ABB REL670 Product Manual page 115

Line distance protection REL670 2.2
Product version: 2.2
Hardware
IED
Table 166. Case
Material
Front plate
Surface treatment
Finish
Table 167. Water and dust protection level according to IEC 60529
Front
Sides, top and bottom
Rear side
Table 168. Weight
Case size
6U, 1/2 x 19"
6U, 3/4 x 19"
6U, 1/1 x 19"
Electrical safety
Table 169. Electrical safety according to IEC 60255-27
Equipment class
Overvoltage category
Pollution degree
Connection system
Table 170. CT and VT circuit connectors
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
Table 171. 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
ABB
Steel sheet
Stainless steel with cut-out for HMI
Aluzink preplated steel
Light grey (RAL 7035)
IP40 (IP54 with sealing strip)
IP40
IP20 with screw compression type
IP10 with ring lug terminals
I (protective earthed)
III
2 (normally only non-conductive pollution occurs except that occasionally a temporary conductivity caused by
condensation is to be expected)
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 modules. Please
refer to the ordering particulars for details.
1MRK 506 372-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)
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