
KTEB-140-1-TP-EMI Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.99 | Condition is New, T12 Electronic Ballast Keystone KTEB-140-1-TP-EMI/C - Low Temperature Rated NEW, shipping cost = $5.96 | 99.2% |
![]() | $15.88 | Condition is New, Keystone KTEB-140-1-TP-EMI /C - T12 Electronic Ballast - Low Temperature Rated, FREE SHIPPING | 98.4% |
![]() | $20.00 | Condition is New, Keystone KTEB-140-1-TP-EMI /C Ballast *Free Shipping*, FREE SHIPPING | 100.0% |
![]() | $14.50 | Condition is New, Keystone KTEB-140-1-TP-EMI /C Ballast *Free Shipping*, shipping cost = $7.60 | 97.8% |
![]() | $24.50 | Top Pick! Condition is New, Keystone KTEB-140-1-TP-EMI-WS T9 Fluorescent Ballast, FREE SHIPPING | 99.7% |
![]() | $21.99 | Condition is New, 2 Keystone KTEB-140-1-TP-EMI /C - T12 Electronic Ballast - Low Temperature Rated, shipping cost = $4.99 | 99.8% |
![]() | $22.95 | Top Pick! Condition is New, Keystone KTEB-140-1-TP-EMI 40W T12 120V 1 Lamp Electronic Fluorescent Ballast, shipping cost = $8.50 | ![]() |
![]() | $33.88 | Condition is New, (2) - Keystone KTEB-140-1-TP-EMI /C - T12 Electronic Ballast - Low Temperature, FREE SHIPPING | ![]() |
![]() | $27.95 | Condition is New, Keystone KTEB-140-1-TP-EMI-WS 32 Watt or 40 Watt FC12T9 FC16T9 Circline Ballast, shipping cost = $8.50 | ![]() |
![]() | $47.49 | Condition is New, Keystone KTEB-140-1-TP-EMI 1 Lamp T12 Electronic Fluorescent Ballast 120V, FREE SHIPPING | 95.5% |
![]() | $94.15 | Condition is New, REPLACEMENT Ballast FOR KEYSTONE TECHNOLOGIES KTEB-140-1-TP-EMI-WS, FREE SHIPPING | 98.9% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $6.99 | Condition is Used, Keystone KTEB-140-1-TP-EMI /C Electronic Ballast-Low Temperature Rapid, shipping cost = $9.02 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $21.99 | Condition is New – Open box, Keystone Cat. No. KTEB-140-1-TP-EMI-WS Electronic Ballast PCB Free *DISCOUNTED, FREE SHIPPING | 100.0% |
![]() | $38.92 | Condition is New – Open box, Keystone Technologies Replacement White KTEB-140-1-TP-EMI, shipping cost = $5.95 | 99.4% |

The Keystone KTEB-140-1-TP-EMI Fluorescent Ballast is a high-performance lighting solution designed for use with T12 F40 bulbs and operates on a 120V voltage system. This ballast is a vital component in the successful operation of fluorescent lighting fixtures, ensuring the efficient and consistent operation of the bulbs.
The KTEB-140-1-TP-EMI ballast boasts a compact and streamlined design, making it an excellent choice for various applications, including offices, schools, warehouses, and other commercial environments. Its robust construction and durable materials guarantee long-lasting performance and reliability, even under heavy usage.
This ballast features a TP (Touch-Proof) design, which provides an added level of safety by preventing accidental contact with the electrical components. Additionally, it is EMI (Electromagnetic Interference) compliant, ensuring that it operates efficiently without causing interference with other electrical devices in the vicinity.
The Keystone KTEB-140-1-TP-EMI Fluorescent Ballast is engineered to deliver optimal performance and energy efficiency. It is capable of handling up to 140 watts of power and can operate up to four bulbs, depending on the specific model of the bulbs being used. This ballast also offers fast lamp restart, reducing downtime and improving productivity.
The KTEB-140-1-TP-EMI Fluorescent Ballast is easy to install, requiring minimal wiring and setup. It is compatible with standard T12 F40 bulbs, making it a versatile choice for a wide range of applications. The ballast comes with a one-year warranty, providing peace of mind and ensuring that any manufacturing defects are covered.
