Eclipse Engineering Guide
Eclipse Engineering Guide
Eclipse Engineering Guide
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ELECTRICAL SYMBOLS (Cont’d)<br />
Description Symbol Description Symbol Description Symbol<br />
Switch, Limit<br />
— N.O.<br />
— Held Closed<br />
— N.C.<br />
— Held Open<br />
— Neutral<br />
Position,<br />
— Neutral<br />
Position,<br />
Actuated<br />
Switch, Liquid<br />
Level<br />
— N.O.<br />
— N.C.<br />
NP<br />
NP<br />
LS<br />
LS<br />
LS<br />
LS<br />
LS<br />
LS<br />
FS<br />
FS<br />
Switch, Selector<br />
— 2 Position<br />
— 3 Position<br />
Switch,<br />
Temperature<br />
— N.O.<br />
— N.C.<br />
Switch,<br />
Toggle<br />
63<br />
SS<br />
1 2<br />
1<br />
SS<br />
2<br />
TAS<br />
TAS<br />
TGS<br />
3<br />
Switch, Vacuum<br />
or Pressure<br />
— N.O.<br />
— N.C.<br />
Thermal Overload<br />
Element<br />
— Overload (OL)<br />
— Instantaneous<br />
Overload (IOL)<br />
Thermocouple<br />
PS<br />
PS<br />
OL<br />
IOL<br />
T/C