CADXChange

ResourcesPower system single-line symbols (IEC 60617)

Relay, overcurrent (50/51) symbol (DWG block)

Relay, overcurrent (50/51) is a ready-to-use AutoCAD block named PWR_R_5051 in the Power system single-line symbols (IEC 60617), group “Protection relays”. It carries 10 attributes, 2 of them visible, so it works in equipment lists and BlockSync exports.

Relay, overcurrent (50/51) symbol, block PWR_R_5051
Download this symbol (ZIP)

Download the whole library (178 symbols)

Block details

Block namePWR_R_5051
LibraryPower system single-line symbols (IEC 60617)
GroupProtection relays
StandardIEC 60617
Attributes10 attributes, 2 visible

Attributes

Visible on the drawing: TAG, FUNCTION.

Hidden, they carry the data for schedules: SETTING, TRIPS, CT_INPUT, VT_INPUT, MANUFACTURER, MODEL, REMARKS, DESC.

Export the attributes of every copy in a drawing to Excel with BlockSync, check them and write the corrections back in one run.

How to use it

  1. Download the ZIP and unzip it. It holds one DWG with the block PWR_R_5051.
  2. Open the DWG and copy the block into your drawing, or insert it from the DWG with INSERT.
  3. Double-click a copy to fill in the tag and the other attributes.

Used in sample drawings

The Relay, overcurrent (50/51) symbol is placed in these finished sample drawings, so you can see how it is used on a real sheet:

The symbol is our own drawing after the common form of IEC 60617, not a certified copy. The library page explains how the symbols relate to the standard.

Names in other languages

The same symbol under its name in the other site languages.

English
Relay, overcurrent (50/51)
Simplified Chinese
过电流继电器（50/51）
Traditional Chinese
電驛，過電流(50/51)
Japanese
過電流継電器(50/51)
Korean
계전기, 과전류(50/51)
German
Relais, Überstrom (50/51)
French
Relais à maximum de courant (50/51)
Italian
Relè di massima corrente (50/51)
Spanish
Relé de sobreintensidad (50/51)

More symbols in the group “Protection relays”