ABB RET670 Product Manual page 74

Transformer protection RET670 ANSI
Pre-configured
Product version: 1.2
Hardware
IED
Table 68. 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 69. Water and dust protection level according to IEC 60529
Front IP40 (IP54 with sealing strip)
Rear, sides, top and IP20
bottom
Table 70. Weight
Case size
6U, 1/2 x 19"
6U, 3/4 x 19"
6U, 1/1 x 19"
Connection system
Table 71. CT circuit connectors
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
Table 72. Binary I/O connection system
Connector type
Screw compression type
Terminal blocks suitable for ring lug terminals
74
Weight
£ 22 lb
£ 33 lb
£ 40 lb
Rated voltage and current
250 V AC, 20 A
250 V AC, 20 A
Rated voltage
250 V AC
300 V AC
1MRK 504 118-BUS A
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 × 1 mm 2 (2 x AWG18)
2
3 mm (AWG14)
ABB