Keystone Technologies

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

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White plastic lamp socket connectors with black and white wires and orange control module for retro fit wiring harness

Strip Retro Fit Wiring Harness

Brand: Keystone Technologies
Number of Lamps: 2, 3, 4, 6
Requires single end powered LED tubes (not included)

Four Lamp Wiring Harness Shown

ITEM: KT-SOCKET-T8-U-T-2-W

$14.80

$12.33

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Troffer Retro Fit Wiring Harness

Brand: Keystone Technologies
Number of Lamps: 2, 3, 4, 6
Requires single end powered LED tubes (not included)

Four Lamp Wiring Harness Shown

ITEM: KT-SOCKET-T8-U-S-2-W

$14.80

$12.33

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White frosted glass 25pk 15w led tube with white plastic base and metal pins for 120-277v ballast bypass use

25PK 15W 4' T8 LED Tube, 2000 Lumen, 240° Beam Angle, Ballast Bypass, 120-277V

Brand: Keystone Technologies
Wattage: 15W
CCT: 3000K/3500K/4000K/5000K/6500K
Lumens: 1900-2000 LM
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-LED15T8-48GC-835-DX2 /G2

$305.00

$254.17

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Aviva 5/6 inch white recessed led gimbal down light with sleek circular design and chrome wiring 1160 lumens 11w 120v cct selectable

Aviva 5/6 inch white led gimble down light retrofit with color temperature settings dial from 2700k to 5000k

Aviva 5/6 Inch LED Gimble Down Light Retrofit, 1,160 Lumens, 11W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 11W
Voltage: 120V
CCT Selectable / Lumens:
2700K / 1,120Lm
3000K / 1,140Lm
3500K / 1,160Lm
4000K / 1,160Lm
5000K / 1,140Lm
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-LED11RD-6C-9CSF-DIM-G

$30.10

$25.08

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Aviva 4 inch white recessed led gimble down light with sleek circular design and chrome wiring for retrofit use

Aviva 4 inch white led gimble down light retrofit with color temperature dial selectable from 2700k to 5000k

Aviva 4 Inch LED Gimble Down Light Retrofit, 810 Lumens, 8W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 8W
Voltage: 120V
CCT Selectable / Lumens:
2700K / 720Lm
3000K / 750Lm
3500K / 800Lm
4000K / 810Lm
5000K / 800Lm
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-G

$27.00

$22.50

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Keystone 150W High Pressure Sodium Ballast Kit 120V

Brand: Keystone
Lamp Type: ;High Pressure Sodium
Wattage controlled: 150
Voltage: 120V
ANSI Code: S55
Min Start Temp: -40 C
Power Factor: ;NPF
Warranty: 2 Years

ITEM: HPS-150R-1-KIT

$79.20

$66.00

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White circular slim wafer led recessed light with metallic mounting bracket and selectable wattage and color temperature

Circa 6 Inch LED Slim Wafer Down Light, 1,220 Lumens, Wattage Selectable 10W/12W/14W, 120-277V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage Selectable: 10W/12W/14W
Voltage: 120V
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
Lumens: 820Lm-1,220Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED14PS-6B-9CSF-VDIM

$66.90

$55.75

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White rectangular keystone kt-emrg-led-sc-500 plastic battery with printed specs and color-coded wiring for led emergency backup

LED Emergency Backup Driver and Battery, 5 Watt Output

Brand: Keystone Technologies
Input Voltage: 120-277Vac
Power Factor: >0.9 under 120~277Vac input
Max. input Current: 50mA @120V, 35mA @240V, and 30mA @277V
Max. Output Power: 5W Constant
Rated Output Current: 250mA @ 20Vdc, 86mA @ 58Vdc
Output Voltage: 20 –60Vdc Class 2 compliantRemarks: the output power is valid for output voltage ≤ 58V; above that power will drop
Emergency Runtime: Minimum 90 Min
Ratings: cULus, RoHS
Warranty: 5 years

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

$190.99

$159.99

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Keystone 1500W Metal Halide Ballast Kit Five Tap

Brand: Keystone
Lamp Type: Metal Halide
Wattage controlled: 1500
Number Of Lamps Controlled: 1
Voltage: 120/208/240/277/480
ANSI Code: M48
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MH-1500A-P-KIT

$449.40

$374.50

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White rectangular electronic sign ballast with printed specifications for 6 5 and 4 t12 ho lamps up to 8 ft long

