Motor Wiring Diagrams

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Motor Wiring Diagram 587-13816 Single Voltage, Delta Connected, With Current Transformers To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 587-18753 Single Voltage, Wye Connected, With Current Transformers To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 3226 Two Speed, One Winding, Constant Torque or Variable Torque, Single Voltage Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 3233 Two Speed, One Winding, Single Voltage, Constant Horsepower To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 3251 Two Speed, Two Winding, Single Voltage, Constant Torque, Variable Torque, or Constant Horsepower Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 11658 WYE Start - Delta Run, Single Voltage Motors or Dual Voltage Motors on Low Voltage Only Per NEMA MG1 1998-1.76, "A Wye Start, Delta Run motor is one arranged for starting by connecting to the supply with the primary winding initially connected in wye, then reconnected in delta for running condition." This is accomplished by a special Wye-Delta starter configuration using six leads from the motor and is intended to limit the inrush current required to start the motor. Motors designed by US Motors for Wye start, Delta Run may also be used for across the line starting using only the Delta connection. Damage will occur if the motor is operated with load for more than 30 seconds on the Wye without transition to Delta. To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 108323 6 Lead, Single Phase, Dual Voltage, Single Phase Type R or C Motor Lead Connections Connected for Counter - Clockwise Rotation To Reverse Rotation Interchange Leads 2 & 4

Motor Wiring Diagram 108324 4 Lead, Single Phase, Single Voltage, Single Phase Type R or C Motor Lead Connections, Connected for Counter - Clockwise Rotation To Reverse Rotation Interchange Leads 2 & 4

Motor Wiring Diagram B109144 9 Lead, Dual Voltage (WYE Conn.) To reverse direction of rotation interchange connections L1 and L2. Each lead may have one or more cables comprising that lead. In such case each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 130274 9 Lead, Dual Voltage, WYE Connection, Part Winding Start ( PWS ) on Low Voltage Per NEMA MG1 1998-1.75, "A Part-winding Start motor is one which certain specially designed circuits of each phase of the primary winding are initially connected to the supply line. The remaining circuit or circuits of each phase are connected to the supply in parallel with initially connected circuits, at a predetermined point in the starting operation." This is intended to limit the inrush, current required to start the motor. NEMA MG1 1998 14.38 states that the motor, may not accelerate to full speed in part-winding and may be noisier than when on full winding. Motors designed by US Motors for Part-winding Start also be used for across the line starting using only the full winding connection. Damage will occur if the motor is operated with load for more than 2 seconds on Partwinding without transition to full winding. To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 137033 12 Lead, Dual Voltage, WYE Start / DELTA Run, Both Voltages Per NEMA MG1 1998-1.76, "A Wye Start, Delta Run motor is one arranged for starting by connecting to the supply with the primary winding initially connected in wye, then reconnected in delta for running condition." This is accomplished by a special Wye-Delta starter configuration using six leads from the motor and is intended to limit the inrush current required to start the motor. Motors designed by US Motors for Wye start, Delta Run may also be used for across the line starting using only the Delta connection. Damage will occur if the motor is operated with load for more than 30 seconds on the Wye without transition to Delta. To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 159833 9 Lead, Dual Voltage, Delta Connection, Part Winding Start ( PWS ) on Low Voltage Per NEMA MG1 1998-1.75, "A Part-winding Start motor is one which certain specially designed circuits of each phase of the primary winding are initially connected to the supply line. The remaining circuit or circuits of each phase are connected to the supply in parallel with initially connected circuits, at a predetermined point in the starting operation." This is intended to limit the inrush current required to start the motor. NEMA MG1 199814.38 states that the motor may not accelerate to full speed in part-winding and may be noisier than when on full winding. Motors designed by US Motors for Part-winding Start also be used for across the line starting using only the full winding connection. Damage will occur if the motor is operated with load for more than 2 seconds on Partwinding without transition to full winding. To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 165975 Single Voltage, Wye or Delta Connection, Part Winding Start (PWS) or Full Winding - Across the Line Start Per NEMA MG1 1998-1.75, "A Part-winding Start motor is one which certain specially designed circuits of each phase of the primary winding are initially connected to the supply line. The remaining circuit or circuits of each phase are connected to the supply in parallel with initially connected circuits, at a predetermined point in the starting operation." This is intended to limit the inrush current required to start the motor. NEMA MG1 199814.38 states that the motor may not accelerate to full speed in part-winding and may be noisier than when on full winding. Motors designed by US Motors for Part-winding Start also be used for across the line starting using only the full winding connection. Damage will occur if the motor is operated with load for more than 2 seconds on Partwinding without transition to full winding. To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 195759 Single Voltage, Wye or Delta Connection, Part Winding Start ( PWS ) or Full Winding - Across the Line Start Per NEMA MG1 1998-1.75, "A Part-winding Start motor is one which certain specially designed circuits of each phase of the primary winding are initially connected to the supply line. The remaining circuit or circuits of each phase are connected to the supply in parallel with initially connected circuits, at a predetermined point in the starting operation." This is intended to limit the inrush current required to start the motor. NEMA MG1 199814.38 states that the motor may not accelerate to full speed in part-winding and may be noisier than when on full winding. Motors designed by US Motors for Part-winding Start also be used for across the line starting using only the full winding connection. Damage will occur if the motor is operated with load for more than 2 seconds on Partwinding without transition to full winding. To reverse direction of rotation, interchange leads L1 & L2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 0338210 B Winding RTD's QTY-6 6 LEAD RTD's 1. There are qty-6 dual elements, Resistance Temperature Detectors (RTD) installed in the stator winding, (2 per Phase). Refer to nameplate attached to the motor adjacent to accessory outlet box for rating of the RTD's. 2. Detectors are installed in phases as shown. (White)

Motor Wiring Diagram 356693 4-Lead, Single Phase, Single Voltage, Connected for CCW Rotation Facing End Opposite Drive Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number. Motor must be grounded (use green lead if supplied per the NEC)

Motor Wiring Diagram 387151 Two Speed, Two Winding, Single Voltage, 7 Lead (3 Lead High Speed, 4 Lead Low Speed), Constant Torque, Variable Torque, or Constant Horsepower To Reverse Direction Of Rotation, Interchange Leads 1 & 2. Each lead may have one or more cables comprising that lead. In such case, each cable will be marked with the appropriate lead number.

Motor Wiring Diagram 390880 12 Lead, Dual Voltage, WYE Connection, with Thermal Protector, (9 Motor Lead & 3 Protector Leads) To reverse direction of rotation interchange connections L1 and L2. Each lead may have one or more cables comprising that lead. In such case each cable will be marked with the appro