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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
Keystone KTEB-126-1-TP 1-Lamp 26 Watt Compact Fluorescent Ballast - G24q, 120V-LeanLight
$13.71 - $13.71
$13.71
$13.71 - $13.71
$13.71

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

Keystone Technologies
133 in stock

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

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$13.71 - $13.71
$13.71
$13.71 - $13.71
$13.71
Keystone KTEB-2C72-1-TP-WS 2-Lamp Circline Fluorescent Ballast - 72W, 120V-LeanLight
Keystone KTEB-2C72-1-TP-WS 2-Lamp Circline Fluorescent Ballast - 72W, 120V-LeanLight
$20.97 - $20.97
$20.97
$20.97 - $20.97
$20.97

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

Keystone Technologies
31 in stock

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

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$20.97 - $20.97
$20.97
$20.97 - $20.97
$20.97
Keystone KTEB-120-1-TP 1-Lamp 20 Watt T12 Fluorescent Ballast - G13, 120V-LeanLight
Keystone KTEB-120-1-TP 1-Lamp 20 Watt T12 Fluorescent Ballast - G13, 120V-LeanLight Save 14% Save %
$14.99
$14.99 - $14.99
$14.99
$12.92
$12.92 - $12.92
$12.92

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

Keystone Technologies
25 in stock

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

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$14.99
$14.99 - $14.99
$14.99
$12.92
$12.92 - $12.92
$12.92
Save 14% Save %
Keystone KTEB-240-1-TP 2-Lamp T12 Fluorescent Ballast - 40W, 120V-LeanLight
Keystone KTEB-240-1-TP 2-Lamp T12 Fluorescent Ballast - 40W, 120V-LeanLight
Save 26% Save %
$24.99
$24.99 - $24.99
$24.99
$18.45
$18.45 - $18.45
$18.45

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

Keystone Technologies
41 in stock

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

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$24.99
$24.99 - $24.99
$24.99
$18.45
$18.45 - $18.45
$18.45
Save 26% Save %
Keystone KTET-60-1-WC-F Halogen Low Voltage Transformer Ballast - 60W, 12V-LeanLight
Keystone KTET-60-1-WC-F Halogen Low Voltage Transformer Ballast - 60W, 12V-LeanLight
$24.75 - $24.75
$24.75
$24.75 - $24.75
$24.75

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

Keystone Technologies
32 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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$24.75 - $24.75
$24.75
$24.75 - $24.75
$24.75
Keystone KTEB-232-UV-IS-N-P 2-Lamp Instant Start Normal T8 Fluorescent Ballast-LeanLight
Keystone KTEB-232-UV-IS-N-P 2-Lamp Instant Start Normal T8 Fluorescent Ballast-LeanLight
Save 2% Save %
$22.99
$22.99 - $22.99
$22.99
$22.53
$22.53 - $22.53
$22.53

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

Keystone Technologies
62 in stock

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

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$22.99
$22.99 - $22.99
$22.99
$22.53
$22.53 - $22.53
$22.53
Save 2% Save %
Keystone KTEB-332-UV-IS-N-P Instant Start Normal 3 Lamp T8 Fluorescent Ballast - 50/60Hz, 120/277V-LeanLight
Keystone KTEB-332-UV-IS-N-P Instant Start Normal 3 Lamp T8 Fluorescent Ballast - 50/60Hz, 120/277V-LeanLight
Save 17% Save %
$23.99
$23.99 - $23.99
$23.99
$19.99
$19.99 - $19.99
$19.99

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

Keystone Technologies
15 in stock

  Description Keystone Technologies KTEB-332-UV-IS-N-P T8 instant start normal 3 lamp T8 fluorescent ballast with wire leads.  Use this ballast...

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$23.99
$23.99 - $23.99
$23.99
$19.99
$19.99 - $19.99
$19.99
Save 17% Save %
Keystone KTEB-254HO-UV-PS-SL 2-Lamp T5HO Fluorescent Ballast - 120/277V-LeanLight
$39.19 - $39.19
$39.19
$39.19 - $39.19
$39.19

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

Keystone Technologies
30 in stock

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

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$39.19 - $39.19
$39.19
$39.19 - $39.19
$39.19
Keystone KTEB-432-UV-IS-N-P Instant Start Normal 4 Lamp T8 Ballast - 50/60Hz, 120/277V-LeanLight
Keystone KTEB-432-UV-IS-N-P Instant Start Normal 4 Lamp T8 Ballast - 50/60Hz, 120/277V-LeanLight
$23.51 - $23.51
$23.51
$23.51 - $23.51
$23.51

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

Keystone Technologies
30 in stock

  Description 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...

