Hardware; Electrical Safety; Connection Safety; Case - ABB RED670 Product Manual

Line differential protection RED670 2.1 IEC
Product version: 2.1

Hardware

IED
Table 160. Case
Material Steel sheet
Front plate Steel sheet profile with cut-out for HMI
Surface treatment Aluzink preplated steel
Finish Light grey (RAL 7035)
Table 161. Water and dust protection level according to IEC 60529
Front IP40 (IP54 with sealing strip)
Sides, top and bottom IP20
Rear side IP20 with screw compression type
IP10 with ring lug terminals
Table 162. Weight
Case size
6U, 1/2 x 19"
6U, 3/4 x 19"
6U, 1/1 x 19"

Electrical safety

Table 163. 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 164. CT and VT circuit connectors
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
Table 165. Auxiliary power supply and binary I/O connectors
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
Because of limitations of space, when ring
lug terminal is ordered for Binary I/O
connections, one blank slot is necessary
108
Weight
£ 10 kg/22 lb
£ 15 kg/33 lb
£ 18 kg/40 lb
Rated voltage and current
250 V AC, 20 A
250 V AC, 20 A
Rated voltage
250 V AC
300 V AC
between two adjacent IO cards. Please refer
to the ordering particulars for details.
1MRK 505 346-BEN -
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)
ABB