F21T5 / F21T5HE (G5)
- 1 or 2 × F14T5 / F14T5HE (G5)
- 1 × F35T5 / F35T5HE (G5)
Compatible With / Replaces
- Philips Advance ICN-2S28 / ICN-2S28-N / ICN-2S28-T
- Osram Sylvania QTP 2x28T5/UNV PSN and QS 2x28T5/UNV PS95-SC
- Universal B228PUNV-C / B228PUNV-N
- Robertson PSA228T5MV
- Fulham RHA-UNV-228-LT5
- Keystone KTEB-228HE-UV-PS (same family; this SL version is the 9.5" leaded case)
- Not a Type B LED driver – for T5 fluorescent lamps, or Type A T5 LED tubes only if the tube maker lists this ballast
Common Applications
- Commercial T5 fluorescent fixtures
- Offices, retail, and classrooms
- High-efficiency T5 troffers and wraps
- Replacement for failed 2-lamp F28T5 program-start ballasts
Why Buy from Keystone Technologies?
- High-efficiency T5HE program-start performance
- Universal 120-277V for commercial fixtures
- Direct replacement for major-brand F28T5 ballasts
- 5-year manufacturer warranty
Why Buy from LeanLight?
- Fast & free shipping on every order (ships from Georgia)
- Volume and project discounts available
- 30-day satisfaction guarantee with easy returns
- Georgia-based lighting specialists since 2008
