HOT-SWAP
Hot-swap controller
Controls a power path during equipment insertion or power-up to manage the documented inrush sequence.
Schematic
Symbols · REV POL
Reverse-polarity protection controller
In plain English
What does Reverse-polarity protection controller mean?
A reverse-polarity protection controller manages a power path against a specified reversed connection condition.
A simple example
An input protection stage can prevent an incorrectly connected supply from reaching its load under the design conditions.
What the drawings help you do
Identify the input connector, controlled switching element and protected output. This function addresses a reversed supply connection under the selected design conditions. Reverse-polarity protection must be distinguished from preventing current flowing backwards between otherwise correctly connected supplies.
- Polarity
- The defined positive/negative orientation of an electrical connection.
- Pass element
- The switching component controlling the main power path.
Before using this reference
- Identify input polarity and the protected output.
- Show the actual controlled switching element.
- Reference reversed-input and reverse-current behaviour separately.
Is reverse polarity the same as reverse current?
No. Reverse polarity concerns an incorrectly oriented supply connection. Reverse current concerns current direction in a path. One design may address both, but the features must be confirmed separately.
Read the source: Power-path protection and selection
Schematic · REV POL
A distinction that matters
Reverse-polarity protection and reverse-current blocking are related but different requirements.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Power-path protection and selection
Power-path protection and selection: 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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