Top Notch High Low Voltage Motor Wiring
An assumption people often make is that since low voltage increases the amperage draw on motors then high voltage must reduce the amperage draw and heating of the motor.
High low voltage motor wiring. Locate the wiring diagram for your motor on the faceplate or inside of the cover you have removed. 480 volt motor wiring data national electric manufacturers association nema amps starter size hmcp size overload phase wires gnd and conduit size. Depending on the voltage you have measured in the first step you should select the appropriate diagram.
Motor connection diagrams installation instructions 2000 01 created date. Do note that wiring the motor to a different voltage than what it is rated for may result in permanent damage. That brought in a separate feed and a single outdoor metal clad switchgear unit for a single motor just to avoid the voltage sag issues a low voltage motor would introduce into an existing system.
Low voltage see motor nameplate high voltage see motor nameplate connection dt79 diagram l1 l2 l3 u2 v2 w2 t6 t1 t2 t3 t4 t5 u1 v1 w1 t7 t8 t9 1093 9p000004 sew eurodrive inc. High voltage on a motor tends to push the magnetic portion of the motor into saturation. One will be for low voltage and another for high voltage connections.
This causes the motor to draw excessive current in an effort to magnetize the iron beyond the point where magnetizing is practical. You would wire it high voltage if you were supplying 460v. And note that a lot of motors have a low voltage range of 208 230v.
High voltage motor wiring diagram to control high voltage or high power we will turn on a 12v motor using a relay. Usa u5 v5 w5 l1 l2 l3 u2 v2 w2 t6 t1 t2 t3 t4 t5 u1 v1 w1 t7 t8 t9 u5 v5 w5 motor connection diagrams uscs 0100. As in if you have a 230460v motor the high voltage connection is for 460v incoming service.
Connect motor leads 9 and 6 together. Make the connections for high voltage 460 volt wiring. Collection of marathon electric motor wiring diagram.