Carlo Gavazzi RGC3P60AA30E Solid State Relays 3-pole DIN-rail mount SCR, Proportional control (Phase angle), Operating voltage (Ue): 180 - 660 Vac (1200 Vp), Rated current (Ie): 30 Aac, Input: 4 - 20 mADC, Built-in overvoltage protection