Keystone Technologies
Founded in 1945 and is still headquarted in North Philadelphia, Keystone is very strong in manufacturering quality fluorescent, sign, and LED drivers, ballasts, and lamps. With a very high quantity of products always in production, the lead time and pricing is very low for these high quality products.
For a reference table to match up old Keystone Ballast part numbers click here.
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Keystone KT-LED52T8-120P2S 52 Watt 120 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED52T8-120P2S-8xx-D /G2
$141.55 -
Keystone KT-LED42T8-96P2S 42 Watt 96 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED42T8-96P2S-8xx-D /G2
$109.00 -
Keystone KT-LED31T8-72P2S 31 Watt 72 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED31T8-72P2S-8xx-D /G2
$70.81 -
Keystone KT-LED19T8-84P1S Sign Hero 19W 84IN 180Deg Single-Sided LED Sign Tube
PART# KT-LED19T8-84P1S-8xx-D /G2
$64.23 -
Keystone KT-RHLED200PS 14IN Dia 100W/150W/200W UFO LED High Bay Commercial Light Fixture with Selectable Wattage and Color
PART# KT-RHLED200PS-14C-8CSB-VDIM-P-W
$284.20 -
Keystone KT-LED50T8-117P2S 50 Watt 108 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED50T8-117P2S-8xx-D /G2
$171.55 -
KEYSTONE KT-EMRG-LED-5-500-AC 5W 500 Lumen AC LED Emergency Back-Up for Recessed and Integrated Fixtures
PART# KT-EMRG-LED-5-500-AC
$148.57 -
Keystone KT-LED26T8-120P1S Sign Hero 26 Watt 120IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED26T8-120P1S-8xx-D /G2
$137.18 -
Keystone KT-LED47T8-108P2S 47 Watt 108 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED47T8-108P2S-8xx-D /G2
$135.73 -
Keystone KT-LED24T8-108P1S Sign Hero 24 Watt 108IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED24T8-108P1S-8xx-D /G2
$128.55 -
Keystone KT-LED25T8-117P1S Sign Hero 25 Watt 117IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED25T8-117P1S-8xx-D /G2
$120.76 -
Keystone KT-LED60HID 60 Watt LED Retrofit Lamp 4000K Non-Dimmable Replaces 200W HID
PART# KT-LED60HID-V-E26-840-D
$109.88 -
Keystone KT-LED21T8-96P1S Sign Hero 21 Watt 96IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED21T8-96P1S-8xx-D /G2
$92.09 -
Keystone KT-LED37T8-84P2S 37 Watt 84 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED37T8-84P2S-8XX-D /G2
$80.75 -
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Keystone KT-LED28T8-64P2S 28 Watt 64 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED28T8-64P2S-8xx-D /G2
$62.85 -
Keystone KT-LED26T8-60P2S 26 Watt 60 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED26T8-60P2S-8xx-D /G2
$59.26 -
Keystone KT-LED16T8-72P1S Sign Hero 16 Watt 72IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED16T8-72P1S-8xx-D /G2
$54.29 -
Keystone KT-LED13T8-60P1S Sign Hero 13 Watt 60IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED13T8-60P1S-8xx-D /G2
$46.12 -
Keystone Technologies KT-LED40T8-96G DLC Listed 40 Watt 8FT LED Glass Construction Direct Drive Linear Tube Lamp Single Pin Base
PART# KT-LED40T8-96G-8xx-D2
$44.00 -
Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED21T8-48P2S-8xx-D /G2
$41.60 -
Keystone KT-LED18T8-42P2S 18 Watt 42 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED18T8-42P2S-8xx-D /G2
$35.90 -
Keystone KT-LED8T8-36P1S Sign Hero 8 Watt 36IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED8T8-36P1S-8xx-D /G2
$31.89 -
Keystone KT-LED10T8-24P2S 10 Watt 24 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED10T8-24P2S-8xx-D /G2
$30.85 -
Keystone Technologies KT-LED7T8-24GC DLC Listed 7 Watt LED T8 Shatter-Proof Coated Glass Single Ended Linear Tube Lamp Dimmable G13 Base
PART# KT-LED7T8-24GC-8xx-D-VDIM
$30.75 -
Keystone KT-LED13T8-30P2S 13 Watt 30 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED13T8-30P2S-8xx-D /G2
$30.10 -
Keystone KTET-150-1-SCP-DIM Halogen-Electronic Low Voltage 150W Transformer 11V Output
PART# KTET-150-1-SCP-DIM
$28.94 -
Keystone KT-LED7T8-18P2S 7 Watt 18 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED7T8-18P2S-8xx-D /G2
$26.85 -
Keystone KTET-75-1-SCP-DIM-HV-AL/A Halogen-Electronic Low Voltage 75W Transformer 12V Output Aluminum Case
PART# KTET-75-1-SCP-DIM-HV-AL/A
$23.38 -
Keystone KT-LED4T8-18P1S Sign Hero 4 Watt 18IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED4T8-18P1S-8xx-D /G2
$19.85 -
Keystone KT-LED15T8-48GC 15 Watt 4 Foot Ballast Bypass LED T8 Linear Tube Lamp High CRI
PART# KT-LED15T8-48GC-9xx-D
$15.89 -
Keystone KT-LED18.5T8-48GC–840-DX2 18.5W 2600 Lumen 4' (Type B/Bypass) LED T8 Tube 4000K
PART# KT-LED18.5T8-48GC-840-DX2 /G2
$14.09 -
Keystone KT-LED15T8-48GC-840-DX2 4FT Direct Drive Single or Double-ended 15W 4000K
PART# KT-LED15T8-48GC-840-DX2
$10.84 -
Keystone Technologies KT-LED15T8-48G DLC Listed 15 Watt 4FT LED T8 Ballast Bypass Double-Ended Linear Tube Lamp G13 Base
PART# KT-LED15T8-48G-8xx-D2
$10.53 -
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Keystone KT-LED14T8-64P1S Sign Hero 14 Watt 64IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED14T8-64P1S-8xx-D /G2
$49.39 -
Keystone Technologies KT-LED25T8-96G DLC Listed 25 Watt 8 Foot LED T8 Ballast Bypass Double Ended Linear Tube Lamp FA8 Base
PART# KT-LED25T8-96G-8xx-D
$44.00 -
Keystone KT-LED11T8-48P1S Sign Hero 11 Watt 48IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED11T8-48P1S-8xx-D /G2
$37.09 -
Keystone KT-LED16T8-36P2S 16 Watt 36 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED16T8-36P2S-8xx-D
$34.40 -
Keystone KTEB-213-UV-RS-DW-KIT CFL (Electronic) Electronic Ballast 1 or 2 Lite 13W 4-Pin CFL Kit Includes Leads/Stud Plate
PART# KTEB-213-UV-RS-DW-KIT
$34.02 -
Keystone KT-LED9T8-42P1S Sign Hero 9 Watt 2IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED9T8-42P1S-8xx-D /G2
$33.69 -
Keystone KTEB-213-UV-RS-DW CFL (Electronic) Electronic Ballast 1 or 2 Lite 13W 4-Pin CFL No Studs No Leads
PART# KTEB-213-UV-RS-DW
$29.85 -
Keystone KT-LED7T8-30P1S Sign Hero 7 Watt 30IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED7T8-30P1S-8xx-D /G2
$26.99
Keystone has designed, engineered, and manufactured reliable ballasts and advanced lighting products for more than six decades. The manufacturer have grown significantly from simple beginnings following WWII by delivering innovative solutions that stand the test of time. Their quality manufacturing processes produce the very highest levels of reliability.