Carlo Gavazzi RGS1A60D50KEM Single Phase Relays 1-pole panel mount SSR, E-layout, Zero-cross switching with monitoring, Operating voltage (Ue): 150 - 660 Vac (1200 Vp), Rated current (Ie): 50 Aac, Control voltage (Uc): 4 - 32 Vdc, External supply: 24 Vdc, Built-in overvoltage protection