Automatic power on/off of the chip and dust extraction unit after the wood processing machine has been switched on or off, Time-delayed: in this way, even residual dust is extracted, 2 Alternating current sockets ( 230 V ), 2 Three-phase sockets ( 400 V ), Mains connection with phase inverter, Mains voltage: 220-240 V / 380-400 V, 4 Screwing options M5 x 7.2 mm