Keystone Technologies Page 2

Keystone Technologies is a lighting manufacturer known for reliable, value-priced components and commercial retrofit products. The line is anchored by ballasts, LED drivers, and T8 LED lamps, alongside recessed downlights, wrap fixtures, flat panels, and troffers — making Keystone a go-to brand for maintaining, retrofitting, and upgrading commercial and industrial lighting systems. Explore the range by type below.

Flat Panels & Troffers

160 products

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White 8 inch square led canopy light with clear textured diffuser and heat sinks on the back in white finish

White plastic 8 inch square led canopy light with rectangular housing heat sinks and mounting brackets in white finish

8" Square LED Canopy Light With Photocell, 20W/30W/40W Selectable, 5600 Lumens, 120-277V, CCT Selectable 3000K/4000K/5000K, White Finish

Brand: Keystone Technologies
Wattage Selectable: 20W/30W/40W
Voltage: 120-277V
CCT: 3000K/4000K/5000K
Lumens: 2,600Lm-5,600Lm
Finish: White
Life: L70 @ >100,000 hours
Operating Temperatures: −40°C to 50°C (-40°F to 122°F)
Dimmable: 0-10V
Listings: DLC Premium, UL, IP65, Wet Locations
Warranty: 5 years

ITEM: KT-CLED40PS-S1-8CSB-VDIM-W

$194.30

$161.92

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Aviva 4 inch led downlight retrofit with white curved ribbed trim baffle and orange wire connector for 120v use

Aviva 4 Inch LED Down Light Retrofit, 730 Lumens, 8W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 8W
Voltage: 120V
CCT Selectable / Lumens:
2700K / 710Lm
3000K / 720Lm
3500K / 730Lm
4000K / 730Lm
5000K / 720Lm
CRI: >90
Dimming: TRIAC
Beam Angle: 95º
Life: 50,000 hours
Ratings: cETLus, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-LED8RD-4C-9CSF-DIM

$17.20

$14.33

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White circular led ceiling light with metallic mounting box and control buttons for power and color adjustment

Circa 4 Inch LED Round Wafer Down Light, 710 Lumens, 9W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 9W
Voltage: 120V
CCT Selectable/Lumens
2700K/650Lm
3000K/670Lm
3500K/695Lm
4000K/710Lm
5000K/700Lm
CRI: 90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant
Warranty: 5 Years

ITEM: KT-WDLED9-4A-9CSF-FDIM

$32.30

$26.92

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Constant Wattage LED Emergency Backup Driver, 12 Watt Output, Dual Flex Cables, California Compliant

Brand: Keystone Technologies
Input Voltage: 120–277Vac ±10%
Power Factor: ≥0.5
Max. Current: 0.050A @ 120V
Max. Output Power: 12 Watt
Rated Output Current: 600mA–250mA
Emergency Runtime: Minimum 90Min
Output Voltage: 20~54Vdc
Listing: cULus, RoHS
5 Year Warranty

ITEM: KT-EMRG-LED-12C-1200-EN /DF

$328.10

$273.42

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Silver keystone kt-emrg-led-s-500 emergency led driver battery pack with 5 watt backup and 500 lumen led strip

5 Watt, Emergency Backup Driver and Battery, 500 Lumen, 90 Minutes, With LED Module (For easy install)

Brand: Keystone Technologies
External LED Module Included
Input Voltage: 120-277Vac
Minimum Runtime: 90 Min
Power Factor: ≥0.5
Max. Current: 0.051A @ 120V
Max. Output Power: 5 Watt
Rated Output Current: 400mA-100mA
Output Voltage: 12~41Vdc

ITEM: KT-EMRG-LED-5-500-K1

$201.00

$167.50

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Keystone Electronic Ballast, 1, or 2 Lamps, F8T5, F6T5, F4T5, CFT7W/2G7 or CFT9W/2G7

