Keystone Technologies Page 4

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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LED HID Replacement lamp feat. Power Select & Color Select. 18/12/9W, 3K,4K,5K, E26 Base, Direct Drive

Brand: Keystone Technologies
Wattage Selectable: 9W/12W/18W
CCT Selectable: 3000K/4000K/5000K
Voltage: 120–277V
50,000 + hour lifetime
Lumens: 1,179-2556 LM
CRI: 80
Ratings: CULUS listed, ROHS
Warranty: 5 Year Limited

ITEM: KT-LED18PSHID-E26-8CSB-D

$75.30

$62.75

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Industrial-style led area light 140w with metallic gray housing clear glass panels type iii optics slipfitter mount

Brown metal led area light with three rectangular led panels type iii optics and slipfitter mount bracket

LED Area Light, 140W, Power and Color Select, Optics Selectable (Type III, IV, and V), Slipfitter Mount, NEMA Type 3-pin Twist Lock Photocell, Bronze or White Finish

Brand: Keystone Technologies
Wattage Selectable: 140W/100W/70W
CCT Selectable: 3000K/4000K/5000K
Lumen Max: 20780
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
Listings: UL Certified, IP65 rated, DLC Premium, ROHS
Warranty: 5 Years

ITEM: KT-ALED140PS-M2-OSB-SF-8CSB-VDIM-P

$576.60

$480.50

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Industrial-style led area light with adjustable pole mount type iii optics and metallic gray housing with clear glass panels

Brown metal led area light with three rectangular led panels type iii optics and adjustable pole mount bracket

LED Area Light, 140W, Power and Color Select, Optics Selectable (Type III, IV, and V), Adjustable Pole Mount, NEMA Type 3-pin Twist Lock Photocell, Bronze or White Finish

Brand: Keystone Technologies
Wattage Selectable: 140W/100W/70W
CCT Selectable: 3000K/4000K/5000K
Voltage: 120-277V
Lumen Max: 20780
CRI: >80
Life: 100,000 hours
Keystone 0-10V dimming driver
Ambient operating temperature: −40°C/−40°F to 50°C/122F
Listings: UL Certified, IP65 rated, DLC Premium, ROHS
Warranty: 5 Years

ITEM: KT-ALED140PS-M2-OSB-PMA-8CSB-VDIM-P

$576.60

$480.50

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White foot led stairwell light strip with selectable 30w 35w 45w wattage and circular power diagram

4 Foot LED Stairwell Light, 5400 Lumens, 30W/35W/45W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 30W/35W/45W
Lumens: 3,550Lm-5,450Lm (See Spec for Details)
CCT Selectable: 3500K/4000K/5000K
Dimming: 0-10V
Rated Life: L70 @ >100,000Hrs
Operating Temperature: −4ºF to 122ºF (−20ºC to 50ºC/)
Ratings: DLC, UL
Warranty: 5 Years

ITEM: KT-SWLED45PS-4A-8CSA-VDIM-P

$345.50

$287.92

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2 Foot LED Stairwell Light, 3150 Lumens, 15W/20W/25W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 15W/20W/25W
Lumens: 1,950Lm-3,150Lm (See Spec for Details)
CCT Selectable: 3500K/4000K/5000K
Dimming: 0-10V
Rated Life: L70 @ >100,000Hrs
Operating Temperature: −4ºF to 122ºF (−20ºC to 50ºC/)
Ratings: DLC, UL
Warranty: 5 Years

ITEM: KT-SWLED25PS-2A-8CSA-VDIM-P

$302.30

$251.92

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White rectangular 1x4 foot back lit led panel light with textured surface and metallic mounting hardware for panel lights

1 x 4 Foot Back Lit LED Flat Panel, 3750 Lumens, 30W, 120-277V, CCT Available: 3500K, 4000K, or 5000K

Brand: Keystone Technologies
Wattage: 30W
Lumens: 3,750Lm
Voltage: 120-277V
CRI: >80
CCT Available: 3500K, 4000K, or 5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 47.76” x W 11.93” x D 1.26”
Listings: DLC Premium, UL, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED30-14-835-VDIM-P