Electronic Sign Ballast for 6,5,and 4 T12 HO lamps up to 8 ft long

Brand: Keystone Technologies
Ballast Type Electronic
Starting Method Instant Start
Lamp Connection Parallel Input Voltage 120 ~ 277 Vac ± 10%
Input Frequency 60Hz / 50Hz
Sound Rated: A
Minimum Starting Temperature: -20℉, -29℃
Maximum Case Temperature: 194℉, 90℃
Meets FCC Part 18 (Class A) Non Consumer Limits
UL, cUL 935 Listed
Max Lamp Footage: 48

ITEM: KTSB-E-0848-46-UV /A

$291.90

$243.25

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Circa 4 inch white led gimbal down light with 710 lumens, 8w, 120v, cct selectable and gray electrical box

Circa 4 Inch LED Gimbal Down Light, 710 Lumens, 8W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 8W
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, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED8-4A-9CSF-FDIM-G

$49.60

$41.33

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Keystone 100W High Pressure Sodium Ballast Kit 120V

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

ITEM: HPS-100R-1-KIT

$66.70

$55.58

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Keystone 70W High Pressure Sodium Ballast Kit 120V

Brand: Keystone
Lamp Type: ;High Pressure Sodium
Wattage controlled: 70
Voltage: 120V
ANSI Code: S62
Min Start Temp: -40 C
Power Factor: ;Normal/High
Warranty: 2 Years

ITEM: HPS-70R-1-KIT

$60.30

$50.25

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4 Foot Wrap Light, 4290 Lumens, 33W, 120-277V, 3500K, 4000K, or 5000K CCT

Brand: Keystone Technologies
Wattage: 33W
CCT Selectable / Lumens:
3500K / 4,220Lm
4000K / 4,257Lm
5000K / 4,290Lm
Voltage: 120-277
CRI: >80
Dimmable: 0-10V
Operating Temperature: -4°F to 113°F (-20°C to 45°C)
Certifications: DLC, UL
5 Year Warranty

ITEM: KT-WLED33-4-835-VDIM-P /G2

$163.00

$135.83

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White modern curved 4 foot xfit wrap fixture with sleek minimalist design 5200 lumens 40w 4000k or 5000k 120-277v

4 Foot Curved Wrap Light, 5200 Lumens, 40W, 4000K, or 5000K, 120-277V

Brand: Keystone Technologies
Wattage: 40W
CCT / Lumens:
4000K / 5,160Lm
5000K / 5,200Lm
Voltage: 120-277
CRI: >80
Dimmable: 0-10V
Operating Temperature: -4°F to 113°F (-20°C to 45°C)
Certifications: DLC, UL
5 Year Warranty

ITEM: KT-CWLED40-4-840-VDIM-P

$168.60

$140.50

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White circular circa 6 inch led recessed wafer down light with metallic mount and power color control buttons

Circa 6 Inch LED Regressed Wafer Down Light, 1,290 Lumens, Wattage Selectable 10W/12W/14W, 120-277V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage Selectable: 10W/12W/14W
Voltage: 120V
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
Lumens: 850Lm-1,290Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED14PS-6A-9CSF-VDIM

$64.70

$53.92

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White recessed led down light retrofit with sleek circular design and orange connector on flexible wire from aviva

Aviva 5/6 Inch LED Down Light Retrofit, 1,260 Lumens, 14W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 14W
Voltage: 120V
CCT Selectable / Lumens:
2700K / 1,220Lm
3000K / 1,240Lm
3500K / 1,260Lm
4000K / 1,260Lm
5000K / 1,240Lm
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-LED14RD-6C-9CSF-DIM

$21.50

$17.92

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White recessed led down light retrofit with curved metal arm and orange connector 1260 lumens wattage and cct selectable

Aviva 5/6 Inch LED Down Light Retrofit, 1,260 Lumens, Wattage Selectable 8W/10W/14W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage Selectable: 8W/10W/14W
Voltage: 120V
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
Lumens: 780Lm-1,260Lm
CRI: >80
Dimming: TRIAC
Beam Angle: 90º
Life: 50,000 hours
Ratings: cETLus, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

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

$21.50

$17.92

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White circular circa 6 inch led recessed wafer down light with sleek modern design and metallic mounting bracket

