| General |
| Number of phases | 3 |
| Number of poles | 3 |
| Suitable for number of devices | 4 |
| Pitch dimensions | 18 |
| Cross section | 25 |
| Length | 225 |
| Rated permanent current Iu | 125 |
| Type of electric connection | Pin |
| Rated surge voltage | 8 |
| Conditioned rated short-circuit current Iq | 100 |
| Max. rated operation voltage Ue | 690 |
| Rated short-time withstand current lcw | 100 |
| Colour | Grey |
| Width in number of modular spacings | 12.8 |
| Insulated | |
| Suitable for devices with N-busbar | |
| Suitable for devices with auxiliary switch | |
3-phase busbars PS2 are used for parallel feeding of several motor protection switches MS/MO165 with 0, 1 or 2 side attachments of 9 mm width