Keystone Technologies Page 3

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

Sort

Sale

Keystone 1000W Pulse Start Metal Halide Ballast Kit Five Tap

Brand: Keystone
Lamp Type: ;Pulse Start Metal Halide
Wattage controlled: 1000
Voltage: 120/208/240/277/480
ANSI Code: M141
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MPS-1000A-P-KIT

$457.90

$381.58

Select Product

Sale

Keystone 750W Pulse Start Metal Halide Ballast Kit Five Tap

Brand: Keystone
Lamp Type: ;Pulse Start Metal Halide
Wattage controlled: 750
Voltage: 120/208/240/277/480
ANSI Code: M149
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MPS-750A-P-KIT

$359.60

$299.67

Select Product

Sale

Keystone 400W Pulse Start Metal Halide Ballast Kit Five Tap

Brand: Keystone
Lamp Type: ;Pulse Start Metal Halide
Wattage controlled: 400
Voltage: 120/208/240/277/480
ANSI Code: M135/M155
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MPS-400A-P-KIT

$199.30

$166.08

Select Product

Sale

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-SL

$86.90

$72.42

Select Product

Sale

Keystone Electronic Ballast, 1 or 2 Lamps, F96T8HO, F72T8/HO, F60T8/HO or F48T8/HO

Brand: Keystone
Lamp Type: F96T8HO, F72T8/HO, F60T8/HO or F48T8/HO
Number Of Lamps Controlled: 1 or 2
Voltage: 120-277
Starting Method: Instant
Power Factor: High
Ballast Factor: Normal
Min Start Temp: -20 F, ;-29 ;Degree C
Warranty: 5 Years

ITEM: KTEB-286HO-UV-IS-N

$101.50

$84.58

Select Product

Sale

Keystone Electronic Ballast, 3 or 4 Lamps, F32T8, F25T8, F17T8 or F40T8

Brand: Keystone
Lamp Type: ;F32T8, F25T8, F17T8 or F40T8
Number Of Lamps Controlled: 4 or 3
Voltage: 120-277
Starting Method: Program
Power Factor: High
Ballast Factor: Low
Min Start Temp: 0 F, -18 C
Warranty: 5 Years

ITEM: KTEB-432-UV-PS-L-P

$48.60

$40.50

Select Product

Sale

Keystone Electronic Ballast, 3 or 2 Lamps, F32T8, F25T8, F17T8 or F40T8

Keystone Electronic Ballast, 2 or 3 Lamps, F32T8, F25T8, F17T8 or F40T8

Brand: Keystone
Lamp Type: ;F32T8, F25T8, F17T8 or F40T8
Number Of Lamps Controlled: 3 or 2
Voltage: 120-277
Starting Method: Instant
Power Factor: High
Ballast Factor: High
Min Start Temp: 0 F, -18 C
Warranty: 5 Years

ITEM: KTEB-332-UV-IS-H-P

$51.70

$43.08

Select Product

Sale

Keystone Electronic Ballast, 1 or 2 Lamps, F32T8, F25T8, F17T8 or F40T8

Brand: Keystone
Lamp Type: ;F32T8, F25T8, F17T8 or F40T8
Number Of Lamps Controlled: 1 or 2
Voltage: 120-277
Starting Method: Instant
Power Factor: High
Ballast Factor: High
Min Start Temp: 0 F, -18 C
Warranty: 5 Years

ITEM: KTEB-232-UV-IS-H-P

$47.50

$39.58

Select Product

Sale

Keystone Electronic Ballast, 1 or 2 Lamps, F32T8, F25T8, F17T8 or F40T8

Brand: Keystone
Lamp Type: ;F32T8, F25T8, F17T8 or F40T8
Number Of Lamps Controlled: 1 or 2
Voltage: 120-277
Starting Method: Instant
Power Factor: High
Ballast Factor: Low
Min Start Temp: 0 F, -18 C
Warranty: 5 Years

