Surge arrester PV 2P (T2 DC) 1000VDC BY7-40/2-1000 87.745

Overvoltage limiter BY7-40, catalog number 87.745. Its main task is to protect photovoltaic installations, it protects PV modules against switching overvoltages and lightning strikes. The limiter is adapted for mounting on a TH35 rail, it is 36 mm wide (size of two 18mm modules). The main technical parameters confirmed by the CE declaration are: Imax: 40kA, In: 20kA, Uc: 1000VDC, Up: 4kV.