ABB REU 610 Technical Reference Manual page 31

1MRS755972
Voltage Relay
Technical Reference Manual - ANSI Version
If the ratio between the voltage and the set value is lower than
0.3, the operate time is the same as when the ratio is 0.3.
Table 5.1.4.6.-2 Values of constant p
Time/voltage
characteristic
p
A B
2 3
REU 610
C
2
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