$136.90

$114.08

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White rectangular 2 x 4 foot led panel light with 4400 lumens and back lit design in selectable cct options

2 x 4 Foot Back Lit LED Flat Panel, 4400 Lumens, 40W, 120-277V, CCT Available: 3500K, 4000K, or 5000K

Brand: Keystone Technologies
Wattage: 40W
Lumens: 4,400Lm
Voltage: 120-277V
CRI: >80
CCT Available: 3500K, 4000K, or 5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 47.76” x W 23.74” x D 1.37”
Listings: DLC Premium, UL, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED40-24-835-VDIM-P

$177.80

$148.17

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White rectangular back-lit led panel light with sleek modern design 2x4 foot 3750 lumens 30w 3500k 4000k 5000k options

2 x 4 Foot Back Lit LED Flat Panel, 3750 Lumens, 30W, 120-277V, CCT Available: 3500K, 4000K, or 5000K

Brand: Keystone Technologies
Wattage: 30W
Lumens: 3,750Lm
Voltage: 120-277V
CRI: >80
CCT Available: 3500K, 4000K, or 5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 47.76” x W 23.74” x D 1.37”
Listings: DLC Premium, UL, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED30-24-835-VDIM-P /G2

$172.20

$143.50

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White rectangular recessed back-lit led panel light with grid pattern and metallic mounting hardware 2x2 foot 30w

2 x 2 Foot Back Lit LED Flat Panel, 3750 Lumens, 30W, 120-277V, CCT Available: 3500K, 4000K, or 5000K

Brand: Keystone Technologies
Wattage: 30W
Lumens: 3,750Lm
Voltage: 120-277V
CRI: >80
CCT Available: 3500K, 4000K, or 5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 23.74” x W 23.74” x D 1.37”
Listings: DLC Premium, UL, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED30-22-835-VDIM-P /G2

$124.00

$103.33

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White rectangular recessed 2x2 foot led panel light with grid pattern and metallic mounting hardware for ceiling use

2 x 2 Foot Back Lit LED Flat Panel, 2500 Lumens, 20W, 120-277V, CCT Available: 3500K, 4000K, or 5000K

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

ITEM: KT-BPLED20-22-835-VDIM-P

$120.10

$100.08

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White rectangular smartloop 2x4 foot back-lit panel light with modern design and selectable wattage and cct options

Smartloop 2 x 4 Foot Back Lit LED Flat Panel, 6200 Lumens, 20W/40W/50W Selectable, 120-277V, CCT Selectable 3500K/4000K/5000K

Brand: Keystone Technologies
Wattage Selectable: 20W/30W/40W
Lumens: 3,850Lm-6,200Lm (See Spec For Details)
Voltage: 120-277V
CRI: >80
CCT Selectable: 3500K/4000K/5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 23.70” x W 47.72” x D 1.75”
Listings: DLC, UL, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED50PS-24B-8CSA-VDIM /FC2

$280.70

$233.92

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

Smartloop 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: 2,450Lm-4,500Lm
Voltage: 120-277V
CRI: >80
CCT Selectable: 3500K/4000K/5000K
0-10V dimmable
Rated Life: 50,000Hrs
Dimensions: L 23.70” x W 23.70” x D 1.75”
Listings: DLC, UL, Damp Locations
Warranty: 5 Years

ITEM: KT-BPLED40PS-22B-8CSA-VDIM /FC2

$215.90

$179.92

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

Brown 8 inch square led canopy light with bronze finish screw-in microwave motion and smartloop rf-only sensors

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

Brand: Keystone Technologies
Wattage Selectable: 20W/30W/40W
Voltage: 120-277V
CCT Selectable: 3000K/4000K/5000K
Lumens: 2,600Lm-5,600Lm
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-CLED40PS-S1-8CSB-VDIM

$194.30

$161.92

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8 inch square brown metal LED canopy light with 40 watt 5600 lumens and clear textured diffuser panel

8" Square LED Canopy Light, 40 watt, 5600 Lumens, 120-277V, 5000K

Brand: Keystone Technologies
Wattage: 40W
Voltage: 120-277V
Color Temp: 5000K
Lumens: 5,600Lm
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-CLED40-S1-850-VDIM

