YBK-C(SPD) series surge protectorDetailed product description：

YBK-C (SPD) series surge protectors are used for power supply systems such as TT, IT, TN-S, TN-C-S, etc. with AC 50/60Hz, 230/400V and below. Can be used as an equipotential connection during lightning strikes. Used to protect low-voltage electrical appliances from surge currents caused by atmospheric discharge (such as lightning) or switching processes. As a single voltage limiting device, it has a heavy-duty zinc oxide varistor.