Carlo Gavazzi RGC1A60CM42GEN SSR 1-pole DIN-rail mount SSR, Zero-cross switching via bus interface (NRG), Real-time data (A, V, W, Hz, kWh, Hrs) and monitoring, Operating voltage (Ue): 42 - 660 Vac (1200 Vp), Rated current (Ie): 43 Aac, Built-in overvoltage protection