ABB RET670 Product Manual page 82

Transformer protection RET670
Pre-configured
Product version: 1.1
IED
Table 79. 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 80. Water and dust protection level according to IEC 60529
Front IP40 (IP54 with sealing strip)
Rear, sides, top IP20
and bottom
Table 81. Weight
Case size
6U, 1/2 x 19"
6U, 3/4 x 19"
6U, 1/1 x 19"
Connection system
Table 82. CT and VT circuit connectors
Connector type
Terminal blocks of feed through
type
Terminal blocks suitable for ring
lug terminals
Table 83. Binary I/O connection system
Connector type
Screw compression type
Terminal blocks suitable for ring
lug terminals
82
Weight
£ 10 kg
£ 15 kg
£ 18 kg
Rated voltage and
current
250 V AC, 20 A
250 V AC, 20 A
Rated voltage
250 V AC
300 V AC
1MRK 504 091-BEN B
Issued: June 2010
Maximum conductor
area
2
4 mm
2
4 mm
Maximum conductor
area
2
2.5 mm
2
2 × 1 mm
2
3 mm
ABB