Hitachi Relion 670 Series Product Manual page 153

Line differential protection RED670
Version 2.2
Hardware
IED
Table 201. Case
Material
Front plate
Surface treatment
Finish
Table 202. Water and dust protection level according to IEC 60529
Front
Sides, top and bottom
Rear side
Table 203. Weight
Case size
6U, 1/2 x 19"
6U, 3/4 x 19"
6U, 1/1 x 19"
Electrical safety
Table 204. Electrical safety according to IEC 60255-27
Equipment class
Overvoltage category
Pollution degree
Connection system
Table 205. CT and VT circuit connectors
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
Table 206. Auxiliary power supply and binary I/O connectors
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
Hitachi Energy
M11778-1 v8
Steel sheet
Stainless steel with cut-out for HMI
Aluzink preplated steel
Light grey (RAL 7035)
M12327-1 v6
IP40 (IP54 with sealing strip)
IP40
IP20 with screw compression type
IP10 with ring lug terminals
M11777-1 v8
Weight
£ 7.5 kg/16 lb
£ 15 kg/33 lb
£ 15 kg/33 lb
GUID-1CF5B10A-CF8B-407D-8D87-F4B48B43C2B2 v3
I (protective earthed)
III
2 (normally only non-conductive pollution occurs except that occasionally a temporary
conductivity caused by condensation is to be expected)
SEMOD53376-2 v6
M12583-1 v8
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Rated voltage and current
250 V AC, 20 A
250 V AC, 20 A
Rated voltage
250 V AC
300 V AC
1MRK 505 379-BEN R
SEMOD53385-1 v1
GUID-2825B541-DD31-4DAF-B5B3-97555F81A1C2 v1
SEMOD53371-1 v1
Maximum conductor area
2
4 mm (AWG12)
2
2 x 2.5 mm (2 x AWG14)
2
4 mm (AWG12)
Maximum conductor area
2
2.5 mm (AWG14)
2
2 × 1 mm (2 x AWG18)
2
3 mm (AWG14)
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