Skip to content

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-259-UV-IS-N Fluorescent Ballast,- 2-Lamp, F96T8, 96W T8, 120-277V-LeanLight
$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00

Keystone KTEB-259-UV-IS-N Fluorescent Ballast,- 2-Lamp, F96T8, 96W T8, 120-277V

Keystone Technologies
66 in stock

Keystone Technologies KTEB-259-UV-IS-N Electronic Fluorescent Ballast, Universal 120-277V Input, F96T8 59W, F96T8/ES 51W, F72T8 38W, F59T8 Lamps, I...

View full details
$22.00 - $22.00
$22.00
$22.00 - $22.00
$22.00
Keystone KTLD-15-UV-PS350-42-VDIM-LP1 Power Select 15W LED Driver - 0-10V dim, 120/277V-LeanLight Save 27% Save %
$27.99
$27.99 - $27.99
$27.99
$20.40
$20.40 - $20.40
$20.40

Keystone KTLD-15-UV-PS350-42-VDIM-LP1 Power Select 15W LED Driver - 0-10V dim, 120/277V

Keystone Technologies
247 in stock

Keystone Technologies KTLD-15-UV-PS350-42-VDIM-LP1 Power Select constant current LED driver is 15 watts with selectable output currents include 260...

View full details
$27.99
$27.99 - $27.99
$27.99
$20.40
$20.40 - $20.40
$20.40
Save 27% Save %
Keystone KTEB-332-UV-IS-N-P (10 Pack) 3-lamp 32 watt T8 Instant Start Electronic Ballast-LeanLight
$188.99 - $188.99
$188.99
$188.99 - $188.99
$188.99

Keystone KTEB-332-UV-IS-N-P (10 Pack) 3-lamp 32 watt T8 Instant Start Electronic Ballast

Keystone Technologies
In stock

Keystone KTEB-332-UV-IS-N-P T8 Instant Start Electronic Ballast 10 pack

$188.99 - $188.99
$188.99
$188.99 - $188.99
$188.99
Keystone KT-LED13T8-60P1S-865-D (9 Pack) 5' Single-Side Direct Drive T8 LED Sign Tubes- 6500K, 13W, 120-277V-LeanLight
Keystone KT-LED13T8-60P1S-865-D (9 Pack) 5' Single-Side Direct Drive T8 LED Sign Tubes- 6500K, 13W, 120-277V-LeanLight
$619.99 - $619.99
$619.99
$619.99 - $619.99
$619.99

Keystone KT-LED13T8-60P1S-865-D (9 Pack) 5' Single-Side Direct Drive T8 LED Sign Tubes- 6500K, 13W, 120-277V

Keystone Technologies
50 in stock

  Description 9 pack of Keystone KT-LED13T8-60P1S-865-D /G2 second generation, Type B (ballast bypass) Sign Hero LED tube for single-sided signs. ...

View full details
$619.99 - $619.99
$619.99
$619.99 - $619.99
$619.99
Keystone KT-LED15T8-48GC-830-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 3000K, 15W, 120-277V, 4'-LeanLight
Keystone KT-LED15T8-48GC-830-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 3000K, 15W, 120-277V, 4'-LeanLight
Save 12% Save %
$242.99
$242.99 - $242.99
$242.99
$214.99
$214.99 - $214.99
$214.99

Keystone KT-LED15T8-48GC-830-D/G3 (25 Pack) Direct Drive T8 LED Tubes - 3000K, 15W, 120-277V, 4'

Keystone Technologies
18 in stock

  Description Save when buying case quantity with a 25 pack of Keystone KT-LED15T8-48GC-830-D/G3 non-dimmable, Type B (ballast bypass), 15W, 1700l...

View full details
$242.99
$242.99 - $242.99
$242.99
$214.99
$214.99 - $214.99
$214.99
Save 12% Save %
KT-LED25.5T5HO-48GC-840-S | Natural White Smart Drive T5 LED Tube, 4000K, 25.5W, 120/277V, 4'-LeanLight
KT-LED25.5T5HO-48GC-840-S | Natural White Smart Drive T5 LED Tube, 4000K, 25.5W, 120/277V, 4'-LeanLight
$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

KT-LED25.5T5HO-48GC-840-S | Natural White Smart Drive T5 LED Tube, 4000K, 25.5W, 120/277V, 4'

Keystone Technologies
250 in stock

Keystone Technologies KT-LED25.5T5HO-48GC-840-S T5HO LED tube. The type A (ballast compatible) tube replaces F54T5HO fluorescent lamps operating w...

