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Keystone Technologies

Keystone Technologies was founded in 1945 by Marvin Spielman and Harold Fox. Starting with fluorescent ballast, Keystone has expanded their product line to fluorescent lamps, LED drivers, LED tubes and lamps.  

  • Keystone KTEB-126-1-TP 1-Lamp 26 Watt Compact Fluorescent Ballast - G24q, 120V-LeanLight
    $14.24 - $14.24
    $14.24
    $14.24 - $14.24
    $14.24

    Keystone KTEB-126-1-TP 1-Lamp 26 Watt Compact Fluorescent Ballast - G24q, 120V

    Keystone
    In stock

    Keystone Technologies KTEB-126-1-TP 1-lamp 26 watt compact fluorescent ballast made for bulbs with a 4-pin G24q base.  The Keystone CFL ballast is...

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    $14.24 - $14.24
    $14.24
    $14.24 - $14.24
    $14.24
  • Keystone KTEB-2C72-1-TP-WS 2-Lamp Circline Fluorescent Ballast - 72W, 120V-LeanLight
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    Keystone KTEB-2C72-1-TP-WS 2-Lamp Circline Fluorescent Ballast - 72W, 120V

    Keystone
    In stock

    Keystone Technologies KTEB-2C72-1-TP-WS 2-lamp Circline fluorescent ballast works with FC12T9 and FC16T9 Circline lamps.  The Keystone electronic ...

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    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Keystone KTEB-120-1-TP 1-Lamp 20 Watt T12 Fluorescent Ballast - G13, 120V-LeanLight
    Save 24% Save %
    $14.99
    $14.99 - $14.99
    $14.99
    $11.41
    $11.41 - $11.41
    $11.41

    Keystone KTEB-120-1-TP 1-Lamp 20 Watt T12 Fluorescent Ballast - G13, 120V

    Keystone
    In stock

    Keystone Technologies KTEB-120-1-TP 1-lamp 20 watt T12 fluorescent ballast made for T12 2ft linear tubes and other T12 lamps.  The Keystone electr...

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    $14.99
    $14.99 - $14.99
    $14.99
    $11.41
    $11.41 - $11.41
    $11.41
    Save 24% Save %
  • Keystone KTEB-240-1-TP 2-Lamp T12 Fluorescent Ballast - 40W, 120V-LeanLight
    $17.07 - $17.07
    $17.07
    $17.07 - $17.07
    $17.07

    Keystone KTEB-240-1-TP 2-Lamp T12 Fluorescent Ballast - 40W, 120V

    Keystone
    In stock

    Keystone Technologies KTEB-240-1-TP 2-lamp 40 watt T12 fluorescent ballast made for T8 and T12 4ft linear tubes and other fluorescent lamps.  The ...

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    $17.07 - $17.07
    $17.07
    $17.07 - $17.07
    $17.07
  • Keystone KTET-60-1-WC-F Halogen Low Voltage Transformer Ballast - 60W, 12V-LeanLight
    $19.59 - $19.59
    $19.59
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    $19.59

    Keystone KTET-60-1-WC-F Halogen Low Voltage Transformer Ballast - 60W, 12V

    Keystone
    41 in stock

    Keystone Technologies KTET-60-1-WC-F low voltage transformer ballast for 12 volt halogen bulbs.  The non dimmable halogen transformer has an inpu...

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    $19.59 - $19.59
    $19.59
    $19.59 - $19.59
    $19.59
  • Keystone KTEB-220-1-TP-EMI 2-Lamp T12 Fluorescent Ballast - 20W, 120VAC-LeanLight
    $14.42 - $14.42
    $14.42
    $14.42 - $14.42
    $14.42

    Keystone KTEB-220-1-TP-EMI 2-Lamp T12 Fluorescent Ballast - 20W, 120VAC

    Keystone
    In stock

    Keystone Technologies KTEB-220-1-TP-EMI 2-lamp 20 watt T12 fluorescent ballast made for T12 2ft linear tubes and other T12 lamps.  The Keystone el...