$172.70

$143.92

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Circa 8 inch white led recessed wafer down light with sleek modern design and metallic mounting bracket

Circa 8 Inch LED Regressed 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-8B-9CSF-VDIM

$88.50

$73.75

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White circular led recessed wafer down light with metallic bracket 810 lumens wattage and cct selectable

Circa 4 Inch LED Regressed Wafer Down Light, 810 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: 600Lm-810Lm
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-4B-9CSF-VDIM

$60.40

$50.33

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White circular recessed led down light with curved metallic stem and screw base aviva 5/6 inch retrofit 7w 3000k

Aviva 5/6 Inch LED Down Light Retrofit, 650 Lumens, 7W, 120V, 3000K

Brand: Keystone Manufacturing
Wattage: 7W
Voltage: 120V
CCT: 3000K
Lumens: 650Lm
Dimming: TRIAC
Beam Angle: 90º
Life: 50,000 hours
Ratings: cETLus, RoHS Compliant, Wet Locations
Warranty: 3 Years

ITEM: KT-LED7RD-6C-830-DIM-CS

$15.00

$12.50

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Aviva 5/6 inch white retrofit trim baffle downlight with curved ribbed design and orange wire connector for led lighting

Aviva 5/6 Inch LED Down Light Retrofit, 755 Lumens, 8W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 8W
Voltage: 120V
CCT Selectable / Lumens:
2700K / 735Lm
3000K / 745Lm
3500K / 755Lm
4000K / 755Lm
5000K / 745Lm
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-LED8RD-6C-9CSF-DIM

$19.30

$16.08

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White retrofit trim baffle downlight with curved ribbed design and orange wire connector for aviva led retrofit light

Aviva 5/6 Inch LED Down Light Retrofit, 960 Lumens, 10.5W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 10.5W
Voltage: 120V
CCT Selectable / Lumens:
2700K / 920Lm
3000K / 940Lm
3500K / 960Lm
4000K / 960Lm
5000K / 940Lm
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-LED10RD-6C-9CSF-DIM

$20.50

$17.08

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White circular circa 8 inch led recessed wafer down light with sleek modern design and metallic mounting bracket

Circa 8 Inch LED Recessed Wafer Down Light, 1,960 Lumens, 23W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 23W
Voltage: 120V
CCT Selectable/Lumens
2700K/1,800Lm
3000K/1,850Lm
3500K/1,920Lm
4000K/1,960Lm
5000K/1,925Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

ITEM: KT-WDLED23-8B-9CSF-FDIM

$51.70

$43.08

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Circa 4 inch white circular led recessed wafer down light with sleek modern design and metallic mounting bracket

Circa 4 Inch LED Recessed Wafer Down Light, 655 Lumens, 9W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 9W
Voltage: 120V
CCT Selectable/Lumens
2700K/600Lm
3000K/625Lm
3500K/645Lm
4000K/655Lm
5000K/650Lm
CRI: >90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant, Wet Locations
Warranty: 5 Years

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

$34.50

$28.75

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Circa 8 inch led round wafer down light with white circular led and metallic control box for power and cct adjustment

Circa 8 Inch LED Round Wafer Down Light, 1,960 Lumens, 23W, 120V, CCT Selectable: 2700K/3000K/3500K/4000K/5000K

Brand: Keystone Manufacturing
Wattage: 23W
Voltage: 120V
CCT Selectable/Lumens
2700K/1,800Lm
3000K/1,850Lm
3500K/1,920Lm
4000K/1,960Lm
5000K/1,925Lm
CRI: 90
Dimming: TRIAC
Life: 50,000 hours
Ratings: UL, Energy Star, Title 24, RoHS Compliant
Warranty: 5 Years

ITEM: KT-WDLED23-8A-9CSF-FDIM

$49.60

$41.33

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Advanta led 8 inch white recessed emergency downlight with quick connect wiring and metallic housing wattage selectable

Advanta led 8 inch white recessed downlight with red cct selector and silver mounting brackets with emergency driver

Advanta LED 8 Inch Recessed Downlight with Emergency Driver, 1,680 Lumens, Wattage Selectable: 14W/17W/20W, CCT Selectable: 3000K/3500K/4000K, 120-277V