ITEM: KTEB-232-UV-IS-L-P

$40.90

$34.08

Select Product

Sale

Keystone Electronic Ballast, 4 or 3 Lamps, F32T8, F25T8, F17T8, F40T8 or PLL

Keystone Electronic Ballast, 3 or 4 Lamps, F32T8, F25T8, F17T8, F40T8 or PLL

Brand: Keystone
Lamp Type: ;F32T8, F25T8, F17T8, F40T8 or PLL
Number Of Lamps Controlled: 4 or 3
Voltage: 120-277
Starting Method: Instant
Power Factor: High
Ballast Factor: Normal
Min Start Temp: 0 F, -18 C
Warranty: 5 Years

ITEM: KTEB-432-UV-IS-N-P

$36.30

$30.25

Select Product

Sale

Keystone 1500W Metal Halide Ballast Kit Quad Tap

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

ITEM: MH-1500A-Q-KIT

$427.80

$356.50

Select Product

Sale

Keystone 1000W Metal Halide Ballast Kit Five Tap

Brand: Keystone
Lamp Type: Metal Halide
Wattage controlled: 1000
Number Of Lamps Controlled: 1
Voltage: 120/208/240/277/480
ANSI Code: M47
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MH-1000A-P-KIT

$312.00

$260.00

Select Product

Sale

Keystone 175W Metal Halide Ballast Kit Quad Tap

Brand: Keystone
Lamp Type: Metal Halide
Wattage controlled: 175
Number Of Lamps Controlled: 1
Voltage: 120/208/240/277
ANSI Code: M57
Min Start Temp: -30 C
Power Factor: High
Warranty: 2 Years

ITEM: MH-175A-Q-KIT

$125.80

$104.83

Select Product

Sale

Keystone 70W Metal Halide Ballast Kit Quad Tap

Brand: Keystone
Lamp Type: Metal Halide
Wattage controlled: 70
Number Of Lamps Controlled: 1
Voltage: 120/208/240/277
ANSI Code: M98
Min Start Temp: -40 C
Power Factor: High
Warranty: 2 Years

ITEM: MH-70X-Q-KIT

$116.40

$97.00

Select Product

Sale

Keystone transformer with label on a white background

480V Stepdown Transformer, 347V/480V to 277V, Max 70VA

Brand: Keystone Technologies
Voltage: 277V-480V
Max Power: 70VA
Listings: cULus Listed
Warranty: 5 Year Limited Warranty

ITEM: KTAT-70-480-277-CP

$100.40

$83.67

Select Product

Sale

Black electronic transformer with label on a white background

480V Step Down Autotransformer. 480V to 277V. Max Load, 375VA. One Piece Enclosed Design with Single Flex Conduit for Wiring

Brand: Keystone Technologies
Voltage: 277V-480V
Max Power: 375VA
Operating Temp: 105ºC / 221ºF
Listings: cULus Listed, RoHS, Damp Locations
Warranty: 5 Year Limited Warranty

ITEM: KTAT-375-480-277 /SF-IP

$203.80

$169.83

Select Product

Sale

Electrical transformer with label on a white background

480V Step Down Autotransformer. 480 V to 277V, Max Wattage 250W

Brand: Keystone Technologies
Voltage: 277V-480V
Wattage: 250W MAX
Operating Temp: 50 ºC/122 ºF
Listings: cULus Listed
Warranty: 5 Year Limited Warranty

ITEM: KTAT-250-480-277 /A-DP

$104.90

$87.42

Select Product

Sale

Silver 4 foot led sign lamp with double-sided illumination, white and red switch, and rotatable end caps

4 Foot LED Sign Lamp, Double-Sided Illumination, Color Select, Advanced Optical Lens, Rotatable End Caps, Single or Double Ended Power, 120-277V

Brand: Keystone Technologies
Wattage: 21W
CCT Selectable: 4000K/5000K/6500K
Lumens: 2,600
Voltage: 120–277V
CRI: >80
360° beam spread
Rotatable end caps
Ideal for both single-sided and double-sided signs
Lifespan: 50,000 Hrs.
Ratings: cULus Listed
Warranty: 5-year warranty

ITEM: KT-LED21T8-48P2SO-8CSK-DX2

$74.50

$62.08

Select Product

Sale

Led area parking light with 50,780 lumen max in sleek metallic housing and three rows of bright white leds

Led area parking light fixture with dark bronze finish and clear textured glass panels for outdoor use

LED Area/Parking Lot Light, 50,780 Lumen Max, Wattage, CCT and Optic Selectable, 120-277V

