We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

FULHAM Fluorescent Ballast: 277V AC, 1/2/3/4 Lamps Supported - Instant Start Electronic Fluorescent Ballasts
FULHAMInstant Start Electronic Fluorescent Ballasts

FULHAM Fluorescent Ballast: 277V AC, 1/2/3/4 Lamps Supported

The FULHAM Fluorescent Ballast (MPN WH5-277-L) is an instant start electronic ballast for fluorescent lamps, operating at 277V AC. It supports (2) FC12T5 lamps and has an overall length of 9 1/2 inches. This product…

SKU 3G-OTH-416404

Also listed as: WH5277L · WH5 277 L

Brand
FULHAM
Item
Fluorescent Ballast: 277V AC, 1/2/3/4 Lamps Supported
Category
Instant Start Electronic Fluorescent Ballasts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FULHAM
Manufacturer Part Number
WH5-277-L
Overall Lg
9 1/2 in
Lamps Supported
1/2/3/4

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

FULHAM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FULHAM Fluorescent Ballast (MPN WH5-277-L) is an instant start electronic ballast for fluorescent lamps, operating at 277V AC. It supports (2) FC12T5 lamps and has an overall length of 9 1/2 inches. This product is designed for use with 3 lamps as indicated by the specification value of 3.

Frequently Asked Questions

What is the FULHAM WH5-277-L fluorescent ballast used for?

The FULHAM WH5-277-L is an instant start electronic ballast designed to operate fluorescent lamps, specifically supporting (2) FC12T5 lamps at 277V AC. It is commonly used in commercial and industrial lighting fixtures where reliable, energy-efficient lamp operation is required.

What are the specifications of the FULHAM WH5-277-L ballast?

The FULHAM WH5-277-L ballast operates at 277V AC, supports 1/2/3/4 lamps, and is configured for (2) FC12T5 lamps. It has an overall length of 9 1/2 inches and is an instant start electronic type. The manufacturer part number is WH5-277-L.

Where to buy the FULHAM WH5-277-L ballast worldwide?

3G Electric supplies the FULHAM WH5-277-L ballast to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this instant start electronic ballast.

How to install the FULHAM WH5-277-L fluorescent ballast?

Installation of the FULHAM WH5-277-L ballast should follow standard fluorescent ballast practices: disconnect power, match wiring to the lamp configuration (supporting up to 4 lamps), and ensure proper grounding. Always refer to the manufacturer's wiring diagram for the specific (2) FC12T5 lamp setup.

Used in

Common applications for FULHAM
Warehouse lighting — FULHAM programmed rapid start ballasts (e.g., RHA-UNV-254-LT5) for T5HO fixtures in high-bay applications
Office building emergency egress — FULHAM LED emergency drivers (e.g., FHSKITT04LNC) for linear LED retrofit kits in exit pathways
Parking structure lighting — FULHAM instant start ballasts (e.g., WH6-277-L) for multi-lamp fluorescent fixtures in covered garages
Retail display lighting — FULHAM CFL ballasts (e.g., RHA-UNV-226-C) for compact fluorescent lamps in track or recessed fixtures
Industrial facility emergency backup — FULHAM H-configuration emergency drivers (e.g., FHSKITT08LHF) for high-lumen LED arrays in manufacturing areas
School or hospital lighting — FULHAM universal ballasts (e.g., IH2-UNV-270-T8) for T8 lamps in troffer fixtures

FULHAM Products

3G Electric supplies FULHAM instant start electronic fluorescent ballasts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 6 1/2 in Overall Lg, 1 1/2 in Overall Wd (MPN WH3-277-L)
FULHAM
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 6 1/2 in Overall Lg, 1 1/2 in Overall Wd (MPN WH3-277-L)
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4 Lamps Supported, 8 1/2 in Overall Lg, Electronic (MPN WH5-120-L)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4 Lamps Supported, 8 1/2 in Overall Lg, Electronic (MPN WH5-120-L)
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 3 3/8 in Overall Lg, 1 3/4 in Overall Wd (MPN WH2-277-C)
FULHAM
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 3 3/8 in Overall Lg, 1 3/4 in Overall Wd (MPN WH2-277-C)
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 5 1/2 in Overall Lg, 1 in Overall Wd (MPN WH2-277-L)
FULHAM
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 5 1/2 in Overall Lg, 1 in Overall Wd (MPN WH2-277-L)
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 3 7/8 in Overall Lg, 1 1/2 in Overall Wd (MPN WH3-120-C)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 3 7/8 in Overall Lg, 1 1/2 in Overall Wd (MPN WH3-120-C)
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 6 1/2 in Overall Lg, 1 1/2 in Overall Wd (MPN WH3-120-L)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 6 1/2 in Overall Lg, 1 1/2 in Overall Wd (MPN WH3-120-L)

More from FULHAM

View all FULHAM parts
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 3 7/8 in Overall Lg, 2 1/2 in Overall Wd (MPN WH3-277-C)
FULHAM
FULHAM Fluorescent Ballast: 277V AC, 1/2 Lamps Supported, 3 7/8 in Overall Lg, 2 1/2 in Overall Wd (MPN WH3-277-C)
FULHAM Fluorescent Ballast: 277V AC, 1/2/3/4 Lamps Supported, 9 1/2 in Overall Lg, Electronic (MPN WH6-277-L)
FULHAM
FULHAM Fluorescent Ballast: 277V AC, 1/2/3/4 Lamps Supported, 9 1/2 in Overall Lg, Electronic (MPN WH6-277-L)
FULHAM
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 6 1/2 in Overall Lg, 1 1/2 in Overall Wd (MPN WH4-120-L)
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4/5/6 Lamps Supported, 19 1/4 in Overall Lg (MPN WH8-120-L)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4/5/6 Lamps Supported, 19 1/4 in Overall Lg (MPN WH8-120-L)
FULHAM Fluorescent Ballast: 120V AC, 1 Lamps Supported, 6 in Overall Lg, 1 in Overall Wd (MPN WH1-120-L)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1 Lamps Supported, 6 in Overall Lg, 1 in Overall Wd (MPN WH1-120-L)
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 3 3/8 in Overall Lg, 1 3/4 in Overall Wd (MPN WH22-120-C)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2 Lamps Supported, 3 3/8 in Overall Lg, 1 3/4 in Overall Wd (MPN WH22-120-C)
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4 Lamps Supported, 19 1/4 in Overall Lg (MPN WH7-120-L)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4 Lamps Supported, 19 1/4 in Overall Lg (MPN WH7-120-L)
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4 Lamps Supported, 6 1/2 in Overall Lg (MPN WH33-120-L)
FULHAM
FULHAM Fluorescent Ballast: 120V AC, 1/2/3/4 Lamps Supported, 6 1/2 in Overall Lg (MPN WH33-120-L)