Application & Scope
ZBU1 Surge Protector (hereinafter referred to as "protector") applies to AC 50/60Hz, 380V and below, support TN-S, TN-C, TN-CS, TT, IT and other power system, protection of electric grid due to lightning or surges generated by over-voltage problem.

Failure from the device
Protector module equipped with this device, When the protector due to overheating, breakdown failure, Devices will be automatically out of it from the electricity grid, while the instructions given in the signal. Protector shows normal signs of green, failure display signs of red.

Alarm
Alarms need to AC220V power supply, normal working hours protector light green, normally open contact closure, normally closed contacts disconnect. Sound and light alarm function: When the protection module failure, alarm will issue a beep sound, at the same time the green light during normal operation will become red. Maintenance personnel such as pressing the stop button, beep tone will be suspended (but the red light will continue to show), if after 24 hours still does not eliminate the failure, alarm will once again buzzing sound.

ZBU1-10 installation location and application
Installed in the LPZ1 or LPZ2 area and LPZ3 zone at the junction, grade Ⅲ Level of protection.
Apply to household distribution box, computer equipment, information equipment, electronic equipment and control equipment before or the nearest outlet box.