ABB Relion REC615 - Irig-B; Degree of Protection of Flush-Mounted Protection Relay

Connector Fibre type Wave length Max. distance Permitted path
attenuation
1
50/125 μm glass
fibre core
ST MM 62.5/125 or
50/125 μm glass
fibre core
820...900 nm 1 km <11 dB
14.14 IRIG-B
Table 764: IRIG-B
Description
Value
IRIG time code format B004, B005
2
Isolation 500V 1 min
Modulation Unmodulated
Logic level TTL level
Current consumption 2...4 mA
Power consumption 10...20 mW
14.15 Degree of protection of flush-mounted protection
relay
Table 765: Degree of protection of flush-mounted protection relay
Description
Value
Front side IP 54
3
Rear side, connection terminals IP 20
3
1
Maximum allowed attenuation caused by connectors and cable together
2
According to the 200-04 IRIG standard
3
According to IEC 60529
1MRS758755 C Technical data
REC615 & RER615
Technical Manual
857