Carlo Gavazzi RF1A23M25 Solid State Relays 1-pole panel mount SSR, Zero-cross switching, Operating voltage (Ue): 24 - 280 Vac (600 Vp), Rated current (Ie): 25 Aac, Control voltage (Uc): 9 - 18 Vdc, Built-in overvoltage protection, Certified (EN60335-1), Packed x10