According to Intercontec standard
Signal plug-in connector
M23 standard [6 to 19-pin]
types
- Plug, standard and push-pull version, angular connector
- Lead-through
- Coupling, standard or with central attachment
- PG 13.5-installation box
- Straight installation box with flange
- Installation box angled and turnable flexed with flange
Pole numbers insulation body - 6,7, [8+1], 9, 10, 12, 16, 17, [16+3]