Product Description
BY2 series surge protective device (protector in short) is applied in A.C 50/60 Hz, <=380V in the following electric power system, such as TT, IT, TN-S, TN-C and TN-C-S, applied in the equipotential connection of the joint of LPZ0A and LPZ1 or LPZ0B and LPZ1, which protects the electric net shocked by the thunder or surge over voltage. This protector also can be connected with voltage limitation type SPD to combine “3+1”, used in the TT system. And it’s not applied in the system overdue short circuit current over rated breaking continuous value.