Circa 6 Inch LED Recessed Wafer Down Light, 1,030 Lumens, 13W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 13W
Voltage: 120V
CCT Selectable/Lumens
2700K/950Lm
3000K/980Lm
3500K/1,010Lm
4000K/1,030Lm
5000K/1,015Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

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

$36.60

$30.50

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White advanta led 6 inch recessed emergency downlight with quick connect wiring and metallic housing

Advanta led 6 inch recessed downlight with white circular trim red cct selector and silver mounting brackets

Advanta LED 6 Inch Recessed Downlight with Emergency Driver, 1,330 Lumens, Wattage Selectable: 10W/12W/17W, CCT Selectable: 3000K/3500K/4000K, 120-277V

Brand: Keystone Technologies
Wattage Selectable: 10W/12W/17W
Lumens: 740Lm-1,330Lm (See Spec for details)
Voltage: 120-277V
CRI: >90
CCT Selectable: 3000K/3500K/4000K
Emergency Wattage: 5W
Emergency Lumens: 500Lm
0-10V Dimming
Life: 50,000 Hours
Listings: cETLus, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED17PS-6A-9CSE-VDIM-EM5

$345.50

$287.92

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Keystone 35W High Pressure Sodium Ballast Kit Quad Tap

Keystone 50W High Pressure Sodium Ballast Kit 120V

Brand: Keystone
Lamp Type: ;High Pressure Sodium
Wattage controlled: 50
Voltage: 120V
ANSI Code: S68
Min Start Temp: -40 C
Power Factor: ;Normal/High
Warranty: 2 Years

ITEM: HPS-50R-1-KIT

$54.40

$45.33

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Keystone 35W High Pressure Sodium Ballast Kit 120V

Brand: Keystone
Lamp Type: ;High Pressure Sodium
Wattage controlled: 35
Voltage: 120V
ANSI Code: S76
Min Start Temp: -40 C
Power Factor: ;Normal/High
Warranty: 2 Years

ITEM: HPS-35R-1-KIT

$50.00

$41.67

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Keystone Electronic Ballast, 2 Lamps, F8T5

Brand: Keystone
Lamp Type: F8T5
Number Of Lamps Controlled: 2
Voltage: 120
Starting Method: Rapid
Power Factor: ;Normal
Ballast Factor: Normal
Min Start Temp: -0 F, ;-18 ;Degree C
Warranty: 3 Years
Minimum Order Quantity: 200

ITEM: KTEB-208-1-TP-SL-MB

$28.60

$23.83

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Keystone Electronic Ballast, 1, 2, 3 or 4 Lamps, F54T5/HO, F54T5HO/ES(49W), FT55W/2G11, FT50W/2G11, FT36/2G11 or F58T8

Brand: Keystone
Lamp Type: F54T5/HO, F54T5HO/ES(49W), FT55W/2G11, FT50W/2G11, FT36/2G11 or F58T8
Number Of Lamps Controlled: 1, 2, 3 or 4
Voltage: 120 or 277
Starting Method: Program
Power Factor: High
Ballast Factor: Normal
Min Start Temp: -20°F, -29°C
Warranty: 5 Years

ITEM: KTEB-454HO-UV-PS

$108.20

$90.17

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White frosted glass 4 foot linear xfit wrap fixture with sleek modern design 5940 lumens 18w to 44w selectable wattage

4 Foot Light, 5940 Lumens, 18W/28W/44W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 18W/28W/44W
Lumens: 2,664Lm-5,940Lm
CCT Selectable: 3500K/4000K/5000K
Voltage: 120-277
CRI: >80
Dimmable: 0-10V
Operating Temperature: -4°F to 113°F (-20°C to 45°C)
Certifications: DLC, cULus
5 Year Warranty

ITEM: KT-WLED44PS-4-8CSA-VDIM

$172.70

$143.92

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White rectangular back-lit panel light with sleek modern design 2x4 foot 6200 lumens cct selectable panel light fixture

2 x 4 Foot Back Lit LED Flat Panel, 6200 Lumens, 30W/40W/80W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 30W/40W/50W
Lumens: 3,850Lm-6,200Lm
Voltage: 120-277V
CRI: >80
CCT Selectable: 3500K/4000K/5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 23.74” x W 47.71” x D 1.37”
Listings: DLC, cULus, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED50PS-24-8CSA-VDIM /G2

$169.10

$140.92

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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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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.