ABB
Transformer Protection and Control
RET630
Product version: 1.1
Table 11. RTD inputs, continued
Description
mA inputs Supported current range
Current input impedance
Operation accuracy
Voltage
Supported voltage range
inputs
Operation accuracy
Table 12. Signal output and IRF output
IRF relay change over - type signal output relay
Description
Rated voltage
Continuous contact carry
Make and carry for 3.0 s
Make and carry 0.5 s
Breaking capacity when the control-circuit
time constant L/R<40 ms, at U< 48/110/220
V DC
Minimum contact load
Table 13. Power output relays without TCS function
Description
Rated voltage
Continuous contact carry
Make and carry for 3.0 s
Make and carry for 0.5 s
Breaking capacity when the control-circuit
time constant L/R<40 ms, at U< 48/110/220
V DC
Minimum contact load
Value
-20 mA ... +20 mA
100 Ω ± 0.1%
± 0.1% ± 20 ppm per °C of full-
scale
-10 V DC....+10 V DC
±0.1% ± 40 ppm per °C of full-
scale
Value
250 V AC/DC
5 A
10 A
15 A
≤0.5 A/≤0.1 A/≤0.04 A
100 mA at 24 V AC/DC
Value
250 V AC/DC
8 A
15 A
30 A
≤1 A/≤0.3 A/≤0.1 A
100 mA at 24 V AC/DC
1MRS756978 D
Issued: 2011-05-18
Ambient
temperature
-40°C to 70°C
Ambient
temperature
-40°C to 70°C
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