M12327-1 v4
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
M11777-1 v5
Table 647: Weight
Case size Weight
6U, 1/2 x 19”
£ 10 kg/22 lb
22.5.2 Electrical safety
GUID-2825B541-DD31-4DAF-B5B3-97555F81A1C2 v1
GUID-1CF5B10A-CF8B-407D-8D87-F4B48B43C2B2 v1
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)
22.5.3 Connection system
SEMOD53371-1 v1
SEMOD53376-2 v6
Table 649: 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 650: Auxiliary power supply 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)
Section 22 1MRK 505 394-UEN A
IED hardware
860 Line differential protection RED650 2.2 IEC
Technical manual
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