Operational Unit Based Upon a Characteristic Quantity Symbols
Operational unit symbols, refer to the comparison between two or more values of a characteristic quantity, such as voltage, electric current, frequency, temperature, pressure, etc.
| Symbol | Description | Symbol | Description | |
|---|---|---|---|---|
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Higher than... |  |
Lower than... | |
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Higher or lower than... |  |
Equals... | |
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Equal to zero |  |
Close to zero | |
Examples of Devices with Operating Dependency |
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Overcurrent release |  |
Defective voltaje actuated relay | |
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Low power relay |  |
Blocked rotor relay | |
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Relay of maximum and minimum current |  |
Excess counter | |
Download symbols |
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