23.5.3
Connection system
SEMOD53371-1 v1
SEMOD53376-2 v6
Table 677:
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 v6
Table 678:
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 modules. Please refer to the ordering particulars for details.
23.5.4
Influencing factors
SEMOD52785-1 v1
M16705-1 v12
Table 679:
Temperature and humidity influence
Parameter
Reference value
Nominal range
Influence
Ambient temperature,
operate value
+20°C
-10°C to +55°C
0.02%/°C
Relative humidity
Operative range
10-90%
0-95%
10-90%
-
Storage temperature
-
-40°C to +70°C
-
1MRK 511 408-UUS A
Section 23
IED hardware
Phasor measurement unit RES670 2.2 ANSI
871
Technical manual
Summary of Contents for Relion RES670
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