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Trade of Electrician Motor Control COURSE NOTES - eCollege

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FAS Electrical Course Notes – Module 2.4.2<br />

<strong>Control</strong> Circuit<br />

The control circuit shows all the components or parts <strong>of</strong> components required to control the<br />

motor. These components are basically the same regardless <strong>of</strong> the power rating <strong>of</strong> the motor in<br />

question.<br />

Note When wiring circuits, the supply should be fed in on the low number terminal and out<br />

on the high number terminal. See figure 41.<br />

L1<br />

Reset Button<br />

Blue<br />

Stop Button<br />

Red<br />

Start Button<br />

Green<br />

N<br />

R<br />

O<br />

I<br />

F1<br />

S1<br />

S2<br />

KM1<br />

F0<br />

1<br />

2<br />

95<br />

96<br />

1<br />

2<br />

3 13<br />

KM1<br />

4 14<br />

A1<br />

A2<br />

Figure 41<br />

35<br />

<strong>Control</strong> Circuit<br />

Fuse / MCB<br />

Auxiliary Contact<br />

<strong>of</strong> Overload Relay<br />

Hold On<br />

Contact<br />

Insulated<br />

Mechanical<br />

Link<br />

Contactor<br />

Coil 230 V<br />

Revision 4. Feb 2009

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