Rail Type Timer Relay POSEIDON 3-Phase voltage control rail mounted N510XR 3-Phase voltage control N510D Multifaction timer relay. N514 Timer relay 1-25sec. N505 Double timer relay. N520 230Vac voltage control relay N230D Electronic water level float relay N501-N502 Flow presence water relay control N302 Circilar engine switch E2 Supply voltage rail mounted 12Vdc N12VDC
