... Ri < ±10 %Power Contact ....................................230 V, 23 A, 15 Min. ..................................................................................(Ri-Rf) / Ri < ±10 %Overvoltage Withstand ... 10 %Failure Mode ......................................600 V, RL=0, 60 Min, 1 Time ....................................................................(MZ2B-50R/MZ2B-40R)Ri = R ...