Table 14. Power output relays with TCS function
Description
Value
Rated voltage
250 V DC
Continuous contact carry
8 A
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 U< 48/110/220
V DC
≤1 A/≤0.3 A/≤0.1 A
Minimum contact load
100 mA at 24 V DC
Control voltage range
20...250 V DC
Current drain through the supervision circuit ~1.0 mA
Minimum voltage over the TCS contact
20 V DC
Table 15. mA outputs
Description
Value
mA outputs
Output range
-20 mA … +20 mA
Operation accuracy
±0.2 mA
Maximum (including wiring resistance)
700 Ω
Hardware response time
~80 ms
Isolation
4 kV
Table 16. Ethernet interfaces
Ethernet interface
Protocol
Cable
Data transfer rate
LAN1 (X1)
TCP/IP protocol
Fibre-optic cable
with LC connector or
shielded twisted pair
CAT 5e cable or better
100 MBits/s
Table 17. Fibre-optic communication link
Wave length
Fibre type
Connector
Permitted path
attenuation
1)
Distance
1300 nm
MM 62.5/125
μm glass
fibre core
LC
<8 dB
2 km
1) Maximum allowed attenuation caused by connectors and cable together
Transformer Protection and Control
1MRS756978 D
RET630
Product version: 1.1
Issued: 2011-05-18
22
ABB