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$23.51 - $23.51
$23.51
$23.51 - $23.51
$23.51
Keystone KT-LED15T8-48GC-840-D/G3 Natural White Direct Drive T8 LED Tube - 4000K, 15W, 120-277V-LeanLight
Keystone KT-LED15T8-48GC-840-D/G3 Natural White Direct Drive T8 LED Tube - 4000K, 15W, 120-277V-LeanLight
$26.44 - $26.44
$26.44
$26.44 - $26.44
$26.44

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

Keystone Technologies
689 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. Keys...

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$26.44 - $26.44
$26.44
$26.44 - $26.44
$26.44
Keystone KTEB-432-UV-IS-H-P Instant Start High Output 4 Lamp T8 Ballast - 50/60Hz, 120/277V-LeanLight
Keystone KTEB-432-UV-IS-H-P Instant Start High Output 4 Lamp T8 Ballast - 50/60Hz, 120/277V-LeanLight
Save 41% Save %
$26.99
$26.99 - $26.99
$26.99
$15.99
$15.99 - $15.99
$15.99

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

Keystone Technologies
111 in stock

  Description 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...

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$26.99
$26.99 - $26.99
$26.99
$15.99
$15.99 - $15.99
$15.99
Save 41% Save %
Keystone KTEB-114-1-TP-FC /P 1 or 2-Lamp T5 Electronic Ballast - 14W, 120V-LeanLight
$18.61 - $18.61
$18.61
$18.61 - $18.61
$18.61

Keystone KTEB-114-1-TP-FC /P 1 or 2-Lamp T5 Electronic Ballast - 14W, 120V

Keystone Technologies
36 in stock

  Description The Keystone KTEB-114-1-TP-FC is a 14W, 120V electronic ballast designed for (1) 14W or (2) 8W T5 fluorescent lights. This ballas...

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$18.61 - $18.61
$18.61
$18.61 - $18.61
$18.61
Keystone KT-LED15T8-48GC-850-D/G3 (25 Pack) Type B T8 LED Tube - 5000K, 15W, 120-LeanLight
Keystone KT-LED15T8-48GC-850-D/G3 (25 Pack) Type B T8 LED Tube - 5000K, 15W, 120-LeanLight
Save 19% Save %
$276.99
$276.99 - $276.99
$276.99
$225.30
$225.30 - $225.30
$225.30

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

Keystone Technologies
Only 10 left!

  Description  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...

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$276.99
$276.99 - $276.99
$276.99
$225.30
$225.30 - $225.30
$225.30
Save 19% Save %
KT-LED7T8-24GC-840-D | Natural White 2FT Direct Drive T8 LED Tube - 4000K, 7W, 120/277V-LeanLight
KT-LED7T8-24GC-840-D | Natural White 2FT Direct Drive T8 LED Tube - 4000K, 7W, 120/277V-LeanLight
Save 38% Save %
$25.99
$25.99 - $25.99
$25.99
$15.99
$15.99 - $15.99
$15.99

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

Keystone Technologies
13 in stock

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

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$25.99
$25.99 - $25.99
$25.99
$15.99
$15.99 - $15.99
$15.99
Save 38% Save %
Keyston KT-LED15T8-48GC-850-D/G3 Cool White Direct Drive T8 LED Tube - 5000K, 15W, 120-277V, 4'-LeanLight
Keyston KT-LED15T8-48GC-850-D/G3 Cool White Direct Drive T8 LED Tube - 5000K, 15W, 120-277V, 4'-LeanLight
$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99

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

Keystone Technologies
266 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.  Dire...

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$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99
Keystone KT-LED15T8-48GC-840-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 4000K-LeanLight
Keystone KT-LED15T8-48GC-840-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 4000K-LeanLight
Save 19% Save %
$276.99
$276.99 - $276.99
$276.99
$225.30
$225.30 - $225.30
$225.30

Keystone KT-LED15T8-48GC-840-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 4000K

Keystone Technologies
27 in stock

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

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$276.99
$276.99 - $276.99
$276.99
$225.30
$225.30 - $225.30
$225.30
Save 19% Save %
Keystone KTEB-454HO-UV-PS 4-Lamp 54 Watt T5HO Fluorescent Ballast - 120/277V-LeanLight
Keystone KTEB-454HO-UV-PS 4-Lamp 54 Watt T5HO Fluorescent Ballast - 120/277V-LeanLight
$42.56 - $42.56
$42.56
$42.56 - $42.56
$42.56

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

Keystone Technologies
Only 8 left!

