1. Automatic / manual operation.  
2. PC communication and software available. 
3. Programmable margin of target PF. 
4. With pf abnormal alarm indicator and contact.  
5. Over-compensation protected. 
6. Free ck ratio setting.  
7. Circular or weight sequence controls. 
8. Switch in and out time programmable.
1. Frequency 50/60hz auto-detecting. 
2. Built-in rs-485 interface.