Description
Replacement Fluorescent Battery Back-up Ballast | 700lm Output | 90-Minute Backup | 120/277V Input
The Keystone KT-EMRG-700 /B (Newer version of the KT-EMRG-700) is a fluorescent emergency ballast designed to provide 700 lumens of emergency illumination for a minimum of 90 minutes during power failures. This unit is compatible with T5, T8, T12, Circline, U-Bend, and CFL fluorescent lamps, making it a versatile emergency lighting solution for commercial and industrial applications. It features a painted steel case, a 2-in-1 LED indicator light with a push-to-test switch, and Time Delay Technology to overcome end-of-life circuit protection in select lamps.
Features
- Output Lumen Rating: 700 lumens
- Input Voltage: 120/277V, 60Hz
- Battery Type: 3.6V Sealed NiCd (Maintenance-Free)
- Emergency Runtime: 90 minutes
- Recharge Time: 24 hours
- Test Switch: 2-in-1 LED indicator and push-to-test switch
- Mounting: Inside, top, or remote mounting (up to 50 feet max distance)
- Case Material: Painted Steel (White Finish)
- Certifications: UL 924, NFPA 101, NEC, OSHA Compliant
- Warranty: 5-Year Limited Warranty
Benefits
- Operates one lamp in emergency mode, ensuring compliance with life safety codes.
- Works with or without an AC ballast, supporting various fixture types.
- Automatically provides emergency illumination for 90 minutes when AC power fails.
- Compatible with multiple fluorescent lamp types, enhancing flexibility in installations.
- Time Delay Technology prevents premature shutdown due to end-of-life circuit protection.
Lamp Compatibility & Initial Lumen Output
Linear Fluorescent
- T5 (21W): 575 lm (1-lamp) | 650 lm (2-lamp)
- T5 (35W): 700 lm
- T8 (25W): 625 lm (1-lamp) | 700 lm (2-lamp)
- T12 (25W): 450 lm (1-lamp) | 500 lm (2-lamp)
Compact Fluorescent & U-Bend
- CFL G24Q-5 (57W): 675 lm
- CFL 2G11 (36W): 600 lm (1-lamp) | 700 lm (2-lamp)
- CFL GR10q-4 (28W): 550 lm (1-lamp) | 600 lm (2-lamp)
- U-Bend T8 (32W): 575 lm (1-lamp) | 675 lm (2-lamp)
- U-Bend T12 (34W): 550 lm (1-lamp) | 650 lm (2-lamp)
Applications
- Commercial emergency lighting – Ideal for office spaces, retail locations, and hotels.
- Industrial safety lighting – Ensures compliance in warehouses and production facilities.
- Educational and healthcare buildings – Emergency lighting for schools, hospitals, and public buildings.
- Multi-use exit and safety lighting – Provides backup for fluorescent-based emergency lighting systems.
Product Specifications
- Max. Output Power: 700 Lumens
- Input Voltage: 120–277V AC
- Battery Type: 3.6V NiCd (Maintenance-Free)
- Emergency Runtime: 90 minutes
- Recharge Time: 24 hours
- Surge Protection: Over-voltage, over-current, and short-circuit protection
- Operating Temperature: 0°C to 55°C (32°F to 131°F)
- Mounting: Inside, top, or remote (up to 50 feet max distance)
- Certifications: UL 924, NFPA 101, NEC, OSHA Compliant
- Warranty: 5-Year Limited Warranty
- Case Material: Painted Steel