Carlo Gavazzi RGS1P60V92EA Single Phase Relays 1-pole panel mount SCR, Proportional control, Operating voltage (Ue): 410 - 660 Vac (1200 Vp), Rated current (Ie): 90 Aac, Input: 0 - 5 / 1 - 5 / 0 - 10 Vdc, External supply: 90 - 250 Vac, Built-in overvoltage protection