IOTA I32 Emergency Ballast – Reduced Profile

The IOTA I32 is a UL Listed reduced-profile emergency ballast designed to operate one 2–4 ft. fluorescent lamp (T8–T12 or 28W T5) during power loss. It delivers up to 500 lumens for 90 minutes and is ideal for tight ballast compartments and enclosed fixtures. With universal voltage, recyclable Ni-Cad battery, and built-in protection features, the I32 is reliable, energy-efficient, and plenum rated.

Key Features

• Operates one 2′–4′ T8, T9, T12 or 28W T5 lamp
• Initial output: up to 500 lumens
• Emergency runtime: 90 minutes
• Dual voltage input: 120/277V, 60Hz
• Ni-Cad battery with 24-hour recharge, 7–10 year life
• Includes test switch and charge indicator kit
• Low-profile galvanized steel case for tight fixtures
• Open circuit isolation when load is absent
• Compatible with switched or unswitched fixtures
• Rated for plenum, enclosed and gasketed applications
• 5-Year Warranty

Technical Specifications

• Model: I32
• Input Voltage: 120/277VAC, 60Hz
• Input Power: 2.5 Watts
• Output: 1 lamp, up to 500 lumens
• Emergency Duration: 90 minutes
• Operating Temperature: 0°C to 50°C
• Battery: Ni-Cad (24-hour recharge; 7–10 year life)
• Case Material: Galvanized steel
• Case Dimensions: 9.5" × 2.0" × 1.0"
• Mounting Center: 9.0"
• Weight: 1.5 lbs
• Remote Mounting: Contact IOTA for allowable distance

Lamp Compatibility (Initial Lumen Output)

• F17 T8 – 450 lm
• F28 T8 – 460 lm
• F32 T8 – 475 lm
• 28W T5 – 500 lm
• F15 T12 – 375 lm
• F20 T12 – 425 lm
• F40 T12 – 450 lm
• 40W Long Compact – 450 lm
• 40W Circline – 450 lm

Certifications & Compliance

• UL and CUL Listed
• RoHS Compliant
• NEC, IBC, and NFPA 101 Life Safety Code compliant
• Rated for use in plenum, enclosed and gasketed fixtures
• Time Delay for End-of-Lamp-Life circuit compatibility