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

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$42.56 - $42.56
$42.56
$42.56 - $42.56
$42.56
Keystone KT-LED15T8-48GC-850-DX2 (25 Pack) Ballast Bypass LED Tubes - 5000K, 15W, 120/277V, 4'-LeanLight
Keystone KT-LED15T8-48GC-850-DX2 (25 Pack) Ballast Bypass LED Tubes - 5000K, 15W, 120/277V, 4'-LeanLight
$234.01 - $234.01
$234.01
$234.01 - $234.01
$234.01

Keystone KT-LED15T8-48GC-850-DX2 (25 Pack) Ballast Bypass LED Tubes - 5000K, 15W, 120/277V, 4'

Keystone Technologies
28 in stock

  Description Replace fluorescent tubes with Keystone Technologies KT-LED15T8-48GC-850-DX2 4' 15W T8 ballast-bypass LED tube. Delivers 1,850 lu...

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$234.01 - $234.01
$234.01
$234.01 - $234.01
$234.01
Keystone KT-LED15T8-48GC-850-S Cool White Smart Drive T8 LED Tube - 5000K, 15W, 120/277V, 4'-LeanLight
Keystone KT-LED15T8-48GC-850-S Cool White Smart Drive T8 LED Tube - 5000K, 15W, 120/277V, 4'-LeanLight
$24.48 - $24.48
$24.48
$24.48 - $24.48
$24.48

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

Keystone Technologies
13 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 Driv...

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$24.48 - $24.48
$24.48
$24.48 - $24.48
$24.48
Keystone KTSB-E-0848-46-UV 4-6 Lamp T8HO/T12HO Instant Start Sign Ballast - 120/277V-LeanLight
Keystone KTSB-E-0848-46-UV 4-6 Lamp T8HO/T12HO Instant Start Sign Ballast - 120/277V-LeanLight
$176.10 - $176.10
$176.10
$176.10 - $176.10
$176.10

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

Keystone Technologies
12 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 s...

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$176.10 - $176.10
$176.10
$176.10 - $176.10
$176.10
Keystone KT-LED15T8-48GC-840-DX2 (25 Pack) Ballast Bypass LED Tubes - 4000K, 15W, 120/277V, 4'-LeanLight
Keystone KT-LED15T8-48GC-840-DX2 (25 Pack) Ballast Bypass LED Tubes - 4000K, 15W, 120/277V, 4'-LeanLight
$234.01 - $234.01
$234.01
$234.01 - $234.01
$234.01

Keystone KT-LED15T8-48GC-840-DX2 (25 Pack) Ballast Bypass LED Tubes - 4000K, 15W, 120/277V, 4'

Keystone Technologies
26 in stock

  Description Replace fluorescent tubes with Keystone Technologies KT-LED15T8-48GC-840-DX2 4' 15W T8 ballast-bypass LED tube. Delivers 2,000 lu...

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$234.01 - $234.01
$234.01
$234.01 - $234.01
$234.01
Keystone KT-LED15T8-48GC-830-D/G3 (2 Pack) Ballast Bypass T8 LED Tube - 3000K, 15W, 120-277V-LeanLight
Keystone KT-LED15T8-48GC-830-D/G3 (2 Pack) Ballast Bypass T8 LED Tube - 3000K, 15W, 120-277V-LeanLight
$29.38 - $29.38
$29.38
$29.38 - $29.38
$29.38

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

Keystone Technologies
81 in stock

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

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$29.38 - $29.38
$29.38
$29.38 - $29.38
$29.38
KT-LED15T8-48GC-840-S | Natural White Smart Drive T8 LED Tube, 4000K, 15W, 120/277V, 4'-LeanLight
KT-LED15T8-48GC-840-S | Natural White Smart Drive T8 LED Tube, 4000K, 15W, 120/277V, 4'-LeanLight
$23.06 - $23.06
$23.06
$23.06 - $23.06
$23.06

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

Keystone Technologies
49 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 D...

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$23.06 - $23.06
$23.06
$23.06 - $23.06
$23.06
KT-LED25.5T5HO-48GC-850-S | Cool White Smart Drive T5 LED Tube - 5000K, 25.5W, 120/277V, 4'-LeanLight
KT-LED25.5T5HO-48GC-850-S | Cool White Smart Drive T5 LED Tube - 5000K, 25.5W, 120/277V, 4'-LeanLight
$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99

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

Keystone Technologies
70 in stock

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

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$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99

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