ABB Relion 670 series, Installation And Commissioning Manual

Page: 69 / 260

1 2
1
xx06000168.vsd
IEC06000168 V1 EN
Figure 36: Cable connectors
PosNo Description
1
Is ferrule,
2 A bridge connector, is used to jump terminal points in a connector.
Table 9: Binary I/O connection system
Connector type Rated voltage Maximum conductor area
Screw compression type 250 V AC
2.5 mm
2
(AWG14)
2 × 1 mm
2
(2 x AWG18)
Terminal blocks suitable for
ring lug terminals
300 V AC
3 mm
2
(AWG14)
Because of limitations of space, when ring lug terminal is ordered
for Binary I/O connections, one blank slot is necessary between two
adjacent IO cards. Please refer to the ordering particulars for details.
5.4.6 Making the screen connection
When using screened cables always make sure screens are earthed and connected
according to applicable engineering methods. This may include checking for
appropriate earthing points near the IED, for instance, in the cubicle and/or near the
source of measuring. Ensure that earth connections are made with short (max. 10
1MRK 502 029-UEN A
Section 5
Installing the IED
63
Installation and commissioning manual