2 Speed Motor Control Wiring Diagram. They can be used as a guide when wiring the controller. Diagram dd6 diagram dd8 m 1 ln e diagram dd9 m 1 ln e white brown blue l1 l2 n s c bridge l1 and l2 if speed controller s c is not required diagram dd7 ln e l1 l2 n s c z2 u2 z1 u1 cap.
Diagram dd6 diagram dd8 m 1 ln e diagram dd9 m 1 ln e white brown blue l1 l2 n s c bridge l1 and l2 if speed controller s c is not required diagram dd7 ln e l1 l2 n s c z2 u2 z1 u1 cap. Figure 1 is a typical wiring diagram for a three phase magnetic motor starter. If you are working on two speed motor wiring you will need an ac power supply the two speed motor and a double pole double throw switch.
2 speeds 1 direction 3 phase motor power and control diagrams.
Ensure the power supply voltage frequency and current carrying ca pacity of wires is in accordance with the motor nameplate. Thermal contacts tb white m 1 z2 yellow aux z1 blue. Power and control circuit for 3 phase two speed motor. By connecting the proper wires to the high and low speed terminals on the motor and switch you can control how fast or slow it turns once powered up.
