ABB Relion 670 series - Technical data; Enclosure; Connection system

19.5 Technical data
19.5.1 Enclosure
Table 715: 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 716: 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 717: Weight
Case size
Weight
6U, 1/2 x 19” £ 22 lb
6U, 3/4 x 19” £ 33 lb
6U, 1/1 x 19” £ 40 lb
19.5.2 Connection system
Table 718: 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 719: Binary I/O connection system
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)
1MRK505222-UUS C Section 19
IED hardware
1153
Technical reference manual