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ABB REX640 User Manual

ABB REX640
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Table 18. Static power output (SPO) relays
Description Value
Rated voltage 250 V DC
Maximum continuous burden (resistive load, DC) 2000 VA
Continuous contact carry 5 A (one output at a time)
1 A (multiple outputs simultaneously active)
Make and carry for 3.0 s 15 A
Make and carry for 0.5 s 30 A
Breaking capacity when the control-circuit time constant L/R<40 ms, at
48/110/220 V DC two contacts connected in series
16 A/6 A/3 A
Minimum load current 1 mA
Trip-circuit supervision (TCS) SP06 and SP08:
Control voltage range 20...250 V DC
Current drain through the supervision circuit ~1.5 mA
Minimum voltage over the TCS contact 20 V DC
SP05 and SP07:
Current drain through the circuit ~3 mA
Table 19. Serial rear interface
Type
Counter connector
Serial port X8 10-pin 2-row counter connector
Serial port X7 Optical ST-connector
Table 20. USB interface, LHMI
Type
Description
USB Hi-Speed USB Type A
Table 21. Ethernet interfaces
Connector
Media Reach Rate Wavelength Permitted path
attenuation
RJ-45 CAT 6 S/FTP 100 m 100 mbits/s -
LC MM 62.5/125 or
50/125 μm glass fiber
core
2 km
1)
100 mbits/s 1300 nm
<8 dB
2)
1) Maximum length depends on the cable attenuation and quality, the amount of splices and connectors in the path
2) Maximum allowed attenuation caused by connectors and cable togethe
Table 22. Protection communication link
Connector
Part number Fiber type Wave Length Max. length
Permitted path
attenuation
SFP 2RCA045621
MM 62.5/125 or
50/125 μm
1310 nm 2 km <8 dB
SFP 2RCA045622 SM 9/125 μm 1310 nm 20 km <13 dB
SFP 2RCA045623 SM 9/125 μm 1310 nm 50 km <26 dB
1MRS759144 A
REX640
Product version: 1
32 ABB

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ABB REX640 Specifications

General IconGeneral
Device TypeProtection Relay
Communication ProtocolsIEC 61850, Modbus, DNP3, IEC 60870-5-103
Rated Frequency50/60 Hz
Operating Temperature Range-25°C to +55°C
DisplayLCD
HousingMetal
ManufacturerABB
ModelREX640
MountingRack mounting
Inputs and OutputsConfigurable binary inputs and outputs
Rated Voltage48-240 V AC/DC
Protection FunctionsOvercurrent, Earth Fault
Input Voltage48-240 V AC/DC
CertificationsCE, UL, IEC

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