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Fluorescent Ballast Cross Reference

Fluorescent Ballast Cross Reference Guide

Find the right replacement ballast with the LeanLight fluorescent ballast cross reference guide. Compare Keystone Technologies ballast part numbers with Philips Advance, GE, and Sylvania equivalents for T12, T8, T5, T5HO, T5HE, CFL, and Circline fluorescent lighting systems.

If you are replacing an existing fluorescent ballast, start by identifying the ballast part number, lamp type, number of lamps, voltage, and starting method. When available, the Keystone part numbers below link directly to the corresponding LeanLight product page.

Shop all fluorescent ballasts at LeanLight →

T12 Fluorescent Ballast Cross Reference

T12 fluorescent lamps were widely used in commercial, industrial, residential, retail, school, and institutional lighting fixtures. Common T12 lamps include F20T12, F40T12, and F96T12 configurations.

The following chart compares common Keystone T12 ballasts with corresponding Philips Advance, GE, and Sylvania ballast numbers.

Keystone Part Number Description Philips Advance Equivalent GE Equivalent Sylvania Equivalent
KTEB-240-1-TP (2) F40T12, 120V, Instant/Rapid Start RELB-2S40-N / REL-2P40-TP GE-240-RS-120 QTP-2X40T12/120/RSNSC
KTEB-140-1-TP-EMI (1) F40T12, 120V, Rapid Start RELB-1S40-SC GE-140-RS-120-DIY N/A
KTEB-120-1-TP (1) F20T12, 2ft, 120V, Rapid Start RELB-1S20 / REL-1P20-TP GE-120-RS-120 QT-1X20T12/120/RS
KTEB-220-1-TP-EMI (2) F20T12, 2ft, 120V, Rapid Start REL-2P20-TP GE-220-RS-120 QT-2X20T12/120/RS
KTEB-275-UV-TP-PIC-SL (2) F96T12, 120-277V, Instant Start ICN-2P60-SC GE-260-IS-MV-N QTP-2X96T12/UNV/IS

T8 Fluorescent Ballast Cross Reference

T8 fluorescent ballasts are commonly used with F17T8, F25T8, F32T8, F59T8, and F96T8 lamps. Ballasts are available in 120V and universal 120-277V configurations, with different starting methods and lamp combinations.

Always match the ballast to the lamp type, number of lamps, voltage, starting method, ballast factor, and wiring requirements of the fixture.

Keystone Part Number Description Philips Advance Equivalent GE Equivalent Sylvania Equivalent
KTEB-232RIS-1-TP-SL (1-2) F17/25/32T8, 120V, Residential, Instant Start IOPA-2P32-N / REL-2P32-SC GE-232-120-N QTP-2X32T8/120/IS-SC
KTEB-432RIS-1-TP-SL (3-4) F17/25/32T8, 120V, Residential, Instant Start REL-4P32-SC / IOP-4P32-SC GE-432-120-N QTP-4X32T8/120/IS-SC
KTEB-232-UV-IS-N-P (2) F17/25/32T8, 120-277V, Instant Start Normal IOP-2P32-SC / IOPA-2P32-N GE-232MAX-N/ULTRA QHE-2X32T8/UNV/ISN-SC
KTEB-332-UV-IS-N-P (3) F17/25/32T8, 120-277V, Instant Start Normal IOP-3P32-SC GE-332MAX-N/ULTRA QHE-3X32T8/UNV/ISN-SC
KTEB-432-UV-IS-N-P (4) F17/25/32T8, 120-277V, Instant Start Normal IOP-4P32-SC GE-432MAX-N/ULTRA QHE-4X32T8/UNV/ISN-SC
KTEB-259-UV-IS-N (2) F96T8, 120-277V, Instant Start IOP-2P59-SC GE-259MAX-N/ULTRA QTP-2X59T8/UNV/ISN-SC

T5, T5HO & T5HE Ballast Cross Reference

T5 fluorescent ballasts are available for standard T5, high-efficiency T5HE, and high-output T5HO lamps. The ballast must be matched to the specific lamp type and wattage.

Keystone Part Number Description Philips Advance Equivalent GE Equivalent Sylvania Equivalent
KTEB-228HE-UV-PS-SL (1-2) F14/21/28T5 High Efficiency, 120-277V, Program Start ICN-2S28-N / IOP-2S28-2LD GE-228-MVPS-N QHE-2X28T5/UNV/PSN-SC
KTEB-228-1-TP-PH / -SL (1-2) F14/21/28T5, 120V, Preheat/Rapid Start ICN-2S28-N / REL-2P28-TP GE-228-RS-120 QTP-2X28T5/120/RS
KTEB-254HO-UV-PS-SL (1-2) F54T5HO, 120-277V, Program Start ICN-2S54-SC / IOP-2S54-2LD GE-254-MVPS-N QHE-2X54T5HO/UNV/PSN-SC
KTEB-454HO-UV-PS (4) F54T5HO, 120-277V, Program Start ICN-4S54-2LS GE-454-MVPS-N QHE-4X54T5HO/UNV/PSN
KTEB-114-1-TP-FC/P (1-2) F8/14T5, 120V ICN-1S14 / REL-1P14-TP GE-114-RS-120 QT-1/2X14T5/120/RS

CFL & Circline Ballast Cross Reference

Compact fluorescent and Circline lamps require ballasts designed for the specific lamp type, wattage, base, and lamp configuration.

