Electric Switch Mechanisms - Magnetrol International
Electric Switch Mechanisms - Magnetrol International
Electric Switch Mechanisms - Magnetrol International
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3.1.3 Single float with three switches or<br />
three stage displacer:<br />
1. Rising level closes contacts 5 & 6 and 2 & 3, see Figure 12.<br />
2. Falling level closes contacts 4 & 5 and 1 & 2.<br />
3. Unit is shipped with switches positioned for proper<br />
function. Do not change switch spacing.<br />
Upper stage operates<br />
upper switch mechanism<br />
Load<br />
Close on Low Level (NC)<br />
Common (C)<br />
Close on High Level (NO)<br />
Load<br />
Middle stage operates<br />
middle switch mechanism<br />
Load<br />
Close on Low Level (NC)<br />
Common (C)<br />
Close on High Level (NO)<br />
Load<br />
Lower stage operates<br />
lower switch mechanism<br />
Load<br />
Close on Low Level (NC)<br />
Common (C)<br />
Close on High Level (NO)<br />
Load<br />
10 42-683 <strong>Electric</strong> <strong>Switch</strong> <strong>Mechanisms</strong><br />
4<br />
5<br />
6<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
Assem.<br />
B<br />
Assem.<br />
A<br />
Assem.<br />
B<br />
Figure 12<br />
Single Float with Three <strong>Switch</strong>es<br />
or Three Stage Displacer<br />
Internal<br />
Circuit<br />
Internal<br />
Circuit<br />
Internal<br />
Circuit
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