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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.  

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Keystone Technologies KTEB-126-1-TP LeanLight Keystone Technologies KTEB-126-1-TP LeanLight Save 19% Save %
$20.99
$20.99 - $20.99
$20.99
$16.99
$16.99 - $16.99
$16.99

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

Keystone Technologies
13 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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$20.99
$20.99 - $20.99
$20.99
$16.99
$16.99 - $16.99
$16.99
Save 19% Save %
Keystone Technologies KTEB-2C72-1-TP-WS LeanLight Keystone Technologies KTEB-2C72-1-TP-WS LeanLight
$21.49 - $21.49
$21.49
$21.49 - $21.49
$21.49

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

Keystone Technologies
18 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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$21.49 - $21.49
$21.49
$21.49 - $21.49
$21.49
Keystone Technologies KTEB-120-1-TP LeanLight Keystone Technologies KTEB-120-1-TP LeanLight Save 36% Save %
$21.99
$21.99 - $21.99
$21.99
$13.99
$13.99 - $13.99
$13.99

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

Keystone Technologies
44 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 electro...

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$21.99
$21.99 - $21.99
$21.99
$13.99
$13.99 - $13.99
$13.99
Save 36% Save %
Keystone Technologies KTEB-240-1-TP /C LeanLight Keystone Technologies KTEB-240-1-TP /C LeanLight Sold out
$42.99
$42.99 - $42.99
$42.99
$38.99
$38.99 - $38.99
$38.99

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

Keystone Technologies
Out of 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 c...

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$42.99
$42.99 - $42.99
$42.99
$38.99
$38.99 - $38.99
$38.99
Sold out
Keystone Technologies KTET-60-1-WC-F LeanLight Keystone Technologies KTET-60-1-WC-F LeanLight Save 11% Save %
$22.99
$22.99 - $22.99
$22.99
$20.49
$20.49 - $20.49
$20.49

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

Keystone Technologies
Only 10 left!

Keystone KTET-60-1-WC-F 60W Low Voltage Transformer Ballast for 12V Halogen Lighting Professional-grade low voltage transformer ballast engineered ...

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$22.99
$22.99 - $22.99
$22.99
$20.49
$20.49 - $20.49
$20.49
Save 11% Save %
Keystone Technologies KTEB-220-1-TP-EMI /C LeanLight Keystone Technologies KTEB-220-1-TP-EMI /C LeanLight Save 36% Save %
$38.99
$38.99 - $38.99
$38.99
$24.99
$24.99 - $24.99
$24.99

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

Keystone Technologies
20 in stock

The Keystone KTEB-220-1-TP-EMI 2-lamp T12 fluorescent ballast is a rapid-start electronic ballast built for 2ft T12 linear fluorescent tubes. Rated...

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$38.99
$38.99 - $38.99
$38.99
$24.99
$24.99 - $24.99
$24.99
Save 36% Save %
Keystone Technologies KTEB-232-UV-IS-N-P-KTEB-232-UV-IS-N-P-10 LeanLight Keystone Technologies KTEB-232-UV-IS-N-P-KTEB-232-UV-IS-N-P-10 LeanLight Save up to 32% Save %
$239.99
$23.99 - $239.99
$239.99
$23.99 - $162.50
$23.99 - $162.50
$23.99

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

Keystone Technologies
82 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. Th...

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$239.99
$23.99 - $239.99
$239.99
$23.99 - $162.50
$23.99 - $162.50
$23.99
Save up to 32% Save %
Keystone Technologies KTEB-254HO-UV-PS-SL-KTEB-254HO-UV-PS-SL-20 LeanLight Keystone Technologies KTEB-254HO-UV-PS-SL-KTEB-254HO-UV-PS-SL-20 LeanLight
$28.99 - $480.00
$28.99 - $480.00
$28.99 - $480.00
$28.99

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

Keystone Technologies
58 in stock

The Keystone KTEB-254HO-UV-PS-SL is a program start electronic T5HO ballast designed for reliable operation of 1 or 2 T5HO fluorescent lamps (F54T5...

