SAF- _D系列等电位连接器正常情况下，地极被分离;雷击来临时系统中个独立相绝缘的部分实现等电位连接，有效防止地电位反击损坏设备和保护设备安全作用。

SAF-D series Under normal circumstances, the earth pole is separated; When lightning strikes, the independent phase insulation part of the system realizes the equipotential connection, which effectively prevents the ground potential from damaging the equipment and protects the safety of the equipment.