Carlo Gavazzi RGC2A60D40GGEDM Solid State Relays 2-pole DIN-rail mount SSR, Zero-cross switching with monitoring, Operating voltage (Ue): 90 - 660 Vac (1200 Vp), Rated current (Ie): 40 Aac, Control voltage (Uc): 5 - 32 Vdc, External supply: 24 Vdc/Vac, Built-in overvoltage protection