Keystone Technologies
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Keystone KTSB-E-0848-46-UV/A Electronic - Parallel Wired Sign Ballast 4-6 Lamps 8-48 Feet
PART# KTSB-E-0848-46-UV/A
$157.64 -
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Keystone KT-EMRG-1400-SL/B T8 or T12 Emergency Ballast 1400 Lumen 90 Minutes with Low Profile Case
PART# KT-EMRG-1400-SL/B
$119.50 -
Keystone KT-EMRG-1400/B T8 or T12 Emergency Ballast 1400 Lumen 90 Minutes
PART# KT-EMRG-1400/B
$112.43 -
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Keystone KT-EMRG-500-SL/B T8 or T12 Emergency Ballast 500 Lumen 90 Minutes Low Profile Case
PART# KT-EMRG-500-SL/B
$72.14 -
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Keystone KT-EMRG-700-SL/B T8 or T12 Emergency Ballast 700 Lumen 90 Minutes with Low Profile Case
PART# KT-EMRG-700-SL/B
$113.31 -
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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
$220.97 -
Keystone KT-LED10.5T8-48G DirectDrive D2 Series 10.5-Watt 4-Foot T8 LED Double Ended Ballast Bypass Glass Tube Lamp G13 Base
PART# KT-LED10.5T8-48G-8xx-D2
$13.84 -
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Keystone KT-LED10T8-24P2S 10 Watt 24 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED10T8-24P2S-8xx-D /G2
$33.29 -
Keystone KT-LED11T8-48P1S Sign Hero 11 Watt 48IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED11T8-48P1S-8xx-D /G2
$35.78 -
Keystone KT-LED13T8-30P2S 13 Watt 30 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED13T8-30P2S-8xx-D /G2
$33.02 -
Keystone KT-LED13T8-60P1S Sign Hero 13 Watt 60IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED13T8-60P1S-8xx-D /G2
$43.93 -
Keystone KT-LED14T8-64P1S Sign Hero 14 Watt 64IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED14T8-64P1S-8xx-D /G2
$49.47 -
Keystone KT-LED15T8-48GC-840-DX2 4FT Direct Drive Single or Double-ended 15W 4000K
PART# KT-LED15T8-48GC-840-DX2
$10.49 -
Keystone KT-LED16T8-36P2S 16 Watt 36 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED16T8-36P2S-8xx-D
$37.53 -
Keystone KT-LED16T8-72P1S Sign Hero 16 Watt 72IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED16T8-72P1S-8xx-D /G2
$54.19 -
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
$13.87 -
Keystone KT-LED18T8-42P2S 18 Watt 42 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED18T8-42P2S-8xx-D /G2
$39.28 -
Keystone KT-LED21T8-48P2S 21 Watt 48 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED21T8-48P2S-8xx-D /G2
$45.55 -
Keystone KT-LED19T8-84P1S Sign Hero 19W 84IN 180Deg Single-Sided LED Sign Tube
PART# KT-LED19T8-84P1S-8xx-D /G2
$64.31 -
Keystone KT-LED24T8-108P1S Sign Hero 24 Watt 108IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED24T8-108P1S-8xx-D /G2
$98.96 -
Keystone KT-LED21T8-96P1S Sign Hero 21 Watt 96IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED21T8-96P1S-8xx-D /G2
$70.89 -
Keystone KT-LED25T8-117P1S Sign Hero 25 Watt 117IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED25T8-117P1S-8xx-D /G2
$105.61 -
Keystone KT-LED26T8-60P2S 26 Watt 60 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED26T8-60P2S-8xx-D /G2
$55.70 -
Keystone KT-LED26T8-120P1S Sign Hero 26 Watt 120IN 180 Deg Single-Sided LED Sign Tube
PART# KT-LED26T8-120P1S-8xx-D /G2
$105.61 -
Keystone KT-LED28T8-64P2S 28 Watt 64 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED28T8-64P2S-8xx-D /G2
$64.31 -
Keystone KT-LED31T8-72P2S 31 Watt 72 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED31T8-72P2S-8xx-D /G2
$70.89 -
Keystone KT-LED37T8-84P2S 37 Watt 84 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED37T8-84P2S-8XX-D /G2
$80.83 -
Keystone KT-LED47T8-108P2S 47 Watt 108 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED47T8-108P2S-8xx-D /G2
$123.74 -
Keystone KT-LED42T8-96P2S 42 Watt 96 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED42T8-96P2S-8xx-D /G2
$92.38 -
Keystone KT-LED50T8-117P2S 50 Watt 117 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED50T8-117P2S-8xx-D /G2
$132.07 -
Keystone KT-LED52T8-120P2S 52 Watt 120 Inch Sign Hero Tube Lamp Double Ended Wiring Ballast Bypass
PART# KT-LED52T8-120P2S-8xx-D /G2
$132.07
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.
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.