Hardware
IED
Table 166. Case
Material
Steel sheet
Front plate
Stainless steel with cut-out for HMI
Surface treatment
Aluzink preplated steel
Finish
Light grey (RAL 7035)
Table 167. 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 168. Weight
Case size
Weight
6U, 1/2 x 19”
£
10 kg/22 lb
6U, 3/4 x 19”
£
15 kg/33 lb
6U, 1/1 x 19”
£
18 kg/40 lb
Electrical safety
Table 169. 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 170. 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)
Table 171. Auxiliary power supply and binary I/O 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)
Because of limitations of space, when ring
lug terminal is ordered for Binary I/O
connections, one blank slot is necessary
between two adjacent IO modules. Please
refer to the ordering particulars for details.
1MRK 506 372-BEN -
Line distance protection REL670 2.2
Product version: 2.2
ABB
115
Содержание RELION REL670
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