Coil
Relay coil
The operating element associated with a relay and its separately drawn contacts.
Schematic
IEC · Q021208
Mechanical stop-latch indication
A stop-latch indication identifies a mechanically retained control position.
IEC · Mechanical stop-latch indication
Autodesk IEC-60617 Symbol Preview — Mechanical return and interlock qualifiers; 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 · Q021208
What it represents
A stop-latch indication identifies a mechanically retained control position. A stop latch mechanically retains a position until its specified release action occurs. The mechanism state can be maintained without an electrical holding coil remaining energised.
Identify the retained movement and the release/reset path. If position is reported electrically, cross-reference the feedback contact rather than assuming the latch indication supplies that signal.
How to read it
- Specify the release action and the controlled device relationship.
- A stop latch is distinct from a timer holding a circuit electrically.
Information to show or reference
- Identify the associated device, circuit or diagram boundary.
- Specify the release action and the controlled device relationship.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.
A distinction that matters
A stop latch is distinct from a timer holding a circuit electrically.
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: Mechanical return and interlock qualifiers
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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