T8 Fluorescent Standard Output Ballast (1 lamp) 17W/25W/32W T8 Lamp Ballast, (2 lamps) 17W/25W/32W T8 Lamp Ballast, (3 lamps) 17W/25W/32W T8 Lamp Ballast, (4 lamps) 17W/25W/32W T8 Lamp Ballast, (2 lamps) 59W T8 Lamp Ballast
Keystone's industry proven line of
commercial grade T8, dedicated and multi-voltage ballasts feature the
unsurpassed quality, performance, and reliability you have come to expect from
Keystone. Demand only the best with Keystone's legacy of field tested durability
- Keystone Warranty.
Full service warranty for 5 years. (Electricsuppliesonline
- Instant Start. Provides
greater energy efficiency than standard Rapid Start ballasts.
- Available in 120-277V
Multi-Voltage or 120V. Universal Voltage guarantees you have the right
ballast on the job…and saves you inventory SKU’s!
- Standard Output. 0.88
Ballast Factor is the industry benchmark for standard light output.
- 0°F Cold Start Capability.
This ballast ignites without hesitation in even the coldest environments.
- Small Case and NEW Narrow Case.
Industry standard low profile case. NEW narrow case means even greater fixture
flexibility, with the same mounting footprint (available on 1 and 2 lamp models
- Operates Between 50-60 Hz.
Frequency range minimizes interference and can be used in countries that
operate on either frequency.
- Multi Lamp Capability.
Each ballast can operate 1 lamp less than the full rated lamp quantity. For
example, the 4 lamp ballast can safely operate just 3 lamps.
- Parallel Wiring. Each
lamp operates independently. If one lamp fails, all others will continue to
operate as normal.
- Low THD (Total Harmonic
Distortion). Both dedicated voltage and multi-voltage ballasts operate at
<10% THD. A key feature where harmonic distortion is of concern.
- General Office
- Board/Executive Rooms
* May be used with one less lamp by capping one blue wire
Lamp is NOT included.
All Ballast are NOT returnable