ABB RET670 Product Guide

Hardware
IED
Table 107. 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 108. 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 109. 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
Connection system
Table 110. 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 111. 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.
Transformer protection RET670 2.0
1MRK 504 141-BEN C
Product version: 2.0
96 ABB

ABB RET670 Specifications

General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection
Number of Analog Inputs	24