
WH4-277-L Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.00 | Condition is New, FULHAM WH4-277-L brand new, shipping cost = $4.00 | 100.0% |
![]() | $69.00 | Condition is New, Lot of 4 Fulham Lighting 10080 WH4-277-L Workhorse Versatile Fluorescent, FREE SHIPPING | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $17.99 | Condition is Used, FULHAM WH4-277-L, FREE SHIPPING | 100.0% |
![]() | $13.99 | Condition is Used, FULHAM WH4-277-L / WH4277L (USED), shipping cost = $12.90 | 99.7% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.98 | Condition is New – Open box, FULHAM WH4-277-L, shipping cost = $11.16 | 100.0% |
![]() | $40.00 | Condition is New – Open box, Fulham Workhorse WH4-277-L WH3-277-C Lot Of 2 Ballasts See Pics #A81, shipping cost = $6.95 | 99.6% |

The Fulham WH4-277-L and WH3-277-C Ballasts are industrial-grade lighting solutions designed for commercial and industrial applications. These ballasts are part of Fulham's Workhorse series, which is known for its reliability, energy efficiency, and long-lasting performance.
The WH4-277-L is a 4-lamp electronic ballast specifically designed for use with 4 x 277-watt T5HO lamps. This ballast is rated for operation at 120-277 volts, making it suitable for use in a wide range of electrical environments. With a high-frequency design, this ballast provides excellent lamp starting and maintains consistent lamp output throughout its operating life. Additionally, it offers excellent power factor correction (0.9) and low harmonic distortion, ensuring that it meets the highest energy efficiency standards.
The WH3-277-C is a 3-lamp electronic ballast designed for use with 3 x 277-watt T5HO lamps. Similar to its 4-lamp counterpart, this ballast is rated for operation at 120-277 volts. It also features a high-frequency design for excellent lamp starting and consistent lamp output. The WH3-277-C ballast offers the same power factor correction (0.9) and low harmonic distortion as the WH4-277-L, ensuring maximum energy efficiency and compliance with industry standards.
Both the WH4-277-L and WH3-277-C ballasts come with a number of features designed to enhance their durability and ease of installation. These include a compact design, a universal input voltage range, and a robust construction that can withstand harsh environments. They also come with a 5-year warranty, providing peace of mind for commercial and industrial customers who require dependable lighting solutions.
In summary, the Fulham WH4-277-L and WH3-277-C ballasts are high-performance, energy-efficient, and long-lasting lighting solutions suitable for a wide range of commercial and industrial applications. With their excellent lamp starting, consistent output, and high power factor correction and low harmonic distortion, these ballasts offer reliable performance and superior energy savings. Their robust construction and easy installation make them an ideal choice for customers seeking dependable and cost-effective lighting solutions.
The Fulham WH4-277-L Workhorse and WH3-277-C ballasts are both popular options for commercial and industrial lighting applications. Here are some pros and cons of each ballast to help you make an informed decision:
Fulham WH4-277-L Workhorse Ballast: Pros:1. High efficiency: The WH4-77-L Workhorse ballast offers up to 90% energy efficiency, which can lead to significant energy savings.
2. Long lifespan: This ballast is designed to last up to 100,000 hours, making it a reliable option for long-term use.
3. Wide input voltage range: The WH4-77-L Workhorse ballast can handle a wide range of input voltages, making it suitable for various applications.
4. Compact design: The ballast has a compact design, making it easy to install and fit into tight spaces.
5. Low harmonic distortion: The ballast produces low harmonic distortion, which can help improve power quality and reduce electrical noise.
Cons:1. Limited compatibility: The WH4-77-L Workhorse ballast is specifically designed for use with certain types of lamps, such as HID (High-Intensity Discharge) lamps.
2. High initial cost: The ballast may have a higher initial cost compared to some other options on the market.
Fulham WH3-277-C Ballast: Pros:1. High reliability: The WH3-277-C ballast is designed to provide reliable performance and long lifespan, with a rated lifespan of up to 100,000 hours.
2. Wide compatibility: This ballast is compatible with a wide range of lamp types, including HID, fluorescent, and LED lamps.
3. Energy efficiency: The ballast offers up to 90% energy efficiency, which can help reduce energy consumption and save on utility bills.
4. Low maintenance: The ballast requires minimal maintenance, making it a cost-effective option for large-scale lighting installations.
Cons:1. Limited dimming capability: The WH3-277-C ballast does not support dimming capabilities, which may be a limitation for certain applications.
2. Size: The ballast is larger than some other options on the market, which may make it more difficult to install in tight spaces.
Conclusion:Both the Fulham WH4-277-L Workhorse and WH3-277-C ballasts offer high reliability, energy efficiency, and long lifespan. However, the WH4-77-L Workhorse is specifically designed for HID lamps and may have a higher initial cost, while the WH3-277-C is more versatile and compatible with a wider range of lamp types. If your application requires dimming capabilities, the WH3-277-C may be the better option. If you are looking for a compact, high-efficiency ballast for HID lamps, the WH4-77-L Workhorse may be the better choice. Ultimately, the decision between the two will depend on your specific lighting application and requirements.
Recommendation:Based on the information provided, if you are looking for a versatile ballast that can handle a wide range of lamp types and does not require dimming capabilities, the Fulham WH3-277-C ballast is a recommended option. However, if you are specifically looking for a high-efficiency ballast for HID lamps and are willing to pay a higher initial cost, the Fulham WH4-277-L Workhorse ballast may be the better choice. It is important to carefully consider your lighting needs and application requirements before making a purchase.
Details:
Fulham workhorse WH4-277-L WH3-277-C lot of 2 ballasts see pics location #a81.
specifications faclighting:
- brand: Fulham
- mpn: Wh4-277-l
- part type: Ballast
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
shipping faclighting:
- transit: 4-9 days
- class: economy
- type: fixed
- service: economy
returns faclighting:
- policy: returns accepted
- paid by: buyer
- time: 30 days
- method: money back
offer faclighting:
- prices: $13.99–$69.00
- item condition:
- New
- Used
- New – Open box
- options: ship-to-home
- availability: in stock
- best offers: true
- sold #: 22
- in stock #: 5
- started: march 16, 2025
payments faclighting:
- credit card: visa
- other
- wallet: google-pay
seller faclighting:
- city: roanoke, virginia
- rating: 100.0%
- # reviews: 3721
Grouped With:
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- TC11200350-11C: LIGHTING DRIVER, Fulham
- T1M1UNV140P-50L: DRIVER, Fulham Thoroled
- WH5-277-L: HO BALLAST, Fulham
- HH-IB-UNV-TCP80: HORSE BALLAST BOX, Fulham
- WH2-120-L: BALLAST, Fulham
- WH5-120-L: BALLAST, Fulham
- WH2-277-C: BALLAST, Fulham
- WH7-277-L: BALLAST, Fulham
- WH3-120-C: BALLAST, Fulham