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    $14.42 - $14.42
    $14.42
    $14.42 - $14.42
    $14.42
  • Keystone KTEB-232-UV-IS-N-P Instant Start Normal 2 Lamp T8 Fluorescent Ballast - 120/277V-LeanLight
    $16.59 - $16.59
    $16.59
    $16.59 - $16.59
    $16.59

    Keystone KTEB-232-UV-IS-N-P Instant Start Normal 2 Lamp T8 Fluorescent Ballast - 120/277V

    Keystone
    In stock

    Keystone Technologies KTEB-232-UV-IS-N-P instant start electronic T8 ballast with leads.  Use this 2-lamp ballast to run F32T8 fluorescent lamps. ...

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    $16.59 - $16.59
    $16.59
    $16.59 - $16.59
    $16.59
  • Keystone KTEB-332-UV-IS-N-P Instant Start Normal 3 Lamp T8 Fluorescent Ballast - 50/60Hz, 120/277V-LeanLight
    $17.93 - $17.93
    $17.93
    $17.93 - $17.93
    $17.93

    Keystone KTEB-332-UV-IS-N-P Instant Start Normal 3 Lamp T8 Fluorescent Ballast - 50/60Hz, 120/277V

    Keystone
    In stock

    Keystone Technologies KTEB-332-UV-IS-N-P T8 instant start normal 3 lamp T8 fluorescent ballast with wire leads.  Use this ballast to run (3) F32T8...

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    $17.93 - $17.93
    $17.93
    $17.93 - $17.93
    $17.93
  • Keystone KTEB-254HO-UV-PS-SL 2-Lamp T5HO Fluorescent Ballast - 120/277V-LeanLight
    $27.71 - $27.71
    $27.71
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    $27.71

    Keystone KTEB-254HO-UV-PS-SL 2-Lamp T5HO Fluorescent Ballast - 120/277V

    Keystone
    In stock

    Keystone Technologies KTEB-254-UV-PS-SL program start electronic T5HO ballast with leads.  Use this 2-lamp ballast to run F54T5HO and all other T5...

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    $27.71 - $27.71
    $27.71
    $27.71 - $27.71
    $27.71
  • Keystone KTEB-432-UV-IS-N-P | Instant Start Normal 4 Lamp T8 Ballast - 50/60Hz, 120/277V-LeanLight
    $19.70 - $19.70
    $19.70
    $19.70 - $19.70
    $19.70

    Keystone KTEB-432-UV-IS-N-P Instant Start Normal 4 Lamp T8 Ballast - 50/60Hz, 120/277V

    Keystone
    In stock

    Keystone Technologies KTEB-432-UV-IS-N-P instant start high output 4 lamp T8 ballast with wire leads.  Use this ballast to run (4) F32T8 fluoresce...

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    $19.70 - $19.70
    $19.70
    $19.70 - $19.70
    $19.70
  • Keystone KTSB-E-2048-46-UV-S 4-6 Lamp T8HO/T12HO Rapid Start Sign Ballast - 120V-LeanLight
    $149.51 - $149.51
    $149.51
    $149.51 - $149.51
    $149.51

    Keystone KTSB-E-2048-46-UV-S 4-6 Lamp T8HO/T12HO Rapid Start Sign Ballast - 120V

    Keystone
    In stock

    Keystone Technologies KTSB-E-2048-46-UV-S 4 to 6-lamp electronic sign ballast.  The high quality sign ballast works with 20' to 48' T8HO and T12HO...

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    $149.51 - $149.51
    $149.51
    $149.51 - $149.51
    $149.51
  • KT-LED15T8-48GC-840-D/G3 | Natural White Direct Drive T8 LED Tube - 4000K, 15W, 120-277V-LeanLight
    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49

    KT-LED15T8-48GC-840-D/G3 | Natural White Direct Drive T8 LED Tube - 4000K, 15W, 120-277V

    Keystone
    In stock

    Keystone KT-LED15T8-48GC-840-D/G3 third generation, Type B (ballast bypass), 15W, 1850lm, natural white 4000K, 4' Direct Drive T8 LED tubes. Keyst...

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    $23.49 - $23.49
    $23.49
    $23.49 - $23.49
    $23.49
  • KTEB-432-UV-IS-H-P | Instant Start High Output 4 Lamp T8 Ballast - 50/60Hz, 120/277V-LeanLight
    $24.99 - $24.99
    $24.99
    $24.99 - $24.99
    $24.99

    KTEB-432-UV-IS-H-P | Instant Start High Output 4 Lamp T8 Ballast - 50/60Hz, 120/277V

    Keystone
    In stock

    Keystone Technologies KTEB-432-UV-IS-H-P instant start high output 4 lamp T8 ballast with wire leads.  Use this ballast to run (4) F32T8 fluoresce...

