ResourcesPower system single-line symbols (IEC 60617)
Miniature circuit breaker symbol (DWG block)
Miniature circuit breaker is a ready-to-use AutoCAD block named PWR_LV_MCB in the Power system single-line symbols (IEC 60617), group “Low voltage distribution”. It carries 10 attributes, 2 of them visible, so it works in equipment lists and BlockSync exports.
Block details
| Block name | PWR_LV_MCB |
|---|---|
| Library | Power system single-line symbols (IEC 60617) |
| Group | Low voltage distribution |
| Standard | IEC 60617 |
| Attributes | 10 attributes, 2 visible |
Attributes
Visible on the drawing: TAG, RATED_CURRENT_A.
Hidden, they carry the data for schedules: VOLTAGE, BREAKING_KA, TRIP_UNIT, POLES, 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
- Download the ZIP and unzip it. It holds one DWG with the block PWR_LV_MCB.
- 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.
Used in sample drawings
The Miniature circuit breaker 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
- Miniature circuit breaker
- Simplified Chinese
- 微型断路器
- Traditional Chinese
- 小型斷路器(MCB)
- Japanese
- 小形遮断器(MCB)
- Korean
- 소형 차단기(MCB)
- German
- Leitungsschutzschalter
- French
- Disjoncteur modulaire
- Italian
- Interruttore magnetotermico
- Spanish
- Interruptor magnetotérmico