In summary, the Keystone KTEB-140-1-TP-EMI Fluorescent Ballast is a reliable and efficient lighting solution for commercial and industrial applications. Its TP design, EMI compliance, and compatibility with T12 F40 bulbs make it a versatile and safe choice for various environments. Its compact design, fast lamp restart, and ease of installation make it a practical and cost-effective solution for businesses looking to upgrade their lighting systems.
Pros and Cons of Buying a Keystone KT-EB140-1-TP-EMI Fluorescent Ballast for T12 Lamps (F40, 120V)
1. Pros:a. Energy Efficient: This ballast is designed to operate with energy-saving T12 lamps, reducing the overall energy consumption in your lighting system.
b. Long Lamp Life: The Keystone KT-EB140-1-TP-EMI ballast is known for its ability to extend the life of fluorescent lamps by providing precise voltage and current control.
c. EMI/RFI Suppression: This ballast comes with built-in EMI/RFI suppression, ensuring minimal electromagnetic interference and radio frequency interference, which is beneficial for reducing electrical noise and potential disruptions in other electronic devices.
d. Compact Design: The ballast comes in a compact size, making it easy to install and integrate into various lighting systems, including those with limited space.
e. Cost-Effective: Compared to other ballast options, this Keystone model can be a cost-effective solution for your lighting needs, as it provides energy efficiency and extended lamp life.
2. Cons:a. Limited Compatibility: This ballast is specifically designed for F40, T12, 120V lamps. It may not be compatible with other lamp types or voltage requirements, so it's essential to ensure that it fits your specific lighting system.
b. Potential Humming Noise: In some cases, fluorescent ballasts, including this Keystone model, can produce a humming noise. This issue is often caused by a faulty lamp, internal ballast issues, or wiring problems.
c. Sensitivity to Temperature: Fluorescent ballasts, such as the Keystone KT-EB140-1-TP-EMI, can be sensitive to temperature changes. Extreme temperatures can affect their performance and lifespan, so it's essential to maintain a consistent temperature around the lighting system.
d. Potential for Flickering: In some cases, fluorescent lamps can flicker when using a ballast, which can be a source of annoyance and potential productivity loss. However, this issue is often resolved by ensuring proper lamp installation and ballast compatibility.
Conclusion:The Keystone KT-EB140-1-TP-EMI fluorescent ballast offers several advantages, including energy efficiency, extended lamp life, EMI/RFI suppression, compact design, and cost-effectiveness. However, it also comes with some disadvantages, such as limited compatibility, potential humming noise, sensitivity to temperature, and flickering. When deciding whether to purchase this ballast, it's essential to consider your specific lighting needs, budget, and compatibility requirements. If the advantages outweigh the disadvantages for your situation, then the Keystone KT-EB140-1-TP-EMI fluorescent ballast could be a suitable choice for your lighting system. Otherwise, you may want to explore alternative options, such as LED ballasts or other types of lighting systems.
Details:
Combined shipping, some orders qualify for combined shipping discounts. Manufacturer:Keystone technologies, our part number:castigate-140-1-tp-emi, catalog number:kteb-140-1-tp-emi, condition: new, condition notes:new in box, combined shipping:yes, spec sheet: accessories included: not retail price:$34. Keystone technologies KTEB-140-1-TP-EMI,Keystone. Items purchased without making special shipping arrangements will not be honored.
Keystone KTEB-140-1-TP-EMI electronic fluorescent ballast, 1 lamp, f40 t12, 120v new page.
specifications faclighting:
- brand: Keystone Technologies
- mpn: Kteb-140-1-tp-emi
- part type: Ballast Lamp
- color: White
- product length: 1.25
- product width: 6.5
- voltage: 120
- upc: 890949002261
payments faclighting:
- other
- credit card: diners-club
- wallet: paypal
returns faclighting:
- policy: no returns
seller faclighting:
- city: las vegas, nevada
- # reviews: 29995
- rating: 99.3%
shipping faclighting:
- transit: 3-9 days
- service: ups ground, ups 3 day select, ups 2nd day air, ups next day air
- class: standard, expedited, one-day
- carrier: ups
- type: calculated
offer faclighting:
- prices: $6.99–$94.15
- item condition:
- New
- Used
- New – Open box
- options: ship-to-home
- sold #: 31
- availability: in stock
- in stock #: 5
- started: february 10, 2025
- best offers: true
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
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