Skip to content

HomeProduct ManualsElectrical Connections

SA403 220VAC 3 Point Floating

SA403 uses a 220V AC, four-wire connection for three-point or floating-point control. The actuator has clockwise (CW) and counter-clockwise (CCW) control inputs: one opens the valve and the other closes it. With neither input powered, the actuator stays in its last position.

Wiring Diagram

SA403 220V AC floating-point circuit: black neutral, red close input, green open input and ground wire to earth — SA403 — 220V AC, four-wire floating-point control.

Wire Connections

Disconnect power before making or changing connections.

Connect the black wire to 220V AC neutral.
Connect the red wire to 220V AC phase to close the valve.
Connect the green wire to 220V AC phase to open the valve.
Connect the ground wire to the power source's ground/earth.

Important: Do not apply phase to the red and green wires simultaneously. Doing so will damage the actuator.