Brand: Keystone Technologies
Wattage Selectable: 210W/290W/340W
Lumens Selectable: 30,780 - 50,780 LM
CCT Selectable: 3000K/4000K/5000K
Voltage: 120-277V
CRI: >80
Life: 100,000 hours
Keystone 0-10V dimming driver
Ambient operating temperature: −40°C/−40°F to 50°C/122F
Finish: Bronze
UL Certified, IP65 rated, DLC Premium, ROHS
Warranty: 10 Year Limited Warranty

ITEM: KT-ALED340PS-VL2-OSA-NM-8CSB-VDIM/G2

$939.90

$783.25

Select Product

Sale

Black keystone electronic ballast with rectangular metal casing and printed specifications for fluorescent lamps

Keystone Electronic Ballast, 1 or 2 Lamps, Instant Start, F32T8, F25T8, F17T8 or F40T8, 120-277V

Brand: Keystone
Lamp Type: F32T8, F25T8, F17T8 or F40T8
Number Of Lamps Controlled: 1 or 2
Voltage: 120-277
Lamp Connection: Parallel
Power Factor: High
Warranty: 5 Years

ITEM: KTEB-232-UV-IS-H-P-CP

$47.50

$39.58

Select Product

Sale

White led t8 tube light with frosted glass casing and metallic pins for double-ended wiring 120-277v use

25PK 14.5W LED T8 Tube, 1800 lumen, Glass Construction, Direct Drive, Double Ended Wiring Only, 120-277V

Brand: Keystone Technologies
Wattage: 14.5W
CRI: 80
CCT: 3500K/4000K/5000K
Lumens: 1800 LM
Voltage: 120-277V
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-LED14.5T8-48G-835-D2 /G2

$267.50

$222.92

Select Product

Sale

Programmable LED Driver, 85W, 500-2600mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 85W
Output Current: 500-2600mA
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-85-UV-SC2600-56-VDIM-U4 /USB

$80.00

$66.67

Select Product

Sale

Programmable LED Driver, 40W, 470-1400mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 40W
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-40-UV-SC1400-56-VDIM-W1 /USB

$65.60

$54.67

Select Product

Sale

Programmable LED Driver, 30W, 350-1050mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 30W
Output Current: 350-1050mA
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-30-UV-SC1050-56-VDIM-U7 /USB

$63.90

$53.25

Select Product

Sale

Programmable LED Driver, 25W, 420-1250mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 25W
Output Current: 420-1250mA
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-25-UV-SC1250-56-VDIM-W1 /USB

$62.80

$52.33

Select Product

Sale

Programmable LED Driver, 20W, 200-730mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 20W
Output Current: 200-730mA
Input Voltage: 120–277V
Dimming: 0 –10V
Input Frequency: 60 Hz
–40°C/–40°F to 50°C/122°F operating temperature
Warranty: 5 Years
CULUS Listed, ROHS

ITEM: KTLD-20-UV-SC730-56-VDIM-AF4 /USB

$61.30

$51.08

Select Product

Sale

Programmable LED Driver, 12W, 120-500mA Output, 0-10V Dimming, Programmable via Smart Current software, Integrated USB-C Port

Brand: Keystone Technologies
Total Power: 12W
Output Current: 120 –500mA
Input Voltage: 120–277V
Dimming: 0 –10V
Input Frequency: 50/60 Hz
Warranty: 5 Years
CULUS Listed, ROHS

ITEM: KTLD-12-UV-SC500-56-VDIM-AF1 /USB

$53.30

$44.42

Select Product

Sale

Temporary Working Light, Power Selectable 60/80/100W, 10000 Lumen Max, 5000K, 120V

Brand: Keystone Technologies
Selectable wattage: 60/80/100W
CCT: 5000K
Voltage: 120V
Lumens: 7200-10000 lumen
CRI: 80
Operating temperature: –30ºC/–22ºF to 60ºC/140ºF
Ratings: CULUS listed, ROHS, DLC Listed
Warranty: 5 Year Limited

ITEM: KT-TFLED100PS-850 /G2

$280.30

$233.58

Select Product

Previous 1 2 3 4 5 6 Next

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.