... ,40KA,60KA,80KA,100KA...... Chtent 2P Series Surge Protective Device(suited for 10KA,20KA,30KA,40KA,60KA,80KA,100KA......) ... Specification: WLDM 2P surge protective device SPD with rated working volrtage AC 50/60HZ, 220/380VApplication ... current resulted form the direct or indirect lighting strike or other instantaneous over voltage. Specification Type WLDM-AWLDM-BWLDM-CWLDM ...