Keystone Electronic Ballast, 1 Lamp, F8T5, F6T5, F4T5, CFT7W/2G7 or CFT9W/2G7

Brand: Keystone
Lamp Type: F8T5, F6T5, F4T5, CFT7W/2G7 or CFT9W/2G7
Number Of Lamps Controlled: 1 or 2
Voltage: 120
Starting Method: Rapid
Power Factor: Normal
Ballast Factor: Normal
Min Start Temp: -0 F, ;-18 ;Degree C
Warranty: 3 Years

ITEM: KTEB-108-1-TP-FC

$35.99

$29.99

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Keystone Electronic Ballast, 1 Lamp, F35T5, F28T5 or F21T5

Brand: Keystone
Lamp Type: F35T5, F28T5 or F21T5
Number Of Lamps Controlled: 1
Voltage: 120
Starting Method: Rapid
Power Factor: ;Normal
Ballast Factor: Normal
Min Start Temp: -0 F, ;-18 ;Degree C
Warranty: 3 Years

ITEM: KTEB-135HE-1-TP

$89.99

$74.99

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Keystone Electronic Ballast, 1 or 2 Lamps, F54T5/HO, FC12T5/HO, FT55W/2G11, FT50W/2G11 or FT36W/2G11

Brand: Keystone
Lamp Type: F54T5/HO, FC12T5/HO, FT55W/2G11, FT50W/2G11 or FT36W/2G11
Number Of Lamps Controlled: 1 or 2
Voltage: 120-277
Starting Method: Program
Power Factor: High
Ballast Factor: Normal
Min Start Temp: -0 F, ;-18 ;Degree C
Warranty: 5 Years

ITEM: KTEB-254HO-UV-PS

$86.90

$72.42

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Keystone 1000W Metal Halide Ballast Kit Quad Tap

Brand: Keystone
Lamp Type: Metal Halide
Wattage controlled: 1000
Number Of Lamps Controlled: 1
Voltage: 120/208/240/277
ANSI Code: M47
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MH-1000A-Q-KIT

$299.20

$249.33

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Keystone 400W Metal Halide Ballast Kit QuadTap

Brand: Keystone
Lamp Type: Metal Halide
Wattage controlled: 400
Number Of Lamps Controlled: 1
Voltage: 120/208/240/277
ANSI Code: M59
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MH-400A-Q-KIT

$160.80

$134.00

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White frosted glass cct selectable 120-277v led tube with white plastic end cap and red accents and metallic pins

25PK X3 13W 4' T8 LED Tube, 2800 Lumen Max, Glass Construction, CCT Selectable, Ballast Compatible & 120-277V, Single or Double Ended Wiring

Brand: Keystone Technologies
Wattage: 13W
CCT Selectable: 3000K/3500K/4000K/5000K/6500K
Lumen Max: 2800
CRI: 80
Operating Temperature: –20°C/–4°F to 45°C/113°F
50,000+ Hour Lifetime
BASE TYPE: G13 (Medium Bi-Pin)
Ratings: cULus Listed, DLC Listed, ROHS
Warranty: 5 year warranty

ITEM: KT-LED13T8-48G-8CSJ-X3

$470.00

$391.67

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White led tube with frosted glass sleeve and metallic base 25pk 14.5w 4 t8 ballast bypass 120-277v

25PK 14.5W 4' T8 LED Tube, 2000 Lumen Max, 240° Beam Angle, Ballast Bypass, 120-277V

Brand: Keystone Technologies
Wattage: 15W
Lumens: 1900-2000
CCT: 3000K/3500K/4000K/5000K/6500K
Voltage: 120-277V
CRI: 80
Operating Temperature: -20ºC/-4ºF to 45ºC/113ºF
50,000+ Hour Lifetime
BASE TYPE: G13 (Medium Bi-Pin)
Replacement for Conventional Fluorescent Lamp
Single or Double-Ended Wiring
Ratings: cULus Listed, DLC Listed, ROHS, NSF Rated
Warranty: 10 year warranty

