Operate local or distant control knob, observe the indicator of VCB off and on, while the VCB operation turn one circle, operation counter will add to one count self-motion.
英
美
- 操作就地或远方控制按钮,观察开关分合闸状态指示器,断路器每操作一个循环,操作次数计数器就自动加1。