Carlo Gavazzi RGC3A60D20KKE Solid State Relays 3-pole DIN-rail mount SSR, Zero-cross switching, Operating voltage (Ue): 42 - 660 Vac (1200 Vp), Rated current (Ie): 20 Aac, Control voltage (Uc): 5 - 32 Vdc, Built-in overvoltage protection