ABB RET615 Product Manual page 18

Transformer Protection and Control
RET615
Product version: 2.0
Table 8. Energizing inputs
Description
Rated frequency
Current inputs Rated current, I
Thermal withstand
capability:
• Continuously
• For 1 s
Dynamic current
withstand:
• Half-wave value
Input impedance
1) Residual current and/or phase current
Table 9. Binary inputs
Description
Operating range
Rated voltage
Current drain
Power consumption
Threshold voltage
Reaction time
Table 10. Signal outputs and IRF output
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 48/110/220 V DC
Minimum contact load
18
Value
50/60 Hz ± 5 Hz
1)
1/5 A
n
20 A
500 A
1250 A
<20 mΩ
Value
±20% of the rated voltage
24...250 V DC
1.6...1.9 mA
31.0...570.0 mW
18...176 V DC
3 ms
Value
250 V AC/DC
5 A
10 A
15 A
1 A/0.25 A/0.15 A
100 mA at 24 V AC/DC
1MRS756891 B
Issued: 01.10.2009
ABB