View full details
$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
Keystone KTSB-E-2048-46-UV-S 4-6 Lamp T8HO/T12HO Rapid Start Sign Ballast - 120V-LeanLight
Keystone KTSB-E-2048-46-UV-S 4-6 Lamp T8HO/T12HO Rapid Start Sign Ballast - 120V-LeanLight
Save 14% Save %
$176.99
$176.99 - $176.99
$176.99
$152.99
$152.99 - $152.99
$152.99

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

Keystone Technologies
Only 6 left!

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...

View full details
$176.99
$176.99 - $176.99
$176.99
$152.99
$152.99 - $152.99
$152.99
Save 14% Save %
KT-LED7T8-24GC-850-D | Cool White 2FT Direct Drive T8 LED Tube - 5000K, 7W, 120/277V-LeanLight
KT-LED7T8-24GC-850-D | Cool White 2FT Direct Drive T8 LED Tube - 5000K, 7W, 120/277V-LeanLight
Sold out
$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 Technologies
Out of 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 ...

View full details
$18.79 - $18.79
$18.79
$18.79 - $18.79
$18.79
Sold out
Keystone KTEB-140-1-TP-EMI-WS T9 Fluorescent Ballast-LeanLight
Keystone KTEB-140-1-TP-EMI-WS T9 Fluorescent Ballast-LeanLight
$22.99 - $22.99
$22.99
$22.99 - $22.99
$22.99

Keystone KTEB-140-1-TP-EMI-WS T9 Fluorescent Ballast

Keystone Technologies
In stock

The Keystone KTEB-140-1-TP-EMI-WS T9 Fluorescent Ballast with socket is designed for performance and safety, listed under UL/935 (Class P, Type HL,...

View full details
$22.99 - $22.99
$22.99
$22.99 - $22.99
$22.99
Keystone Selectable 27W LED Corn Bulb -18/22/27W, 30/40/50K, KT-LED27PSHID-E26-8CSB-D-LeanLight
Keystone Selectable 27W LED Corn Bulb -18/22/27W, 30/40/50K, KT-LED27PSHID-E26-8CSB-D-LeanLight
Save up to 13% Save %
$896.00
$54.99 - $896.00
$896.00
$54.99 - $778.50
$54.99 - $778.50
$54.99

Keystone Selectable 27W LED Corn Bulb -18/22/27W, 30/40/50K, KT-LED27PSHID-E26-8CSB-D

Keystone Technologies
32 in stock

DescriptionBrighten your space with the Keystone KT-LED27PSHID-E26-8CSB-D Selectable 27W LED Corn Bulb featuring a medium base. This versatile bulb...

View full details
$896.00
$54.99 - $896.00
$896.00
$54.99 - $778.50
$54.99 - $778.50
$54.99
Save up to 13% Save %
Keystone 100W Dual Selectable LED Corn Bulb with EX39 Base - KT-LED100PSHID-EX39-8CSB-D-LeanLight
Keystone 100W Dual Selectable LED Corn Bulb with EX39 Base - KT-LED100PSHID-EX39-8CSB-D-LeanLight
Save up to 15% Save %
$1,050.00
$169.99 - $1,050.00
$1,050.00
$169.99 - $887.95
$169.99 - $887.95
$169.99

Keystone 100W Dual Select LED Corn Bulb with EX39 Base - KT-LED100PSHID-EX39-8CSB-D

Keystone Technologies
34 in stock

Description Keystone Technologies KT-LED100PSHID-EX39-8CSB-D offers wattage options of 63, 80, or 100W and operates on 120/277 volts with an exclus...

View full details
$1,050.00
$169.99 - $1,050.00
$1,050.00
$169.99 - $887.95
$169.99 - $887.95
$169.99
Save up to 15% Save %
KEYSTONE 12699 - KT-LED36PSHID-E26-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb-LeanLight
$64.99 - $64.99
$64.99
$64.99 - $64.99
$64.99

KEYSTONE 12699 - KT-LED36PSHID-E26-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb

Keystone Technologies
17 in stock

18/27/36 Watts - 120/277 Volts - Medium Screw Base (E26) - 3,000K/4,000K/5,000K - CCT Selectable - Ballast Bypass - DirectDrive - Non-Dimmable | Ke...

View full details
$64.99 - $64.99
$64.99
$64.99 - $64.99
$64.99
KEYSTONE 12864 - KT-LED45PSHID-EX39-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb-LeanLight
$76.99 - $76.99
$76.99
$76.99 - $76.99
$76.99

KEYSTONE 12864 - KT-LED45PSHID-EX39-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb

Keystone Technologies
Only 7 left!

HID Replacement LED Bulb, Bulb Dia. 3 1/4 in, Bulb Shape HID, Bulb Style Corncob, Color Temperature 3000K, 4000K, 5000K, Lumens 3,645 lm, 3,780 lm,...

