Coil
Relay coil
The operating element associated with a relay and its separately drawn contacts.
Schematic
IEC · HSV22
Solenoid-valve NC auxiliary contact
This form identifies a normally-closed auxiliary contact associated with a solenoid valve.
IEC · Solenoid-valve NC auxiliary contact
Autodesk IEC-60617 Symbol Preview — Solenoid actuator and feedback forms; vendor family reference, not certified IEC geometry or database identifier.
Shown as an independently authored educational illustration. Use the cited publication and drawing legend to verify the required drafting form.
Schematic · HSV22
What it represents
This form identifies a normally-closed auxiliary contact associated with a solenoid valve.
State the reference condition used to describe the contact as normally closed.
A contact normal state and the process valve normal state are separate descriptions.
How to read it
- State the reference condition used to describe the contact as normally closed.
- A contact normal state and the process valve normal state are separate descriptions.
Information to show or reference
- Identify the associated device, circuit or diagram boundary.
- State the reference condition used to describe the contact as normally closed.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.
A distinction that matters
A contact normal state and the process valve normal state are separate descriptions.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Autodesk IEC-60617 preview: Solenoid actuator and feedback forms
Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content.
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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