On a 12 wire motor wired for high voltage ie 480v 10t 11t and 12t must be connected together but not connected to anything else. Three phase see below single voltage.
Typical Connection Diagrams Three Phase Motors Y Start
12 lead 480 volt motor wiring. Electric motor wire marking connections. Similar to the 12 leads star wye configuration the 12 leads delta configuration is also made available for dual voltage application. The motor will supply the same amount of power but with a different. It is designed to operate with a selection of wiring. 480 volt motor wiring diagram by. Typical wiring diagrams always use wiring diagram supplied on motor nameplate connection diagrams co4 460 12 leads part winding weg three phase motors 460 volts 12 lead part winding 12 10 11 645 789 12 3 l1 l2 12 10 11 64 5 78 9 12 l1 l2 12 10 11 64 5 789 123 l1 l2 starting type 460 volts across line starting type.
To avoid confusion obtain a pocket motor. For specific leeson motor connections go to their website and input the leeson catalog in the review box you will find connection data dimensions name plate data etc. The other 9 wires would be connected as in a 9 wire motor note in a 9 wire motor the equivalent of t10 t11 and t12 are internally connected together. Motor wiring diagram us. Three phase motors with 9 leads are nearly always dual voltage motors. 10 and 12 lead high wye available voltages iso standard 10 lead generators are identical to 12 lead generators with the exception that u6 v6 and w6 are permanently bonded together as n 480v connections shown in blue 416v connections shown in red u n v u2 v v v v w u6 u1 v1 v2 v5 v6 w1 w2 w6 w5 480v 416v u5 v v.
Again this type of connection will also have 12 wiring terminals directly accessible from the motors terminal box which serves for external wiring purpose. Instead connect motor lead 1 and 6 to l1 typically black motor lead 2 and 4 to l2 typically red and motor lead 3 and 5 to l3 typically blue. Time lapse of schematic diagram drawn into a wire diagram and the. This is a 12 lead motor not a 9 lead motor. There are six taps labeled 1 through 6. Electrical motors 12 lead dual voltage wye startdelta run both voltages or 6 lead single voltage wye startdelta run motors designed by us motors for wye start delta run may also be used for across the line starting using only the delta connection.
Saturday february 10 2018 edit. Motor straight 480v. Today i need help with connecting motor taps on a three phase 480 volt motor. I have a 20 hp hyundai dual voltage 240480 3 phase motor im wiring up. Connecting these is a bit more complicated and mistakes are actually common. Home 480 volt 12 lead motor wiring diagram 480 volt 3 phase motor wiring diagram 480 volt motor starter wiring diagram.
Always use wiring diagram supplied on motor nameplate. L1 to t1 l2 to t2 l3 to t3 t4 to t7 t5 to t8 and t6.
Gallery of 12 Lead 480 Volt Motor Wiring
