产品概述 Product Introduction




LY1 series Surge Protection Device (hereinafterreferred to as the SPD) is applicable for end equipmentprotection, such as the terminal distribution box, internalinformation front-end equipment, and power supply systemsof IT, TT, TN-C, TN-S, TN-C-S of low-voltage ac powerdistribution systems. It protects against the surge, whichis influenced by the indirect lightning and directly thunderor other transient voltage. According to the standard ofIEC61643-1:1998-02, it belongs to class II surge protectiondevice.

The SPD has common-mode (MC) and differential mode(MD) protections.

The SPD accords with681RR02.1 /IEC61643-1.