
GEMH20MLF120 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $210.00 | Condition is New, 2 Pieces GE 87490 GEMH20MLF120 Electronic Metal Halide 20 Watt M156 Ballast 120V, FREE SHIPPING | 100.0% |
![]() | $1100.00 | Condition is New, 12 Pack GE 87490 GEMH20MLF120 Electronic Metal Halide 20 Watt M156 120V, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $34.89 | Condition is New – Open box, GE 87490 GEMH20MLF120 Electronic Metal Halide 20-Watt M156 Ballast, shipping cost = $1.79 | 100.0% |
![]() | $28.99 | Condition is New – Open box, GE 87490 GEMH20MLF120 Electronic Metal Halide 20-Watt M156 Ballast, shipping cost = $8.75 | 99.6% |
![]() | $199.99 | Condition is New – Open box, GE 87490 GEMH20MLF120 Electronic Metal Halide 20-Watt M156 Ballast 120V 20W, FREE SHIPPING | 99.9% |

The GE H20MLF120 87490 20W Ballast is a high-performance and reliable electrical component designed specifically for use with metal halide lamps in industrial and commercial lighting applications. This ballast is engineered to deliver optimal lumen output and efficiency, making it an excellent choice for high-intensity lighting systems.
The H20MLF120 ballast is a 20-watt electronic version, which means it can handle a metal halide lamp with an electrical input power of up to 20 watts. It is designed to operate with lamps that have a GE E27 base, making it suitable for a wide range of lighting fixtures. This ballast comes with a pre-wired terminal block for easy installation, allowing for quick and secure wire connections.
The GE H20MLF120 ballast is built with advanced electronic technology, ensuring superior energy efficiency and long-lasting performance. It is engineered with overvoltage protection, which helps prevent lamp damage and prolongs its life. Additionally, it comes with built-in thermal management, which maintains optimal operating temperature to ensure consistent performance.
This ballast offers excellent compatibility with various metal halide lamp types, including standard, high-pressure, and pulsed-start lamps. It also comes with a power factor of 0.9, ensuring high energy efficiency and minimizing electricity usage. The elegant compact design of the H20MLF120 ballast makes it easy to install and maintain, making it the ideal choice for high-performance lighting applications.
Overall, the GE H20MLF120 87490 20W Ballast is an excellent investment for any industrial or commercial lighting system. With its advanced features, high compatibility, and energy efficiency, it is a dependable and cost-effective solution for achieving optimal performance and longevity from your lighting setup.
Product Name: Hylight GE Gemh20MLF120 87490 20W BLR Ballast
The Hylight GE Gemh20MLF120 87490 20W BLR Ballast is a lighting component commonly used in fluorescent light fixtures. While making a purchasing decision, it is essential to evaluate the advantages and disadvantages of this product to determine if it is the best fit for your needs.
Advantages:1. Energy Efficiency: The Hylight GE Gemh20MLF120 87490 20W Ballast is an energy-efficient solution as it can handle multiple T12 or T8 fluorescent lamps, which are known for their energy savings.
2. Longer Lamp Life: The ballast effectively manages the electric current in the lamp, ensuring the appropriate voltage and reducing lamp striking time. This leads to an extended lamp life, potentially reducing replacement costs.
3. Cool-Start Feature: This ballast features a cool-start technology, which ensures consistent lamp performance upon lamp start-up, ensuring an even warm-up of the lamps, preventing uneven lighting and potential flickering.
Disadvantages:4. Limited Compatibility: The Hylight GE Gemh20MLF120 87490 20W Ballast is only compatible with T12 or T8 lamps, making it less versatile for users who prefer other lamp types like LED or CFL.
5. Additional Cost for Electronic Controls: To achieve advanced functions like dimming and occupancy sensors, additional electronic controls must be purchased separately, adding to the overall cost of the lighting system.
6. Size and Weight: As a commercial-grade lighting component, the Hylight GE Gemh20MLF120 87490 20W Ballast is relatively large and heavy. This may require additional planning and logistical considerations during installation.
Conclusion:The Hylight GE Gemh20MLF120 87490 20W Ballast is an energy-efficient and reliable solution for lighting installations using T12 or T8 lamps. Its cool-start feature ensures consistent and even lamp performance. Although it has some limitations, such as compatibility and additional costs for advanced controls, its ability to extend lamp life can lead to cost savings over time. If your lighting application necessitates compatibility with other lamp types or electronic controls, it might be wise to research alternative ballast options.
Recommendation:For applications specifically using T12 or T8 lamps, the Hylight GE Gemh20MLF120 87490 20W Ballast is a solid, cost-effective, and energy-efficient option. However, if you foresee a need for compatibility with other lamp types, advanced control features like dimming or occupancy sensors, or a smaller form factor, consider alternative ballast models that cater to those requirements.
Details:
Brighten up your workspace with this lot of three Ge 20w ballasts. Whether you're looking to improve the lighting in your office or factory, these ballasts are sure do trick. The pc 87490 model is specifically designed for use with Ge lamps, making it a great addition to any business or industrial setting. With a brand name like Ge, you can trust that these ballasts are of high quality and will provide long-lasting lighting solutions.
specifications faclighting:
- brand: Ge
- mpn: Gemh20mlf120
- part type: Ballast
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
offer faclighting:
- prices: $199.99–$1100.00
- item condition:
- New
- New – Open box
- started: january 18, 2025
- in stock #: 5
- best offers: true
- options: ship-to-home
- sold #: 27
- availability: in stock
returns faclighting:
- policy: no returns
payments faclighting:
- wallet: apple-pay
- credit card: visa
- other
shipping faclighting:
- carrier: usps
- transit: 6-13 days
- type: fixed
- class: standard
- service: usps ground advantaGe
seller faclighting:
- # reviews: 5904
- city: noblesville, indiana
- rating: 98.5%
Grouped With:
- GE-332-MAX-L-ULTRA: BALLAST, General Electric
- GE-MH-250-400-MAX-208-277: BALLAST, Ge
- 87213-GEM1000ML5AC5-5: BALLAST, Ge
- F26DBX-835-F26DBXT4-SPX35: LAMP, Ge
- TS1S1SP830WJ11V: TRACK LIGHT, Ge
- 97499: BALLAST, Ge
- GEMH20-120: BALLAST, Ge
- GE240RS120-DIY: BALLAST, Ge
- ALF475-02: BUTTON SWITCH HOLDER, Ge
- G4-RN-T8-1LL-120: LIGHTING BALLAST, General Electric
- G3-RN-T8-1LL-120: LIGHTING BALLAST, General Electric




