ResourcesCommon electrical symbols (IEC 60617)
Thermal overload relay symbol (DWG block)
Thermal overload relay is a ready-to-use AutoCAD block named IEC_THERMAL_RELAY in the Common electrical symbols (IEC 60617), group “Power switching and protection”. It carries 7 attributes, 2 of them visible, so it works in equipment lists and BlockSync exports.
Block details
| Block name | IEC_THERMAL_RELAY |
|---|---|
| Library | Common electrical symbols (IEC 60617) |
| Group | Power switching and protection |
| Standard | IEC 60617 |
| Attributes | 7 attributes, 2 visible |
Attributes
Visible on the drawing: TAG, SETTING_A.
Hidden, they carry the data for schedules: CLASS, POLES, MANUFACTURER, PART_NO, 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
- Download the ZIP and unzip it. It holds one DWG with the block IEC_THERMAL_RELAY.
- Open the DWG and copy the block into your drawing, or insert it from the DWG with INSERT.
- Double-click a copy to fill in the tag and the other attributes.
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
- Thermal overload relay
- Simplified Chinese
- 热过载继电器
- Traditional Chinese
- 積熱電驛(過載電驛)
- Japanese
- サーマルリレー(熱動形過負荷継電器)
- Korean
- 열동 과부하 계전기
- German
- Thermisches Überlastrelais
- French
- Relais thermique
- Italian
- Relè termico di sovraccarico
- Spanish
- Relé térmico de sobrecarga












