ABB REM630 - Page 22

Table 18. X4/IRIG-B interface
Type Protocol Cable
Screw terminal, pin
row header
IRIG-B Shielded twisted pair cable
Recommended: CAT 5, Belden RS-485 (9841-
9844) or Alpha Wire (Alpha 6222-6230)
Table 19. Serial rear interface
Type Counter connector
Serial port (X9) Optical ST connector or optical snap-in
connector
Table 20. Degree of protection of flush-mounted IED
Description
Value
Front side IP 40
Rear side, connection terminals IP 20
Table 21. Degree of protection of the LHMI
Description
Value
Front and side IP 42
Table 22. Environmental conditions
Description
Value
Operating temperature range -25...+55ºC (continuous)
Short-time service temperature range -40...+85ºC (<16h)
Note: Degradation in MTBF and HMI
performance outside the temperature range
of -25...+55ºC
Relative humidity <93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude up to 2000 m
Transport and storage temperature range -40...+85ºC
Motor Protection and Control 1MRS756977 D
REM630
Product version: 1.1 Issued: 2011-05-18
22 ABB