ITEM: KT-LED14.5T8-48G-835-DX2 /G2

$280.00

$233.33

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Programmable LED Driver, 100W, 1500-3kmA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 100W
Output Current: 1500-3kmAA
Input Voltage: 120–277V
Dimming: 0 –10V
Input Frequency: 50/60 Hz
Warranty: 5 Years
-40°C/–40°F to 50°C/122°F operating temperature
CULUS Listed, ROHS

ITEM: KTLD-100-UV-SC3000-56-VDIM-U4 /USB

$92.20

$76.83

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Programmable LED Driver, 50W, 470-1400mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 50W
Output Current: 470-1400mA
Input Voltage: 120–277V
Dimming: 0 –10V
Input Frequency: 50/60 Hz
Warranty: 5 Years
20°C/-4°F to 50°C/122°F Operating Temperature
CULUS Listed, ROHS

ITEM: KTLD-50-UV-SC1400-56-VDIM-U7 /USB

$66.80

$55.67

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White rectangular back-lit panel light with textured surface and metallic mounting hardware for ceiling installation

1 x 4 Foot Back Lit LED Flat Panel, 4600 Lumens, 20W/30W/40W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 20W/30W/40W
Lumens: 2,400Lm-4,600Lm
Voltage: 120-277V
CRI: >80
CCT Selectable: 3500K/4000K/5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 47.71” x W 11.85” x D 1.37”
Listings: DLC, cULus, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED40PS-14-8CSA-VDIM /G2

$138.10

$115.08

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White rectangular recessed back-lit panel light fixture with grid pattern and metallic mounting hardware for ceiling use

2 x 2 Foot Back Lit LED Flat Panel, 4500 Lumens, 20W/30W/40W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 20W/30W/40W
Lumens: 2,400Lm-4,500Lm
Voltage: 120-277V
CRI: >80
CCT Selectable: 3500K/4000K/5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 23.74” x W 23.74” x D 1.37”
Listings: DLC, cULus, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED40PS-22-8CSA-VDIM /G2

$112.80

$94.00

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Brown metal 10 inch square led canopy light with clear textured diffuser panel and selectable wattage and cct

Brown 10 inch square led canopy light with screw-in microwave motion and smartloop rf-only sensors and photocell

10" Square LED Canopy Light With Photocell, 40W/50W/60W Selectable, 8400 Lumens, 120-277V, CCT Selectable 3000K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 40W/50W/60W
Voltage: 120-277V
CCT Selectable: 3000K/4000K/5000K
Lumens: 5,200Lm-8,400Lm
Finish: Bronze
Life: L70 @ >100,000 hours
Operating Temperatures: −40°C to 50°C (-40°F to 122°F)
Dimmable: 0-10V
Listings: DLC Premium, UL, IP65, Wet Locations
Warranty: 5 years

ITEM: KT-CLED60PS-M1-8CSB-VDIM

$226.70

$188.92

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Brown metal 8 inch square led canopy light with clear textured diffuser panel and selectable wattage and cct options

Brown 8 inch square LED canopy light with screw-in microwave motion and smartloop RF sensors, selectable wattage and CCT

8" Square LED Canopy Light With Photocell, 15W/20W/25W Selectable, 3500 Lumens, 120-277V, CCT Selectable 3000K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 15W/20W/25W
Voltage: 120-277V
CCT Selectable: 3000K/4000K/5000K
Lumens: 1,950Lm-3,500Lm
Finish: Bronze
Life: L70 @ >100,000 hours
Operating Temperatures: −40°C to 50°C (-40°F to 122°F)
Dimmable: 0-10V
Listings: DLC Premium, UL, IP65, Wet Locations
Warranty: 5 years

ITEM: KT-CLED25PS-S1-8CSB-VDIM

$179.20

$149.33

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White circular slim wafer led ceiling light with sleek metallic mounting box and power and color control buttons

Circa 8 Inch LED Slim Wafer Down Light, 1,960 Lumens, Wattage Selectable 14W/12W/23W, 120-277V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage Selectable: 14W/18W/23W
Voltage: 120V
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
Lumens: 1,100Lm-1,920Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED23PS-8A-9CSF-VDIM

