Inst maint wiring5qxd 20112015 1137 am page 6. These diagrams apply to intelligent control motorsthat are fitted to the following products pgs ocdeec.
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Motor control wiring diagram pdf. Typical starter wiring diagram three phase. Control circuit devices and switching elements. Contactors and motor starters including short circuit and overload protection devices. It shows the components of the circuit as simplified shapes and the facility and signal associates with the devices. Ic1 2 ocdeecvglgl gamma ec d 5253 diags. M a1 a2 m.
These diagrams are current at the time of publication check the wiring diagram supplied with the motor. Many smaller motors use the same size. Ancillary equipment such as terminal blocks used to connect copper conductors. Refer to the motor manufacturers data on the motor for wiring diagrams on standard frame ex e ex d etc. Basic wiring for motor control technical data. Special control circuits75 76 multispeed motor connections76 77 1 phase76 3 phase76 77 programmable lighting controllers78 class 886578 ac lighting contactors79 81 class 890379 81 load connections79 control circuit connections80 panelboard type wiring81.
Imagine trying to wire a pushbutton station for a 100a motor using 3 awg conductors. Wiring diagrams show the connections to the controller. Gamma ec d 5051 diags. A wiring diagram gives the necessary information for actually wiring up a group of control devices or for. These diagrams are current at the time of publication check the wiring diagram supplied with the motor. Motor control circuits motor control circuits are an effective way to reduce cost by using smaller wire and reduced amperage devices to control a motor.
In this publication the line diagrams show the control circuits only power circuits are omitted for clarity since they can be traced readily on the wiring diagrams heavy lines. Wiring diagrams sometimes called main or construction diagrams show the actual connection points for the wires to the components and terminals of the controller. The control circuit is separate from the motor circuit. If the volt ages are different it is called separate control. Motor control wiring diagram pdf wiring diagram is a simplified usual pictorial representation of an electrical circuit. The control circuit may not be at the same voltage as the power circuit.
Multiple function equipment such as that used for automatic emergency power switching. When the voltage of the control and power circuits is the same it is referred to as common control.
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