Carlo Gavazzi RKD2A23D50C Solid State Relays 2-pole panel mount SSR, Zero-cross switching, dual control, Operating voltage (Ue): 24 - 265 Vac (600 Vp), Rated current (Ie): 50 Aac, Control voltage (Uc): 4 - 32 Vdc, Built-in overvoltage protection, Certified (EN60335-1)