FU
Fuse
An overcurrent protective element that interrupts a circuit by melting its fuse link.
SLD / Schematic
Symbols · FUSE SW
Fuse-switch
A fuse-switch uses a fuse-link or fuse carrier as part of its moving switching contact system.
SLD / Schematic · FUSE SW
What it represents
A fuse-switch uses a fuse-link or fuse carrier as part of its moving switching contact system. The equipment designation must identify the actual assembly rather than treating every fused switch as mechanically identical.
How to read it
- Read the manufacturer's construction and operating instructions to establish the switching mechanism.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.
Information to show or reference
- Identify assembly type
- Name compatible fuse links
- Show operating handle reference
A distinction that matters
Fuse-switch describes the moving contact construction; a fused switch is a broader functional description.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
AutoCAD Electrical: Fuse switches
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
Elementary switching devices
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
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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