Single-axis controllers Wiring Devices in the range 32 ... 104 A (15 ... 55 kW) 4 4.6 4.6.4 Proceed as follows to disconnect the internal connection between the filters and PE: 1. Find the screw over terminals X100 (+UG/-UG) in the position ”TT-TN” ( Fig. 4.6-5). 2. Unscrew the screw and screw it in again at position ”IT”. – Tightening torque: 3.4 Nm (30 lb-in) 94GG67IT01 Fig. 4.6-5 3. Find the metal strap on the left of the device ( Fig. 4.6-6). 4. Unbolt the screws to remove the metal strap. 5. Unbolt the screw at position ”IT” and insert the metal strap. 6. Tighten all screws. – Tightening torque: 3.4 Nm (30 lb-in) Fig.
4.6-6 After this, the device is suitable for operation in IT systems. 4.6-19 EDS94SPP101 EN 3.1-04/2007 Device size 6 Device size 7 94GG67IT62 94GG67IT72