Preheating Start
This ballast use preheating start for smooth, stable lamp ignition. This reduces electrode wear, minimizes lamp blackening, and extends lamp life, making it ideal for frequent on-off applications like UV disinfection, curing, and industrial processes.

Lamp Status Indication Function
This ballast feature clear lamp status indication for easy monitoring. A green LED shows normal operation, while a flashing red LED with buzzer alarm alerts users to faults. 

Dimmable function
Featuring 0–5V dimming，DC5V Standby Power, this ballast allows precise UV intensity control for optimal process efficiency. Compatible with standard controllers, it helps save energy, extend lamp life, and adapt to varied application needs. 

Dual-Lamp Driver
Designed for high-output lamps, this ballast can drive two 155W lamps simultaneously, enabling compact and efficient system integration.

Main application
Charmsstone ultraviolet electronic ballasts are ideal for light cleaning, UV curing, exhaust fume treatment, and secondary water supply systems etc.