Hardware
IED
SEMOD53385-1 v1
M11778-1 v4
Table 132. Case
Material
Steel sheet
Front plate
Steel sheet profile with cut-out for HMI
Surface treatment
Aluzink preplated steel
Finish
Light grey (RAL 7035)
M12327-1 v3
Table 133. 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
M11777-1 v4
Table 134. 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
GUID-2825B541-DD31-4DAF-B5B3-97555F81A1C2 v1
GUID-1CF5B10A-CF8B-407D-8D87-F4B48B43C2B2 v1
Table 135. 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
SEMOD53371-1 v1
SEMOD53376-2 v6
Table 136. 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)
M12583-1 v5
Table 137. 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 cards. Please
refer to the ordering particulars for details.
1MRK 511 361-BEN B
Bay control REC670 2.1 IEC
Product version: 2.1
88
ABB