ABB REX640 User Manual

22. Technical data
Table 6. Dimensions of the relay
Description Value
Width 304.0 mm
Height 264.8 mm
Depth With compression type CT/VT
connectors
242.2 mm
With ring lug type CT/VT
connectors
254.1 mm
With grounding bar 274.0 mm
Weight box 6.9...8.8 kg
Table 7. Dimensions of the LHMI
Description
Value
Width 212.5 mm
Height 177.5 mm
Depth 57.6 mm
Weight 1.6 kg
Table 8. Power supply for the relay
Description
PSM1001 PSM1002 PSM1003
Nominal auxiliary voltage U
n
24, 30, 48, 60 V DC 100, 110, 120, 220, 240 V AC, 50
and 60 Hz
110, 125 V DC
48, 60, 110, 125, 220, 250 V DC
Maximum interruption time in the
auxiliary DC voltage without
resetting the relay
50 ms at U
n
Auxiliary voltage variation 50...120% of U
n
(12...72 V DC) 38...110% of U
n
(38...264 V AC) 70...120% of U
n
(77...150 V DC)
80...120% of U
n
(38.4...300 V DC)
Start-up threshold 16 V DC (24 V DC × 67%) 77 V DC (110 V DC × 70%)
Burden of auxiliary voltage supply
under quiescent (P
q
)/operating
condition
DC <18.0 W (nominal)/<25.0 W
(max.)
DC <20.0 W (nominal)/<25.0 W
(max.)
AC <20.0 W (nominal)/<25.0 W
(max.)
DC <17.0 W (nominal)/<25.0 W
(max.)
Ripple in the DC auxiliary voltage Max 15% of the DC value (at frequency of 100 Hz)
Fuse type T8A/250 V T4A/250 V
1MRS759144 A
REX640
Product version: 1
28 ABB

ABB REX640 Specifications

General

Device Type	Protection Relay
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Rated Frequency	50/60 Hz
Operating Temperature Range	-25°C to +55°C
Display	LCD
Housing	Metal
Manufacturer	ABB
Model	REX640
Mounting	Rack mounting
Inputs and Outputs	Configurable binary inputs and outputs
Rated Voltage	48-240 V AC/DC
Protection Functions	Overcurrent, Earth Fault
Input Voltage	48-240 V AC/DC
Certifications	CE, UL, IEC