$86.30

$71.92

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White circular led slim wafer ceiling light with metallic mounting box and control buttons for power and color adjustment

Circa 4 Inch LED Slim Wafer Down Light, 870 Lumens, Wattage Selectable 8.5W/9.5W/10.5W, 120-277V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage Selectable: 8.5W/9.5W/10.5W
Voltage: 120V
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
Lumens: 650Lm-870Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED10.5PS-4A-9CSF-VDIM

$58.20

$48.50

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Aviva 4 inch led down light retrofit with white circular recessed fixture, curved metallic stem, screw base, 550 lumens, 6w, 3000k

Aviva 4 Inch LED Down Light Retrofit, 550 Lumens, 6W, 120V, 3000K

Brand: Keystone Manufacturing
Wattage: 6W
Voltage: 120V
CCT: 3000K
Lumens: 550Lm
Dimming: TRIAC
Beam Angle: 90º
Life: 50,000 hours
Ratings: cETLus, RoHS Compliant, Wet Locations
Warranty: 3 Years

ITEM: KT-LED6RD-4C-830-DIM-CS

$12.90

$10.75

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White recessed 5/6 inch led baffled down light with curved black cable and orange connector wattage and cct selectable

Aviva 5/6 inch white led baffled down light retrofit with adjustable cct and flexible orange-tipped wiring conduit

Aviva 5/6 Inch LED Baffled Down Light Retrofit, 1,240 Lumens, Wattage Selectable 8W/10W/14W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 14W
Voltage: 120V
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
Lumens: 770Lm-1,240Lm (See spec for details)
CRI: >90
Dimming: TRIAC
Beam Angle: 95º
Life: 50,000 hours
Ratings: cULus, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-LED14PSRD-6CB-9CSF-DIM

$22.70

$18.92

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White circular recessed 6 inch led gimbal downlight with gray electrical box and flexible wiring 1050 lumens 12w 120v

Circa 6 Inch LED Gimbal Down Light, 1,050 Lumens, 12W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 12W
Voltage: 120V
CCT Selectable/Lumens
2700K/950Lm
3000K/1,000Lm
3500K/1,035Lm
4000K/1,050Lm
5000K/1,035Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED12-6A-9CSF-FDIM-G

$53.90

$44.92

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White circular led ceiling light with sleek metallic mounting box and control buttons for power and color adjustment

Circa 6 Inch LED Round Wafer Down Light, 1,080 Lumens, 13W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 13W
Voltage: 120V
CCT Selectable/Lumens
2700K/1,000Lm
3000K/1,030Lm
3500K/1,065Lm
4000K/1,080Lm
5000K/1,070Lm
CRI: 90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant
Warranty: 5 Years

ITEM: KT-WDLED13-6A-9CSF-FDIM

$34.50

$28.75

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Advanta led 10 inch white recessed downlight with flexible wiring and control buttons for power and color adjustment remote driver

Advanta led 10 inch white recessed downlight with flexible metallic conduit remote driver and power color control buttons

Advanta LED 10 Inch Recessed Downlight, 3,200 Lumens, Wattage Selectable: 21W/29.5W/37.5W, CCT Selectable: 3000K/4000K/5000K, 120-277V

Brand: Keystone Technologies
Wattage Selectable: 21W/29.5W/37.5W
Lumens: 1,950Lm-3,200Lm (See Spec for details)
Voltage: 120-277V
CRI: >90
CCT Selectable: 3000K/4000K/5000K
0-10V Dimming
Life: 70,000 Hours
Listings: cETLus, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED38PS-10A-9CSE-VDIM

$155.40

$129.50

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Keystone k5emrg-led-sc constant wattage emergency backup driver with dual flex conduit in sleek white metal casing

Constant Wattage LED Emergency Backup Driver, 5 Watt Output, Dual Flex Conduit, 120-277V Input

