CN1-D series surge protective devices are used for lightning and overvoltage protection
in AC50/60Hz, 230/400V. The product is with an internal nonserviceable separating
device. When the surge protective devices is overcurrent or overvoltage
and the puncture is nonsevice able, the nonserviceable separating device will automatically
separate from the protector from the electrical network. And simulaneously
the position display windw will turn red from green.
CN1-D series surge protective devices are used for lightning and overvoltage protection in AC50/60Hz