IOTA ISL54 Emergency Ballast – Slim Profile Fluorescent

The IOTA ISL54 is a UL Listed slim-profile emergency ballast designed for linear T5, T6, and T8 fluorescent lamps, including HO and 4-pin long compact lamps. It operates one lamp for 90 minutes in emergency mode, providing up to 825 lumens of initial light output. The ISL54 is ideal for linear fixtures with limited ballast space and is compatible with both switched and unswitched applications.

Key Features

• Operates one lamp: 14W–54W T5, 17W–30W T6, or 36W–55W long CFLs
• Initial output up to 825 lumens
• Emergency operation: 90 minutes
• Dual voltage: 120/277VAC, 60Hz
• Slim galvanized steel housing – only 1.18" wide
• Test switch and LED charging indicator included
• AC output for LED tube and amalgam lamp compatibility
• Open Circuit Isolation and Time Delay features
• For use in damp, plenum, enclosed, and gasketed fixtures
• 5-year warranty

Technical Specifications

• Model: ISL54
• Input Voltage: 120/277VAC (dual), 60Hz
• Input Power: 2.5 Watts
• Initial Illumination: 825 lumens (1 lamp)
• Battery: 24-hour recharge, 7–10 year life, Ni-Cad
• Runtime: 90 minutes
• Operating Temp: 0°C to 50°C (32°F to 122°F)
• Dimensions: 17.5″ × 1.18″ × 1.15″
• Mounting Center: 17.0″
• Weight: 2.4 lbs

Lamp Compatibility (Sample Output)

• 14W T5 – 450 lm
• 28W T5 – 800 lm
• 54W T5 – 825 lm
• F32 T8 – 700 lm
• F40 T8 – 600 lm
• 36W–55W Long Compact CFL – 650–675 lm
• Compatible with select LED retrofit tubes

Certifications & Compliance

• UL and CUL Listed
• Complies with NEC, IBC, and NFPA 101 Emergency Codes
• RoHS Compliant
• Damp Location Rated
• Plenum, Enclosed, and Gasketed Fixture Rated