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Sign Ballasts

Topbulb carries a large selection of Keystone sign ballasts. If you do not find the Keystone brand sign ballast you are looking for, call one of our lighting specialists at 800.867.2852. In most cases, we can find the Keystone sign ballast you need at a competitive price.

9 Item(s)

  1. Keystone KTSB-E-0208-11-1-S - Electronic Sign Ballast - 1 Lamp T8HO/T12HO - 2' to 8' Lamp Length - Series
  2. Keystone KTSB-E-0216-12-UV - Electronic Sign Ballast - 1 to 2 Lamp T8HO/T12HO - 2' to 16' Lamp Length - Parallel
  3. Keystone KTSB-E-0416-12-1-S - Electronic Sign Ballast - 1 to 2 Lamp T8HO/T12HO - 4' to 16' Lamp Length - Series
  4. Keystone KTSB-E-0432-14-UV - Electronic Sign Ballast - 2 to 4 Lamp T8HO/T12HO - 4' to 32' Lamp Length - Parallel
  5. Keystone KTSB-E-0824-23-1-S - Electronic Sign Ballast - 2 to 3 Lamp T8HO/T12HO - 8' to 24' Lamp Length - Series
  6. Keystone KTSB-E-0832-24-1-S - Electronic Sign Ballast - 2 to 4 Lamp T8HO/T12HO - 8' to 32' Lamp Length - Series
  7. Keystone KTSB-E-0848-46-UV - Electronic Sign Ballast - 4 to 6 Lamp T8HO/T12HO - 6' to 48' Lamp Length - Parallel
  8. Keystone KTSB-E-1040-14-UV - Electronic Sign Ballast - 1 to 4 Lamp T8HO/T12HO - 8' to 40' Lamp Length - Parallel
  9. Keystone KTSB-E-2448-46-1-S - Electronic Sign Ballast - 4 to 6 Lamp T8HO/T12HO - 24' to 48' Lamp Length - Series

9 Item(s)