KM
Contactor
An electrically operated switching device commonly used for repeated switching duties.
SLD / Schematic
Symbols · EV K
EV charging contactor control
In plain English
What does EV charging contactor control mean?
A charging contactor control function commands the switching device in the charging power path.
A simple example
A charging controller can close the selected contactor only when the required operating conditions are satisfied.
What the drawings help you do
Draw the contactor coil command separately from the main contacts carrying charging power. If the design monitors contact position, show that feedback as another signal. This makes it clear that requesting a change and confirming the physical contact state are different parts of the control sequence.
- Coil
- The electrically operated part that actuates a contactor.
- Feedback contact
- A separate contact used to report an associated mechanism’s condition.
Before using this reference
- Identify the coil or actuator interface.
- Distinguish main contacts from auxiliary feedback contacts.
- Reference the selected charging sequence and interlocks.
Does an ON command prove the contacts closed?
No. A command expresses the requested state. Any confirmation depends on the actual feedback arrangement and the checks implemented by the charging system.
Read the source: AC electric vehicle charging architecture
Schematic · EV K
A distinction that matters
A control command does not itself verify that the contactor contacts reached the requested state.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
AC electric vehicle charging architecture
AC electric vehicle charging architecture: public technical context for the named function. Product and compliance details remain with the publisher.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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