Electrical Safety; Connection System - ABB RED650 Technical Manual

Section 22
IED hardware
22.5.2
22.5.3
860
Table 646: Water and dust protection level according to IEC 60529
Front IP40 (IP54 with sealing strip)
Sides, top and bottom IP40
Rear side IP20 with screw compression type
IP10 with ring lug terminals
Table 647: Weight
Case size
6U, 1/2 x 19"

Electrical safety

Table 648: 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 649: CT and VT circuit connectors
Connector type
Screw compression type
Terminal blocks suitable for
ring lug terminals
Table 650: Auxiliary power supply connectors
Connector type
Screw compression type
Terminal blocks suitable for
ring lug terminals
Rated voltage and current
250 V AC, 20 A
250 V AC, 20 A
Rated voltage
250 V AC
300 V AC
Line differential protection RED650 2.2 IEC
1MRK 505 394-UEN A
M12327-1 v4
M11777-1 v5
Weight
£ 10 kg/22 lb
GUID-2825B541-DD31-4DAF-B5B3-97555F81A1C2 v1
GUID-1CF5B10A-CF8B-407D-8D87-F4B48B43C2B2 v1
SEMOD53371-1 v1
SEMOD53376-2 v6
Maximum conductor area
4 mm 2 (AWG12)
2
2 x 2.5 mm (2 x AWG14)
4 mm 2 (AWG12)
M12583-1 v6
Maximum conductor area
2
2.5 mm (AWG14)
2
2 × 1 mm (2 x AWG18)
2
3 mm (AWG14)
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