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    $24.99 - $24.99
    $24.99
    $24.99 - $24.99
    $24.99
  • KT-LED7T8-24GC-840-D | Natural White 2FT Direct Drive T8 LED Tube - 4000K, 7W, 120/277V-LeanLight
    $28.54 - $28.54
    $28.54
    $28.54 - $28.54
    $28.54

    KT-LED7T8-24GC-840-D | Natural White 2FT Direct Drive T8 LED Tube - 4000K, 7W, 120/277V

    Keystone
    In stock

    Keystone Technologies KT-LED7T8-24GC-840-D Type B (ballast bypass), 7W, 900lm, 4000K, 2FT T8 Direct Drive T8 LED tube.  Direct Drive eliminates th...

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    $28.54 - $28.54
    $28.54
    $28.54 - $28.54
    $28.54
  • KT-LED15T8-48GC-850-D/G3 | Cool White Direct Drive T8 LED Tube - 5000K, 15W, 120-277V, 4'-LeanLight
    $28.90 - $28.90
    $28.90
    $28.90 - $28.90
    $28.90

    KT-LED15T8-48GC-850-D/G3 | Cool White Direct Drive T8 LED Tube - 5000K, 15W, 120-277V, 4'

    Keystone
    In stock

     Keystone KT-LED15T8-48GC-850-D/G3 third generation, Type B (ballast bypass), 15W, 1930lm, cool white 5000K, 4', T8 Direct Drive LED tubes.  Direc...

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    $28.90 - $28.90
    $28.90
    $28.90 - $28.90
    $28.90
  • KT-LED7T8-24GC-850-D | Cool White 2FT Direct Drive T8 LED Tube - 5000K, 7W, 120/277V-LeanLight
    $18.79 - $18.79
    $18.79
    $18.79 - $18.79
    $18.79

    KT-LED7T8-24GC-850-D | Cool White 2FT Direct Drive T8 LED Tube - 5000K, 7W, 120/277V

    Keystone
    In stock

    Keystone Technologies KT-LED7T8-24GC-850-D Type B (ballast bypass), 7W, 900lm, 5000K, 2FT, T8 Direct Drive LED tube.  Direct Drive eliminates the ...

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    $18.79 - $18.79
    $18.79
    $18.79 - $18.79
    $18.79
  • Keystone KTEB-454HO-UV-PS 4-Lamp T5HO Fluorescent Ballast - 120/277V-LeanLight
    Save 10% Save %
    $48.99
    $48.99 - $48.99
    $48.99
    $44.13
    $44.13 - $44.13
    $44.13

    Keystone KTEB-454HO-UV-PS 4-Lamp 54 Watt T5HO Fluorescent Ballast - 120/277V

    Keystone
    In stock

    Keystone Technologies KTEB-454HO-UV-PS program start electronic T5HO ballast with leads.  Use this 4-lamp ballast to run F54T5HO and all other T5H...

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    $48.99
    $48.99 - $48.99
    $48.99
    $44.13
    $44.13 - $44.13
    $44.13
    Save 10% Save %
  • KT-LED15T8-48GC-850-D/G3 (25 Pack) | Type B T8 LED Tube - 5000K, 15W, 120-277V, 4'-LeanLight
    Save 28% Save %
    $276.99
    $276.99 - $276.99
    $276.99
    $199.95
    $199.95 - $199.95
    $199.95

    KT-LED15T8-48GC-850-D/G3 (25 Pack) | Type B T8 LED Tube - 5000K, 15W, 120-277V, 4'

    Keystone
    In stock

     Save when buying in case quantity with a 25 pack of Keystone KT-LED15T8-48GC-850-D/G3 non-dimmable, Type B (ballast bypass), 15W, 1930lm, cool wh...

