Electric Current Symbols
The electrical currents are movements of electric charges (electrons) through a conductor. The electrical current can be current driving or AC/DC convention. His unit is the ampere and is measured by the ammeter. Every electrical current produces an electric field.
| Symbol | Description | Symbol | Description | |
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Positive polarity + Info |
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Negative polarity | |
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Direct current, DC + Info |
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Direct current, DC | |
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Direct current, DC |  |
Alternate current, AC Low frequency AC + Info |
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Mixed current Rectified current + Info |
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Mixed current Rectified current |
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Universal equipment Operates with direct current and alternating current indifferently DC / AC |
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Medium frequency | |
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High frequency + Info |
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Converting DC to DC DC / DC Converter + Info |
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DC / AC Converter DC / AC - Power inverter inverter / undulator + Info |
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AC / AC Converter AC / AC + Info |
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AC / DC Converter AC / DC Rectifier + Info |
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Alternate current - AC e.g. frequency: 50Hz + Info |
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Neutral |  |
Three-phase current at a frequency of 50Hz + Info |
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Phases R/S/T or L1/L2/L3 + Info |
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Symbols of power convertersDownload symbols |
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