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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 Technologies KT-LED25T5HO-48GC-850-DX2-25 LeanLight Keystone Technologies KT-LED25T5HO-48GC-850-DX2-25 LeanLight Save 3% Save %
$379.99
$379.99 - $379.99
$379.99
$370.23
$370.23 - $370.23
$370.23

Keystone KT-LED25T5HO-48GC-850-DX2 (25 Pack) Ballast Bypass T5 LED Tubes - 5000K, 25W, 120/277V, 4'

Keystone Technologies
Only 6 left!

  Description The Keystone KT-LED25T5HO-48GC-850-DX2 (25 Pack) Ballast Bypass T5 LED Tubes are a reliable and cost-effective source of light for l...

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$379.99
$379.99 - $379.99
$379.99
$370.23
$370.23 - $370.23
$370.23
Save 3% Save %
Keystone Technologies KT-LED12T8-48G-8CSJ-DX2-25 LeanLight Keystone Technologies KT-LED12T8-48G-8CSJ-DX2-25 LeanLight
$278.99 - $278.99
$278.99
$278.99 - $278.99
$278.99

Keystone KT-LED12T8-48G-8CSJ-DX2 (25 Pack) Color Select Ballast Bypass LED Tubes - 12W, 120/277V, 4'

Keystone Technologies
Only 10 left!

  Description Improve your outdated fluorescent lighting with a pack of 25 Keystone KT-LED12T8-48G-8CSJ-DX2 color-selectable LED tubes. These 12 w...

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$278.99 - $278.99
$278.99
$278.99 - $278.99
$278.99
Keystone Technologies KT-LED15T8-48GC-840-DX2-25 LeanLight Keystone Technologies KT-LED15T8-48GC-840-DX2-25 LeanLight
$232.99 - $232.99
$232.99
$232.99 - $232.99
$232.99

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

Keystone Technologies
20 in stock

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

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$232.99 - $232.99
$232.99
$232.99 - $232.99
$232.99
Keystone Technologies KT-LED15T8-48GC-850-D/G3-25 LeanLight Keystone Technologies KT-LED15T8-48GC-850-D/G3-25 LeanLight Save 12% Save %
$276.99
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$276.99
$242.99
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$242.99

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, 1...

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$276.99
$276.99 - $276.99
$276.99
$242.99
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$242.99
Save 12% Save %
Keystone Technologies KT-LED27HID-E26-850-D/G2 LeanLight Keystone Technologies KT-LED27HID-E26-850-D/G2 LeanLight
$58.99 - $58.99
$58.99
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Keystone LED HID Retrofit Lamp with Medium Base - 5000K, 27W=100W, KT-LED27HID-E26-850-D/G2

Keystone Technologies
17 in stock

  Description 2nd Generation Keystone LED Corn Cob Retrofit Bulb 120-277V - The Keystone Direct Drive HID LED corn cob style LED lamp has a lumen ...

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$58.99 - $58.99
$58.99
$58.99 - $58.99
$58.99
Keystone Technologies KTEB-275-UV-TP-PIC-SL LeanLight Keystone Technologies KTEB-275-UV-TP-PIC-SL LeanLight
$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99

Keystone Technologies KTEB-275-UV-TP-PIC-SL Electronic Ballast - (2)F96T12, 120/277V

Keystone Technologies
Only 9 left!

The Keystone Technologies KTEB-275-UV-TP-PIC-SL is a professional-grade electronic ballast with wire leads is engineered to power dual F96T12 fluor...

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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
Keystone Technologies KT-EMRG-LED-5C-500-K1 LeanLight
$108.49 - $108.49
$108.49
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$108.49

Keystone KT-EMRG-LED-5C-500-K1-IP LED Emergency Battery Backup

Keystone Technologies
17 in stock

Keystone KT-EMRG-LED-5C-500-K1-IPKeystone's emergency LED fixture delivers reliable backup lighting when you need it most. This compact unit featur...

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$108.49 - $108.49
$108.49
$108.49 - $108.49
$108.49
Keystone Technologies KT-EMRG-700 LeanLight
$72.99 - $72.99
$72.99
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$72.99

Keystone Technologies KT-EMRG-700 120-277V, 600-700 LUMENS, 17-215W, Lighting Ballast…

Keystone Technologies
Only 10 left!

KEYSTONE TECHNOLOGIES KT-EMRG-700 120-277V, 600-700 LUMENS, 17-215W, Lighting Ballast…n KEYSTONE TECHNOLOGIES KT-EMRG-700 120-277V, 600-700 LUMENS...

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$72.99 - $72.99
$72.99
$72.99 - $72.99
$72.99
Keystone Technologies KTLD-15-UV-PS300-54-VDIM-LP1 LeanLight Keystone Technologies KTLD-15-UV-PS300-54-VDIM-LP1 LeanLight Save 14% Save %
$24.99
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$24.99
$21.39
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$21.39

Keystone KTLD-15-UV-PS300-54-VDIM-LP1 Power Select 15W LED Driver - 200-300mA, 120/277V

Keystone Technologies
248 in stock

Keystone Technologies KTLD-15-UV-PS300-54-VDIM-LP1 Power Select constant current LED driver is 15 watts with field selectable output currents inclu...