View full details
$76.99 - $76.99
$76.99
$76.99 - $76.99
$76.99
KEYSTONE 12884 - KT-LED63PSHID-EX39-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb-LeanLight
$99.49 - $99.49
$99.49
$99.49 - $99.49
$99.49

KEYSTONE 12884 - KT-LED63PSHID-EX39-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb

Keystone Technologies
Only 5 left!

HID Replacement LED Bulb, Bulb Dia. 3 1/4 in, Bulb Shape HID, Bulb Style Corncob, Color Temperature 3000K, 4000K, 5000K, Lumens 6,075 lm, 6,300 lm,...

View full details
$99.49 - $99.49
$99.49
$99.49 - $99.49
$99.49
KEYSTONE 12885 - KT-LED80PSHID-EX39-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb-LeanLight
$145.99 - $145.99
$145.99
$145.99 - $145.99
$145.99

KEYSTONE 12885 - KT-LED80PSHID-EX39-8CSB-D Omni Directional Flood HID Replacement LED Light Bulb

Keystone Technologies
29 in stock

HID Replacement LED Bulb, Bulb Dia. 5 in, Bulb Shape HID, Bulb Style Corncob, Color Temperature 3000K, 4000K, 5000K, Lumens 7,290 lm, 7,560 lm, 7,8...

View full details
$145.99 - $145.99
$145.99
$145.99 - $145.99
$145.99
Keystone KT-LED36PSHID-EX39-8CSB-D Color and Power Select LED Corn Bulb - 36W, 120~277V, EX39-LeanLight
$56.99 - $56.99
$56.99
$56.99 - $56.99
$56.99

Keystone KT-LED36PSHID-EX39-8CSB-D Color and Power Select LED Corn Bulb - 36W, 120~277V, EX39

Keystone Technologies
41 in stock

Boost your efficiency with the Keystone KT-LED36PSHID-EX39-8CSB-D Color and Power Select LED Corn Bulb. With a diameter of only 3 1/4 inches, this ...

View full details
$56.99 - $56.99
$56.99
$56.99 - $56.99
$56.99
Keystone KT-LED18PSHID-E26-8CSB-D Color and Power Select LED Corn Bulb - 18W, 120~277V, E26-LeanLight
Keystone KT-LED18PSHID-E26-8CSB-D Color and Power Select LED Corn Bulb - 18W, 120~277V, E26-LeanLight
$42.99 - $42.99
$42.99
$42.99 - $42.99
$42.99

Keystone KT-LED18PSHID-E26-8CSB-D Color and Power Select LED Corn Bulb - 18W, 120~277V, E26

Keystone Technologies
17 in stock

Upgrade your HID bulb with the Keystone KT-LED18PSHID-E26-8CSB-D Color and Power Select LED Corn Bulb. Enjoy the convenience of selecting between 3...

View full details
$42.99 - $42.99
$42.99
$42.99 - $42.99
$42.99
Keystone KT-WPLED120-L1-8CSB-VDIM Dusk to Dawn LED Wall Pack, 120 Watt, 17865 Lumens, 120-277V, Tunable White (3000K, 4000K or 5000K), DLC 5.1 and UL Listed-LeanLight
Keystone KT-WPLED120-L1-8CSB-VDIM Dusk to Dawn LED Wall Pack, 120 Watt, 17865 Lumens, 120-277V, Tunable White (3000K, 4000K or 5000K), DLC 5.1 and UL Listed-LeanLight
$192.99 - $192.99
$192.99
$192.99 - $192.99
$192.99

Keystone KT-WPLED120-L1-8CSB-VDIM Dusk to Dawn LED Wall Pack, 120 Watt, 17865 Lumens, 120-277V, Tunable White (3000K, 4000K or 5000K), DLC 5.1 and UL Listed

Keystone Technologies
18 in stock

Keystone’s XFit LED traditional wall packs are designed for easy, one-for-one, replacements to upgrade to energy efficient LED lighting. These wall...

View full details
$192.99 - $192.99
$192.99
$192.99 - $192.99
$192.99
Keystone KT-WPLED35-M1-8CSB-VDIM Dusk to Dawn LED Wall Pack, 35 Watt, 5460 Lumens, 120-277V, Tunable White (3000K, 4000K or 5000K), DLC 5.1 and UL Listed-LeanLight
Keystone KT-WPLED35-M1-8CSB-VDIM Dusk to Dawn LED Wall Pack, 35 Watt, 5460 Lumens, 120-277V, Tunable White (3000K, 4000K or 5000K), DLC 5.1 and UL Listed-LeanLight
$119.97 - $119.97
$119.97
$119.97 - $119.97
$119.97

Keystone KT-WPLED35-M1-8CSB-VDIM Dusk to Dawn LED Wall Pack, 35 Watt, 5460 Lumens, 120-277V, Tunable White (3000K, 4000K or 5000K), DLC 5.1 and UL Listed

Keystone Technologies
34 in stock

Keystone’s XFit LED traditional wall packs are designed for easy, one-for-one, replacements to upgrade to energy efficient LED lighting. These wall...

