Electrical Safety - ABB Relion 650 Series Technical Manual

Section 16
IED hardware
16.5.2
16.5.3
16.5.4
692

Electrical safety

Table 559: Electrical safety according to IEC 60255-27
Equipment class I (protective earthed)
Overvoltage category III
Pollution degree 2 (normally only non-conductive pollution occurs except that occasionally
a temporary conductivity caused by condensation is to be expected)
Connection system
Table 560: CT and VT circuit connectors
Connector type
Screw compression type
Terminal blocks suitable for
ring lug terminals
Table 561: Auxiliary power supply connectors
Connector type
Screw compression type
Terminal blocks suitable for
ring lug terminals
Table 562: Binary I/O connectors
Connector type
Screw compression type
Influencing factors
Table 563: Temperature and humidity influence
Parameter Reference value
Ambient temperature, +20°C
operate value
Relative humidity 10-90%
Operative range 0-95%
Storage temperature -
Rated voltage and current
250 V AC, 20 A
250 V AC, 20 A
Rated voltage
250 V AC
300 V AC
Rated voltage
250 V AC
Nominal range
-25°C to +55°C
10-90%
-40°C to +70°C
1MRK 511 424-UEN B
GUID-2825B541-DD31-4DAF-B5B3-97555F81A1C2 v1
GUID-1CF5B10A-CF8B-407D-8D87-F4B48B43C2B2 v2
SEMOD53371-1 v1
SEMOD53376-2 v6
Maximum conductor area
2
4 mm (AWG12)
2
2 x 2.5 mm (2 x AWG14)
2
4 mm (AWG12)
M12583-1 v7
Maximum conductor area
2
2.5 mm (AWG14)
2
2 × 1 mm (2 x AWG18)
2
3 mm (AWG14)
Maximum conductor area
2
2.5 mm (AWG14)
2
2 × 1 mm (2 x AWG18)
SEMOD52785-1 v1
M16705-1 v15
Influence
0.02%/°C
-
-
Bay control REC650 2.2 IEC
Technical manual