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$28.99 - $480.00
$28.99 - $480.00
$28.99 - $480.00
$28.99
Keystone Technologies KTEB-432-UV-IS-N-P LeanLight Keystone Technologies KTEB-432-UV-IS-N-P LeanLight Save 4% Save %
$26.99
$26.99 - $26.99
$26.99
$25.99
$25.99 - $25.99
$25.99

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

Keystone Technologies
Only 9 left!

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 fluorescen...

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$26.99
$26.99 - $26.99
$26.99
$25.99
$25.99 - $25.99
$25.99
Save 4% Save %
Keystone Technologies KTEB-226-1-TP LeanLight
$26.99 - $26.99
$26.99
$26.99 - $26.99
$26.99

Keystone Technologies KTEB-226-1-TP 1 or 2-Lamp Electronic CFL Ballast - 26W, 120V

Keystone Technologies
27 in stock

Ballast 2 CF26/4P CFL lamps 120V electronic compact fluorescent ballast. This ballast will operate 2 or 1 26W lamps. The dimensions are 6.61IN(L)x1...

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$26.99 - $26.99
$26.99
$26.99 - $26.99
$26.99
Keystone Technologies KTEB-232RIS-1-TP-SL LeanLight Keystone Technologies KTEB-232RIS-1-TP-SL LeanLight
$20.99 - $20.99
$20.99
$20.99 - $20.99
$20.99

Keystone KTEB-232RIS-1-TP-SL Electronic Ballast, 2-Lamp, 32W T8, F32T8, 120V

Keystone Technologies
74 in stock

Maximize your lighting flexibility with this versatile Keystone electronic ballast, engineered to power one or two 32-watt T8 lamps with exceptiona...

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$20.99 - $20.99
$20.99
$20.99 - $20.99
$20.99
Keystone Technologies KT-LED15T8-48GC-840-D/G3 LeanLight Keystone Technologies KT-LED15T8-48GC-840-D/G3 LeanLight
$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99

Keystone KT-LED15T8-48GC-840-D/G3 (2 Pack) Direct Drive T8 LED Tubes - 4000K, 15W, 120-277V

Keystone Technologies
433 in stock

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

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$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99
Keystone Technologies KTEB-114-1-TP-FC /P LeanLight
$21.99 - $21.99
$21.99
$23.99
$23.99 - $23.99
$23.99

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

Keystone Technologies
92 in stock

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

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$21.99 - $21.99
$21.99
$23.99
$23.99 - $23.99
$23.99
Keystone Technologies KT-LED7T8-24GC-840-D LeanLight Keystone Technologies KT-LED7T8-24GC-840-D LeanLight Save 30% Save %
$25.99
$25.99 - $25.99
$25.99
$18.29
$18.29 - $18.29
$18.29

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

Keystone Technologies
Only 6 left!

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

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$25.99
$25.99 - $25.99
$25.99
$18.29
$18.29 - $18.29
$18.29
Save 30% Save %
Keystone Technologies KT-LED15T8-48GC-850-D/G3 LeanLight Keystone Technologies KT-LED15T8-48GC-850-D/G3 LeanLight
$24.38 - $24.38
$24.38
$24.38 - $24.38
$24.38

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

Keystone Technologies
270 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.  Direct ...

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$24.38 - $24.38
$24.38
$24.38 - $24.38
$24.38
Keystone Technologies KTEB-432RIS-1-TP-SL LeanLight
$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99

Keystone KTEB-432RIS-1-TP-SL 4 Lamp F32T8 120V Electronic Ballast

Keystone Technologies
43 in stock

The Keystone Technologies KTEB-432RIS-1-TP-SL is a high-performance 120V residential electronic ballast designed for 3 or 4 lamp T8 fluorescent fix...

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$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99
Keystone Technologies KT-LED15T8-48GC-840-D/G3-25 LeanLight Keystone Technologies KT-LED15T8-48GC-840-D/G3-25 LeanLight Save 12% Save %
$276.99
$276.99 - $276.99
$276.99
$243.77
$243.77 - $243.77
$243.77

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

Keystone Technologies
17 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, nat...

