Emergency Ballast

Place of Origin:	Guangdong

YH-40R can supply power to emergency equipments such as emergency lights and exit signs, When there is a power supply failure, YH-40R must be used together with a normal fluorescent lamp. After YH-40R installed, the fluorescent lamp can be operated as a normal lamp. When normal power supply fails, YH-40R would supply power to the fluorescent lamp immediately no matter the switch is on or off.
houseing: Carbon steel
Light source: Fluorescent lamp(≤40W)
Power supply: AC220V ? 10% 50HZ ? 10%
Emergency time: ≥90minutes
Operating environment: -10℃ to +50℃
Batteries: Maintenance-free, sealed Ni-Cad chargeable battery group
Solid-state charger: The features of battery charging are timing, temperature compensation and constant current.
Self testing: In the situations of blowout or bad connection, battery open
circuit or short circuit, the yellow indicator shines.
Over discharge protection: When the voltage of the batteries decreases to
80% of rated voltage, electric switch shall cut the discharging circuit automatically to protect the batteries.
Push to test switch: Push to test switch and a LED AC indicator provide
simple means for manual test.