ABB Relion 670 series - Page 1358

22.5.3 Connection system
SEMOD53371-1 v1
SEMOD53376-2 v6
Table 1052:CT and VT circuit connectors
Connector type Rated voltage and current Maximum conductor area
Screw compression type 250 V AC, 20 A
4 mm
2
(AWG12)
2 x 2.5 mm
2
(2 x AWG14)
Terminal blocks suitable for ring lug terminals 250 V AC, 20 A
4 mm
2
(AWG12)
M12583-1 v5
Table 1053:Auxiliary power supply and binary I/O connectors
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.
22.5.4 Influencing factors
SEMOD52785-1 v1
M16705-1 v15
Table
1054:
Temperature and humidity influence
Parameter Reference value Nominal range Influence
Ambient temperature,
operate value
+20°C -25°C to +55°C 0.02%/°C
Relative humidity
Operative range
10-90%
0-95%
10-90% -
Storage temperature - -40°C to +70°C -
Section 22 1MRK 502 066-UUS B
IED hardware
1352
Technical manual