Carlo Gavazzi RZ3A60A75P Three Phase Relays 3-pole panel mount SSR, Zero-cross switching with over-temperature protection, Operating voltage (Ue): 42 - 660 Vac (1600 Vp), Rated current (Ie): 75 Aac, Control voltage (Uc): 24 - 275 Vac / 24 - 50 Vdc, Built-in overvoltage protection