ABB Relion 620 Series - Connecting; Required Tools; Connecting Wires; Connecting Ring-Lug Type Wires

5 Connecting
5.1 Required tools
Only use a screwdriver and insert bits for Phillips (PH 2) cross-recessed head screws
when handling CT/ VT terminals of screw-compression type.
A
B
A Max. ø5.5 mm
B Max. ø5 mm
Figure 28: Screwdriver for CT/VT terminals of screw-compression type
A
A Min. 15 mm
Figure 29: Insert bits for CT/VT terminals of screw-compression type
5.2 Connecting wires
All connections are made on the rear of the case. No soldering is needed.
• Open the screw-compression type terminals before inserting any wires. By
default the terminals are closed at the time of delivery.
• Use fine wire in door mounting.
See the application manual for product-specific connection diagrams.
5.2.1 Connecting ring-lug type wires
Ring-lug type insulated terminal can be used for signal connector X120 for REF620
and REM620, and both X115 and X120 for RET620. The maximum outside diameter
for the M4 ring-lug type terminals is 9 mm.
Connecting
1MRS757641 G
44 620 series
Installation Manual