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    $276.99
    $276.99 - $276.99
    $276.99
    $199.95
    $199.95 - $199.95
    $199.95
    Save 28% Save %
  • KT-LED15T8-48GC-840-D/G3 (25 Pack) | Type B T8 LED Tubes - 4000K, 15W, 120-277V, 4'-LeanLight
    Save 28% Save %
    $276.99
    $276.99 - $276.99
    $276.99
    $199.95
    $199.95 - $199.95
    $199.95

    Keystone KT-LED15T8-48GC-840-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 4000K, 15W, 120-277V, 4'

    Keystone
    In stock

    Save when buying in case quantity with a 25 pack of Keystone KT-LED15T8-48GC-840-D/G3 non-dimmable, Direct Drive (ballast bypass), 15W, 1850lm, na...

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    $276.99
    $276.99 - $276.99
    $276.99
    $199.95
    $199.95 - $199.95
    $199.95
    Save 28% Save %
  • KT-LED15T8-48GC-850-S | Cool White Smart Drive T8 LED Tube - 5000K, 15W, 120/277V, 4'-LeanLight
    $23.79 - $23.79
    $23.79
    $23.79 - $23.79
    $23.79

    KT-LED15T8-48GC-850-S | Cool White Smart Drive T8 LED Tube - 5000K, 15W, 120/277V, 4'

    Keystone
    In stock

    Keystone Technologies KT-LED15T8-48GC-850-S Type A (ballast compatible), 15W, 2200lm, cool white 5000K, 4', T8 smart drvie LED tubes.  Smart Drive...

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    $23.79 - $23.79
    $23.79
    $23.79 - $23.79
    $23.79
  • Keystone KTSB-E-0848-46-UV 4-6 Lamp T8HO/T12HO Instant Start Sign Ballast - 120/277V-LeanLight
    $166.58 - $166.58
    $166.58
    $166.58 - $166.58
    $166.58

    Keystone KTSB-E-0848-46-UV 4-6 Lamp T8HO/T12HO Instant Start Sign Ballast - 120/277V

    Keystone
    In stock

    Keystone Technologies KTSB-E-0848-46-UV 4 to 6-lamp electronic sign ballast.  The high quality sign ballast works with 8' to 48' T8HO and T12HO si...

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    $166.58 - $166.58
    $166.58
    $166.58 - $166.58
    $166.58
  • KT-LED15T8-48GC-830-D/G3 | Warm White Direct Drive T8 LED Tube - 3000K, 15W, 120-277V-LeanLight
    $29.99 - $29.99
    $29.99
    $29.99 - $29.99
    $29.99

    Keystone KT-LED15T8-48GC-830-D/G3 (2 Pack) Ballast Bypass T8 LED Tube - 3000K, 15W, 120-277V

    Keystone
    In stock

    2 pack of Keystone KT-LED15T8-48GC-830-D/G3 third generation, Type B (ballast bypass), 15W, 1750lm, warm white 3000K, 4', single-end powered T8 Di...

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    $29.99 - $29.99
    $29.99
    $29.99 - $29.99
    $29.99
  • KT-LED25.5T5HO-48GC-850-S | Cool White Smart Drive T5 LED Tube - 5000K, 25.5W, 120/277V, 4'-LeanLight
    $24.75 - $24.75
    $24.75
    $24.75 - $24.75
    $24.75

    KT-LED25.5T5HO-48GC-850-S | Cool White Smart Drive T5 LED Tube - 5000K, 25.5W, 120/277V, 4'

    Keystone
    In stock

    Keystone Technologies KT-LED25.5T5HO-48GC-850-S T5HO LED tube. The type A (ballast compatible) tube replaces F54T5HO fluorescent lamps operating w...

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    $24.75 - $24.75
    $24.75
    $24.75 - $24.75
    $24.75
  • KT-LED15T8-48GC-840-S | Natural White Smart Drive T8 LED Tube, 4000K, 15W, 120/277V, 4'-LeanLight
    $23.79 - $23.79
    $23.79
    $23.79 - $23.79
    $23.79

    KT-LED15T8-48GC-840-S | Natural White Smart Drive T8 LED Tube, 4000K, 15W, 120/277V, 4'

    Keystone
    In stock

    Keystone Technologies KT-LED15T8-48GC-840-S Type A (ballast compatible), 15W, 2200lm, natural white 4000K, 4', smart drvie T8 LED tubes.  Smart Dr...

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    $23.79 - $23.79
    $23.79
    $23.79 - $23.79
    $23.79