Brand: Keystone Technologies
Input Voltage: 120-277Vac
Power Factor: ≥0.5
Max. Current: 0.050A @ 120V
Max. Output Power: 5 Watt
Rated Output Current: 250mA–86mA
Output Voltage: 20~60Vdc
Dual Flex Conduit
Emergency Runtime: Minimum 90 Min
Listing: cULus, RoHS
5 Year Warranty

ITEM: KT-EMRG-LED-5C-500-EN /DF

$215.70

$179.75

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Keystone 400W High Pressure Sodium Ballast Kit Quad Tap

Brand: Keystone
Lamp Type: ;High Pressure Sodium
Wattage controlled: 400
Voltage: 120/208/240/277
ANSI Code: S51
Min Start Temp: -40 C
Power Factor: ;High
Warranty: 2 Years

ITEM: HPS-400A-Q-KIT

$236.40

$197.00

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Keystone 100W High Pressure Sodium Ballast Kit Quad Tap

Brand: Keystone
Lamp Type: ;High Pressure Sodium
Wattage controlled: 100
Voltage: 120/208/240/277
ANSI Code: S54
Min Start Temp: -40 C
Power Factor: ;High
Warranty: 2 Years

ITEM: HPS-100X-Q-KIT

$133.10

$110.92

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About Keystone Technologies

Keystone Technologies is widely known in the lighting industry for dependable, value-priced components and fixtures. The catalog is especially strong in the parts that keep commercial and industrial lighting running — ballasts, LED drivers, and T8 LED lamps — while also covering recessed downlights, wrap fixtures, flat panels, troffers, and retrofit kits. Whether you're maintaining an existing system, retrofitting to LED, or outfitting new construction, Keystone offers a broad selection at competitive prices, available individually or in bulk.

The Keystone Product Range

Ballasts: A core Keystone strength, including fluorescent, high pressure sodium, and metal halide (HID) ballasts, plus emergency ballasts.
LED Drivers: Power supplies to drive and protect LED fixtures and retrofits.
LED Tubes & T8 Lamps: Direct-replacement and retrofit LED tubes for upgrading fluorescent fixtures.
Recessed Downlights: Flush downlights for clean, even commercial ceilings.
Wrap Lights: Surface-mount wrap fixtures for hallways, utility, and general-purpose spaces.
Flat Panels & Troffers: Low-glare panels, troffers, and troffer retrofit kits for drop ceilings.
More: Keystone also offers strip light retrofit kits, canopy lights, and flood lights.

Why Choose Keystone

Reliable components: Keystone is trusted for dependable ballasts, drivers, and lamps that keep lighting systems running.
Value pricing: A huge selection across a wide range of price points, available individually or in bulk.
Retrofit and maintenance friendly: Ideal for upgrading to LED or sourcing replacement parts for existing fixtures.
Broad catalog: Components, lamps, and fixtures from one brand simplify sourcing for a project.
Expert support: Our lighting specialists can help you match the right Keystone products to your system.

Keystone Technologies FAQs

What is Keystone Technologies?

Keystone Technologies is a lighting manufacturer known for reliable, value-priced components and fixtures, including ballasts, LED drivers, T8 LED lamps, recessed downlights, wraps, panels, and troffers for commercial and industrial use.

Does Keystone make ballasts?

Yes. Ballasts are a core Keystone category, including fluorescent, high pressure sodium, metal halide (HID), and emergency ballasts.

What products does Keystone offer?

Keystone's range includes ballasts, LED drivers, LED tubes and T8 lamps, recessed downlights, wrap fixtures, flat panels, troffers and retrofit kits, plus strip retrofit kits, canopy, and flood lights.

What is an LED driver used for?

An LED driver supplies and regulates the power an LED fixture or retrofit needs to run safely and reliably. Keystone offers a range of drivers for different fixtures and applications.

Are Keystone products good for retrofitting older lighting?

Yes. Keystone is a strong choice for retrofits and maintenance, with LED tubes, drivers, retrofit kits, and replacement ballasts to upgrade or keep existing systems running.