View full details
$119.97 - $119.97
$119.97
$119.97 - $119.97
$119.97
Keystone 13293 - KT-RHLED200PS-14C-8CSB-VDIM-P Indoor Round UFO High Low Bay LED Fixture-LeanLight
Sold out
$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99

Keystone 13293 - KT-RHLED200PS-14C-8CSB-VDIM-P Indoor Round UFO High Low Bay LED Fixture

Keystone Technologies
Out of stock

KEYSTONE 13293 - KT-RHLED200PS-14C-8CSB-VDIM-P Indoor Round UFO High Low Bay LED Fixture

$249.99 - $249.99
$249.99
$249.99 - $249.99
$249.99
Sold out
Keystone 12788 - KT-BPLED40PS-14-8CSA-VDIM Indoor Rectangular Linear Flat Panel LED Fixture-LeanLight
$82.99 - $82.99
$82.99
$82.99 - $82.99
$82.99

Keystone 12788 - KT-BPLED40PS-14-8CSA-VDIM Indoor Rectangular Linear Flat Panel LED Fixture

Keystone Technologies
Only 10 left!

Lens Shape Flat, 3500K, 4000K, 5000K, 2,400 lm, 2,500 lm, 3,500 lm, 3,600 lm, 4,400 lm, 4,500 lm, 110 lm/W, 113 lm/W, 117 lm/W, 120 lm/W, 125 lm/W,...

View full details
$82.99 - $82.99
$82.99
$82.99 - $82.99
$82.99
Keystone Xfit Linear LED High Bay, 65/90/105 Watt Selectable, 4000K or 5000K Tunable, 120-277V, V-Hook and Chain Mounting Kit Included, DLC 5.1 Premium, KT-HBLED105PS-2FB-8CSD-VDIM-P-LeanLight
Keystone Xfit Linear LED High Bay, 65/90/105 Watt Selectable, 4000K or 5000K Tunable, 120-277V, V-Hook and Chain Mounting Kit Included, DLC 5.1 Premium, KT-HBLED105PS-2FB-8CSD-VDIM-P-LeanLight
$142.99 - $142.99
$142.99
$142.99 - $142.99
$142.99

Keystone Xfit Linear LED High Bay, 65/90/105 Watt Selectable, 4000K or 5000K Tunable, 120-277V, V-Hook and Chain Mounting Kit Included, DLC 5.1 Premium, KT-HBLED105PS-2FB-8CSD-VDIM-P

Keystone Technologies
81 in stock

The Keystone XFit Linear LED High Bay is a highly efficient and long-lasting lighting solution, making it the perfect replacement for HID and linea...

View full details
$142.99 - $142.99
$142.99
$142.99 - $142.99
$142.99
Keystone 12900 - KT-FLED100-R1A-UNV-8CSB-VDIM Outdoor Flood LED Fixture-LeanLight
$232.99 - $232.99
$232.99
$232.99 - $232.99
$232.99

Keystone 12900 - KT-FLED100-R1A-UNV-8CSB-VDIM Outdoor Flood LED Fixture

Keystone Technologies
Only 5 left!

Keystone KT-FLED100-R1A-UNV-8CSB-VDIM Bronze LED Flood Fixture with Universal Mount 100W 120-277V 3000K/4000K/5000K 0-10V Dimming Color Selectable ...

View full details
$232.99 - $232.99
$232.99
$232.99 - $232.99
$232.99
Keystone Technologies KTSB-E-0432-14-UV 120-277V Electronic Ballast for 4,3,2,1 T12HO Lamps 8ft 4-32 ft or T8HO Lamps up to 6ft Long or 4-42 ft-LeanLight
Keystone Technologies KTSB-E-0432-14-UV 120-277V Electronic Ballast for 4,3,2,1 T12HO Lamps 8ft 4-32 ft or T8HO Lamps up to 6ft Long or 4-42 ft-LeanLight
$118.79 - $118.79
$118.79
$118.79 - $118.79
$118.79

Keystone Technologies KTSB-E-0432-14-UV 120-277V Electronic Ballast for 4,3,2,1 T12HO Lamps 8ft 4-32 ft or T8HO Lamps up to 6ft Long or 4-42 ft

Keystone Technologies
Only 10 left!

Brand New Keystone Technologies KTSB-E-0432-14-UV 120-277V Electronic Sign Ballast for 4,3,2,1 of the T12HO lamps up to 8ft long or any combination...

View full details
$118.79 - $118.79
$118.79
$118.79 - $118.79
$118.79

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare