LH-BO (27 width) series surge protector (hereinafter referred to as SPD) is suitable for IT, TT, TN and other power supply systems of low-voltage AC distribution systems to protect indirect lightning, direct lightning or other instantaneous overvoltage surges.
Second- and third-level surge protectors and Class II test surge protectors based on the IEC61643-1 standard. SPD has common mode (MC) and differential mode (MD) protection methods.
The products comply with standards such as GB/T 18802.11 and IEC61643-1.