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$276.99
$276.99 - $276.99
$276.99
$243.77
$243.77 - $243.77
$243.77
Save 12% Save %
Keystone Technologies KTEB-454HO-UV-PS-KTEB-454HO-UV-PS-10 LeanLight Keystone Technologies KTEB-454HO-UV-PS-KTEB-454HO-UV-PS-10 LeanLight Save up to 10% Save %
$48.99
$48.99 - $48.99
$48.99
$44.29 - $400.00
$44.29 - $400.00
$44.29

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

Keystone Technologies
69 in stock

The Keystone KTEB-454HO-UV-PS is a high-performance electronic ballast designed for T5HO fluorescent lighting systems. This 54-watt unit powers up ...

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$48.99
$48.99 - $48.99
$48.99
$44.29 - $400.00
$44.29 - $400.00
$44.29
Save up to 10% Save %
Keystone Technologies KTEB-128-1-TP-FC-PH/D LeanLight
$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99

Keystone KTEB-128-1-TP-FC-PH 1-Lamp 28 Watt T5 Fluorescent Ballast - 120V

Keystone Technologies
28 in stock

Keystone KTEB-128-1-TP-FC-PH Fluorescent Ballast, 1-Lamp, 28W, T5 F28T5, 120V. Use this ballast for (1) F28T5, (1)F21T5, or (2) F14T5 fluorescent ...

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$23.99 - $23.99
$23.99
$23.99 - $23.99
$23.99
Keystone Technologies KTEB-132-1-TP-FC LeanLight Keystone Technologies KTEB-132-1-TP-FC LeanLight
$19.29 - $19.29
$19.29
$19.29 - $19.29
$19.29

Keystone 1-Lamp 32 Watt T8 Fluorescent Ballast - KTEB-132-1-TP-FC

Keystone Technologies
43 in stock

Keystone Technologies KTEB-132-1-TP-FC 1-lamp, 32 watt T8 Linear Fluorescent Ballast delivers reliable performance for T8 and T12 single-lamp fixtu...

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$19.29 - $19.29
$19.29
$19.29 - $19.29
$19.29
Keystone Technologies KT-LED15T8-48GC-850-DX2-25 LeanLight Keystone Technologies KT-LED15T8-48GC-850-DX2-25 LeanLight Save 20% Save %
$232.99
$232.99 - $232.99
$232.99
$186.50
$186.50 - $186.50
$186.50
25.0item | $7.46 / item

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

Keystone Technologies
18 in stock

Keystone KT-LED15T8-48GC-850-DX2 4-Foot T8 LED Tube Replacement (25-Pack) Upgrade your facility with Keystone's ballast-bypass T8 LED tubes—the sma...

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$232.99
$232.99 - $232.99
$232.99
$186.50
$186.50 - $186.50
$186.50
25.0item | $7.46 / item
Save 20% Save %
Keystone Technologies KT-LED15T8-48GC-850-S LeanLight Keystone Technologies KT-LED15T8-48GC-850-S LeanLight
$23.67 - $23.67
$23.67
$23.67 - $23.67
$23.67

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

Keystone Technologies
Only 9 left!

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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$23.67 - $23.67
$23.67
$23.67 - $23.67
$23.67
Keystone Technologies KTSB-E-0848-46-UV /A LeanLight Keystone Technologies KTSB-E-0848-46-UV /A LeanLight
$168.99 - $168.99
$168.99
$178.94
$178.94 - $178.94
$178.94

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

Keystone Technologies
11 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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$168.99 - $168.99
$168.99
$178.94
$178.94 - $178.94
$178.94
Keystone Technologies KT-LED25.5T5HO-48GC-850-S-25 LeanLight Keystone Technologies KT-LED25.5T5HO-48GC-850-S-25 LeanLight Save 8% Save %
$325.00
$325.00 - $325.00
$325.00
$298.99
$298.99 - $298.99
$298.99

Keystone KT-LED25.5T5HO-48GC-850-S (25 Pack) Smart Drive T5HO LED Tubes - 5000K, 25.5W, 4'

Keystone Technologies
17 in stock

Case of (25 pack) Keystone Technologies KT-LED25.5T5HO-48GC-850-S smart drive T5HO LED tubes. The type A (ballast compatible) tube replaces F54T5HO...

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$325.00
$325.00 - $325.00
$325.00
$298.99
$298.99 - $298.99
$298.99
Save 8% Save %

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