ABB RELION 620 Series Technical Manual page 895

1MAC504801-IB E
Section 14
14.1
620 series ANSI
Technical Manual
Protection relay's physical connections
Connections to the rear panel terminals
All external circuits are connected to the terminals on the rear panel of the protection relay.
• Each signal connector terminal is connected with one 14 or 16 Gauge wire. For CB
trip circuit, 12 or 14 Gauge wire is used.
• Each ring-lug terminal for signal connector is connected with one of maximum 14 or
16 Gauge wire.
• Each ring-lug terminal for CTs/VTs is connected with one 12 Gauge wire.
Protection relay's physical connections
Section 14
889