Brand: Keystone Technologies
Wattage Selectable: 14W/17W/20W
Lumens: 1,080Lm-1,680Lm (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-RDLED20PS-8A-9CSE-VDIM-EM5

$367.10

$305.92

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White circular recessed downlight with remote driver control panel and color adjustment buttons 8 inch led fixture

White circular recessed downlight with remote driver and metallic mounting brackets for modern LED lighting

Advanta LED 8 Inch Recessed Downlight with Remote Driver, 2,010 Lumens, 23W, TRIAC Dimming, CCT Selectable: 2700K/3000K/3500K/4000K/5000K, 120V

Brand: Keystone Technologies
Wattage: 13W
Lumens: 1,950Lm-2,010Lm (See Spec for details)
Voltage: 120V
CRI: >90
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
TRIAC Dimming
Life: 50,000 Hours
Listings: UL, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED23-8B-9CSF-FDIM

$64.70

$53.92

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White circular recessed downlight with remote driver and control panel for power and color adjustment in 120v use

White circular advanta led 6 inch recessed downlight with remote driver and metallic mounting brackets

Advanta LED 6 Inch Recessed Downlight with Remote Driver, 990 Lumens, 13W, TRIAC Dimming, CCT Selectable: 2700K/3000K/3500K/4000K/5000K, 120V

Brand: Keystone Technologies
Wattage: 13W
Lumens: 950Lm-990Lm (See Spec for details)
Voltage: 120V
CRI: >90
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
TRIAC Dimming
Life: 50,000 Hours
Listings: UL, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED13-6B-9CSF-FDIM

$45.30

$37.75

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White circular recessed downlight with remote driver and control panel for 690 lumens adjustable color temperature lighting

Advanta led 4 inch white recessed downlight with remote driver and metallic mounting brackets for 120v use

Advanta LED 4 Inch Recessed Downlight with Remote Driver, 690 Lumens, 9W, TRIAC Dimming, CCT Selectable: 2700K/3000K/3500K/4000K/5000K, 120V

Brand: Keystone Technologies
Wattage: 9W
Lumens: 650Lm-690Lm (See Spec for details)
Voltage: 120V
CRI: >90
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
TRIAC Dimming
Life: 50,000 Hours
Listings: UL, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED9-4B-9CSF-FDIM

$40.90

$34.08

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White circular Advanta LED recessed downlight with remote driver and control panel for color and power adjustment

White circular advanta led 10 inch recessed downlight with remote driver and metallic mounting brackets

Advanta LED 10 Inch Recessed Downlight with Remote Driver, 3,550 Lumens, Wattage Selectable: 21W/29.5W/37.5W, 0-10V Dimming, CCT Selectable: 2700K/3000K/3500K/4000K/5000K, 120-277V

Brand: Keystone Technologies
Wattage Selectable: 16.5W/23W/29W
Lumens: 2,030Lm-3,550Lm (See Spec for details)
Voltage: 120-277V
CRI: >90
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
0-10V Dimming
Life: 70,000 Hours
Listings: cULus, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED38PS-10B-9CSF-VDIM

$129.50

$107.92

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White circular advanta led 8 inch recessed downlight with remote driver and control panel for wattage and color adjustment

White circular advanta led 8 inch recessed downlight with remote driver and metallic mounting brackets

Advanta LED 8 Inch Recessed Downlight with Remote Driver, 2,780 Lumens, Wattage Selectable: 16.5W/23W/29W, 0-10V Dimming, CCT Selectable: 2700K/3000K/3500K/4000K/5000K, 120-277V

Brand: Keystone Technologies
Wattage Selectable: 16.5W/23W/29W
Lumens: 1,600Lm-2,780Lm (See Spec for details)
Voltage: 120-277V
CRI: >90
CCT Selectable: 2700K/3000K/3500K/4000K/5000K
0-10V Dimming
Life: 70,000 Hours
Listings: cULus, Energy Star, RoHS, Title 24
Warranty: 5 Years

ITEM: KT-RDLED29PS-8B-9CSF-VDIM

$97.10

$80.92

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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.