Surge Protective Devices - Zinc-oxide Varistor, Iec61643-11/ii Compliance, Heat Trip Mechanism With Color Indicator For Overload Protection

Surge Protective Devices inside this series of surge protection device there is a zinc-oxide varistor that helps prevent the subsequent current, especially after the lightning current passes the protection device. This series of product meet with IEC61643-11/II and GB18802.1/II's II level categorized experiment and meet the requirements in GB50057-94 The Lightning Protection Criterion for Buildings. A sensitive heat tripping/deterioration device is placed inside the protection module, when the protection device gets damaged because of overload, the inbuilt tripper shall act in time to cut off the connection with the power supply, and at the same time the failure indicator's will change the color from green into red to remind you that the damaged part needs changing. To achieve overall protection for the electrical power wire net, an additional B level lightning surge protection device or a terminal equipment surge protection device should be applied.