Keystone Part Number Description Philips Advance Equivalent GE Equivalent Sylvania Equivalent
KTEB-126-1-TP (1) CF26W, 4-pin, 120V ICF-1S26-H1-LD GE-126-RS-120 QT-1X26/120/IS
KTEB-226-1-TP (1-2) CF26W, 4-pin, 120V ICF-2S26-H1-LD / RELB-2S26-N GE-226-RS-120 QT-2X26/120/IS
KTEB-2C72-1-TP-WS (2) FC12T9 / FC16T9 Circline, 120V REL-2C72-TP N/A QT-2X40C/120/RS (similar)

Additional Keystone Fluorescent Ballasts at LeanLight

LeanLight carries additional Keystone fluorescent ballasts that are useful for replacement applications but were not included in the original crossover table. These products can be added to the cross-reference section as additional manufacturers and configurations are researched.

Keystone Ballast Application
KTEB-108-1-TP-FC 1-lamp, 8W T5 fluorescent ballast
KTEB-128-1-TP-FC-PH 1-lamp, 28W T5 fluorescent ballast
KTEB-132-1-TP-FC 1-lamp, 32W T8 fluorescent ballast
KTEB-1C22-1-TP-WS 1-lamp, 22W Circline ballast with sockets

How to Choose a Replacement Fluorescent Ballast

Selecting a replacement ballast requires more than matching the general wattage. The replacement should be compatible with the exact lamp and fixture configuration.

  1. Identify the fluorescent lamp type. Determine whether the fixture uses T12, T8, T5, T5HE, T5HO, CFL, Circline, or another fluorescent lamp.
  2. Count the lamps. A one-lamp ballast, two-lamp ballast, three-lamp ballast, and four-lamp ballast are not automatically interchangeable.
  3. Check the lamp wattage. Match the ballast to the exact lamp wattage and type.
  4. Verify the input voltage. Common ballast voltages include 120V and universal 120-277V.
  5. Check the starting method. Confirm whether the fixture requires instant start, rapid start, programmed start, or another starting method.
  6. Check the wiring diagram. The wiring configuration must match the fixture and lamp arrangement.
  7. Verify the ballast dimensions. Make sure the replacement ballast physically fits inside the fixture.

Ballast Cross Reference vs. Exact Replacement

A ballast cross reference is a useful way to identify comparable products, but a cross-reference number does not necessarily mean that two ballasts are identical in every specification.

Different manufacturers may use different ballast factors, starting methods, wiring configurations, case dimensions, lamp combinations, and electrical characteristics.

Always compare the original ballast label and wiring diagram with the replacement ballast specifications before installation.

Keystone Fluorescent Ballasts at LeanLight

LeanLight carries a growing selection of Keystone Technologies fluorescent ballasts for T12, T8, T5, T5HO, T5HE, CFL, Circline, and other fluorescent lighting applications. Our current catalog includes numerous Keystone ballast configurations for lighting repair and replacement applications. :contentReference[oaicite:2]{index=2}

Shop Keystone Technologies at LeanLight →

Shop all fluorescent ballasts →

Fluorescent Ballast Replacement FAQs

How do I find a replacement for my fluorescent ballast?

Find the manufacturer and model number printed on the ballast label. Then verify the lamp type, number of lamps, lamp wattage, voltage, starting method, and wiring configuration. Use a ballast cross-reference chart to identify compatible replacement options.

Can I replace a ballast with another brand?

A different manufacturer's ballast may be suitable when its electrical specifications and lamp compatibility match the fixture requirements. Always verify the manufacturer's specifications and wiring diagram before installation.

What is the difference between a T8 and T12 ballast?

T8 and T12 fluorescent systems use different lamp characteristics and electrical requirements. Some ballasts are designed for specific lamp types, while others may support multiple lamp configurations. Always check the ballast label and specifications.

What is an instant-start ballast?

An instant-start ballast is designed to start compatible fluorescent lamps without the preheating sequence associated with some rapid-start systems. The ballast must be matched to the appropriate lamp and fixture.

What is a rapid-start ballast?

A rapid-start ballast supplies the appropriate starting conditions for compatible fluorescent lamps and is commonly used in commercial and residential fluorescent fixtures.

What is a program-start ballast?

A program-start ballast controls the lamp starting sequence and is commonly used in applications where lamp-starting performance and frequent switching are important.

Are Philips Advance, GE, and Sylvania ballast numbers interchangeable?

Cross-reference numbers identify comparable ballast models, but they should not be considered a guarantee that the products are identical or interchangeable in every installation. Always verify the electrical specifications and wiring diagram.

Where can I buy replacement fluorescent ballasts?

LeanLight offers a growing selection of Keystone and other fluorescent ballasts for T12, T8, T5, T5HO, CFL, Circline, and related lighting applications.

Shop replacement fluorescent ballasts at LeanLight →

Important Installation Note

Always verify the ballast wiring diagram, lamp compatibility, input voltage, current specifications, starting method, and fixture requirements before installation.

Cross-reference information is provided as a general reference and should not replace the manufacturer's current installation instructions or specifications.