NC EARLY
Early-break normally-closed contact
An early-break NC contact opens earlier in a documented mechanical sequence than associated contacts.
Schematic
IEEE / ANSI · NC EARLY
ANSI/IEEE early-break normally-closed contact symbol
IEEE-oriented graphical reference for early-break normally-closed contact, with public vendor evidence and drawing-reading notes.
IEEE / ANSI · Autodesk IEEE-oriented Relays and Contacts functional form
Autodesk explicitly publishes this block under IEEE Symbol Preview. The counterpart is the matching functional concept; no equivalence of every detailed standard graphic is asserted.
Shown as an independently authored educational illustration. Use the cited publication and drawing legend to verify the required drafting form.
Schematic · NC EARLY
What it represents
The anticipated NC contact form identifies opening earlier in a documented mechanism sequence. That order matters only relative to associated contacts and their common operator, which should remain linked across sheets.
This is a convention-specific lookup based on the publisher's IEEE-labelled preview. The geometry here is independently drawn to explain the connection or operation; it is not a certified reproduction of the standard graphic.
How to read it
- Trace which path is interrupted before the other contacts move.
- Read the selected library and the project legend together. A vendor block identifier is meaningful within its named library and is not a universal standard-symbol code.
Information to show or reference
- Link common device
- Label early opening
- Reference comparison contacts
A distinction that matters
Early break is an operating sequence, not an overcurrent protection pickup characteristic.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Autodesk IEEE Symbol Preview — Relays and Contacts
Exact public IEEE-oriented category page verifying the component name and vendor block identifier.
IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams
Graphic-symbol standards context and official status; not a source of reproduced artwork.
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.
Explore related references
Put the reference into a drawing workflow.
Elora Grid helps electrical teams work with drawings, specifications and equipment information. Explore the drafting workflow or join the early-access waitlist.