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$24.99
$24.99 - $24.99
$24.99
$21.39
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$21.39
Save 14% Save %
Keystone Technologies KTLD-25-UV-PS450-54-VDIM-LP2 LeanLight Keystone Technologies KTLD-25-UV-PS450-54-VDIM-LP2 LeanLight Save 14% Save %
$24.99
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$24.99
$21.39
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$21.39

Keystone KTLD-25-UV-PS450-54-VDIM-LP2 Power Select 25W LED Driver - 300-450mA, 120/277V

Keystone Technologies
20 in stock

The Keystone Technologies KTLD-25-UV-PS450-54-VDIM-LP2 Power Select LED driver delivers a reliable 25-watt constant current output with selectable ...

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$24.99
$24.99 - $24.99
$24.99
$21.39
$21.39 - $21.39
$21.39
Save 14% Save %
Keystone Technologies KTLD-25-UV-PS600-42-VDIM-LP2 LeanLight Keystone Technologies KTLD-25-UV-PS600-42-VDIM-LP2 LeanLight Save 6% Save %
$24.99
$24.99 - $24.99
$24.99
$23.45
$23.45 - $23.45
$23.45

Keystone KTLD-25-UV-PS600-42-VDIM-LP2 Power Select 25W LED Driver - 450-600mA, 120/277V

Keystone Technologies
219 in stock

The Keystone Technologies KTLD-25-UV-PS600-42-VDIM-LP2 Power Select LED driver provides a dependable 25-watt constant current output with adjustabl...

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$24.99
$24.99 - $24.99
$24.99
$23.45
$23.45 - $23.45
$23.45
Save 6% Save %
Keystone Technologies KT-EMRG-LED-12C-1200-K1 LeanLight
$92.99 - $92.99
$92.99
$92.99 - $92.99
$92.99

Keystone 12 watt 120/277 Volt LED Emergency Driver Kit KT-EMRG-LED-12C-1200

Keystone Technologies
Only 10 left!

The Keystone KT-EMRG-LED-12C-1200 12 Watt 120/277 Volt LED Emergency Driver Kit delivers reliable backup power for LED fixtures during outages. Thi...

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$92.99 - $92.99
$92.99
$92.99 - $92.99
$92.99
Keystone Technologies KT-EMRG-LED-12C-1200 LeanLight
$192.03 - $192.03
$192.03
$192.03 - $192.03
$192.03

Keystone 12 Watt 120/277 Volt LED Emergency Driver Kit - KT-EMRG-LED-12C-1200

Keystone Technologies
32 in stock

12 watt - 120/277 volt - LED - Constant Wattage | Keystone Emergency Driver Kit 12 watt - 120/277 volt - LED - Constant Wattage | Keystone Emergen...

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$192.03 - $192.03
$192.03
$192.03 - $192.03
$192.03
Keystone Technologies KTLD-24-UV-24V LeanLight
$54.99 - $54.99
$54.99
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$54.99

Keystone KTLD-24-UV-24V Constant Voltage LED Driver 24W Max 24V Output

Keystone Technologies
Only 10 left!

Input Voltage: 120-277VMax. Power: 24WOutput Current: 1000mAOutput Type: Constant VoltageOutput Voltage: 24VWarranty: 5 Years Input Voltage: 120-2...

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$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99
Keystone Technologies KTEB-332-UV-IS-N-P-KTEB-332-UV-IS-N-P-10 LeanLight Keystone Technologies KTEB-332-UV-IS-N-P-KTEB-332-UV-IS-N-P-10 LeanLight
$25.99 - $198.00
$25.99 - $198.00
$25.99 - $198.00
$25.99

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

Keystone Technologies
In stock

Keystone KTEB-332-UV-IS-N-P T8 Instant Start Fluorescent Ballast for 3-Lamp ConfigurationsHigh-performance electronic ballast designed for instant-...

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$25.99 - $198.00
$25.99 - $198.00
$25.99 - $198.00
$25.99
Keystone Technologies KTEB-228HE-UV-PS-SL-KTEB-228HE-UV-PS-SL-20 LeanLight Keystone Technologies KTEB-228HE-UV-PS-SL-KTEB-228HE-UV-PS-SL-20 LeanLight
$29.99 - $470.00
$29.99 - $470.00
$29.99 - $470.00
$29.99

Keystone Technologies KTEB-228HE-UV-PS-SL 1 or 2-Lamp T5 High Efficiency Ballast

Keystone Technologies
In stock

Keystone KTEB-228HE-UV-PS-SL T5 Ballast — High-Efficiency 1 or 2-Lamp Electronic Ballast for F28T5, F21T5 & F14T5Professional-grade T5 ballast ...

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$29.99 - $470.00
$29.99 - $470.00
$29.99 - $470.00
$29.99

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