| Class | Magnetic switch | Nom. power at AC/400V | 4 kW |
| Serie | A | Modular design | No |
| Nom. coil voltage Us at AC 50Hz | 250 till 500 V | Number of auxiliary contacts NO | 0 |
| Nom. coil voltageUs at AC 60Hz | 250 till 500 V | Number of auxiliary contacts NC | 1 |
| Nom. coil voltage Us at DC | 250 till 500 V | Main circuit connection mode | Threaded connection |
| Type of voltage for excitation | AC | Number of main contacts as NO contacts | 3 |
| Nom operating current Ie at AC-1 400 V | 25 A | Number of main contacts as NC contacts | 0 |
| Nom. operating current Ie at AC-3 400 V | 9 A | Nom. measurment frequency | 60 Hz |