PSM1-20/230 IR
Surge Protection Device, Type 2+3, 1 pole, 1 phase, 20kA(8/20),230V with Remote Indication
PSM1-40/230 IR
Surge Protection Device, Type 2, 1 pole, 1 phase, 40kA(8/20),230V with Remote Indication
PSM4-40/400 SG
Surge Protection Device, Type 2, 4 poles, 3 phase WYE, 40kA(8/20), 230V, with grounding monitoring system.