Replacement Emergency Lighting Ballast for BALLAST SHOP BS-FH3-DUAL-450L 120-277V Input - 450 Lumens 90 Min

Replacement for BALLAST SHOP BS-FH3-DUAL-450L emergency lighting ballast with 120-277V input. This unit delivers 450 initial lumens and provides 90 minutes of illumination when power is lost. Designed as a direct fit for existing fixtures, it restores full emergency functionality without requiring additional modifications or rewiring. The compact form factor allows easy integration into a wide range of commercial and industrial lighting systems that rely on fluorescent tubes for backup operation during outages.

Key Features & Benefits

• Operates from 120-277V input with 2.8W AC draw at 120V
• Supplies 450 initial lumens during emergency mode
• Maintains 90 minutes of illumination after power failure
• Uses 3.6Vdc battery rated at 14.4Wh with 280mA max charge current

Product Specifications

• Input voltage: 120-277V
• Initial lumens: 450
• Illumination duration: 90 minutes
• AC input power: 2.8W at 120V
• Maximum charging current: 280mA
• Battery: 3.6Vdc 14.4Wh
• Dimensions: 9.4" L x 2.4" W x 1.5" H
• Replaces OEM: FH3-DUAL-450L (Fulham); replaced by FH7-UNV-500L-CEC

Replacement Compatibility

Operates one F14T5, F21T5, F28T5, F25T8, F32T8, F40T8, F48T10VHO(110W), FT24W, FT36W, FT40W or CRT5 40W fluorescent lamp in emergency mode. This broad compatibility makes the unit suitable for retrofitting multiple fixture types across offices, warehouses, schools, and healthcare facilities. The ballast automatically detects power loss and switches to battery power, ensuring code-compliant egress lighting until utility service returns. Installation follows standard wiring practices already familiar to electrical contractors, minimizing downtime during replacement.

Discover the Perfect Replacement

Browse the full selection of replacement emergency lighting ballasts to match your existing fixture requirements and restore code-compliant operation. Selecting the correct model ensures consistent operation, maintains UL listing integrity, and avoids conflicts with local fire and safety inspections. Always verify lamp type and input voltage before ordering to guarantee seamless integration with your current emergency lighting layout. Additional details cover proper mounting locations inside fixture channels, testing procedures after installation, and routine battery maintenance schedules that extend overall service life. Facility managers appreciate the straightforward swap process that keeps buildings compliant with egress codes while reducing the need for full fixture replacements in many cases.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.