HO Sign Ballast

Keystone SmartWire Sign ballast wires exactly the same as traditional magnetic ballasts for seamless compatibility and installation.
Features and Benefits
- Wires exactly the same as traditional magnetic ballasts for seamless compatibility and installation.
- Lightweight: Weighs up to 50% less than heavy magnetic ballasts, providing easier transportation and installation.
- Enhanced Energy Efficiency: Delivers up to 15% savings over magnetic sign ballasts.
- Reduced Inventory: 15 magnetic sign ballast SKUs are replaced by 3 SmartWire electronic sign ballast SKUs for drastically reduced inventory.
- Versatility: Operates both T8HO and T12HO lamps.
- Cold Weather Performance: Solid-state technology enables excellent lamp starting performance in cold temperatures. Minimum Starting Temperature of -30℃/-20℉
- 120-277V Input Voltage; 50/60Hz; Series Wiring
Parallel Wire
Features and Benefits
- Multivolt Input: 120-277V prevents input voltage errors at the job site.
- Parallel wiring: Ensure the sign remains lit even when a single lamp fails.
- Versatility: Operates both T8HO and T12HO lamps.
- Optimal Energy Efficiency: the most efficient sign ballasts on the market.
- Cold Weather Performance: Solid-state technology enables excellent lamp starting performance in cold temperatures. Minimum Starting Temperature of -30℃/-20℉
- 50/60Hz