7.6.8
Technical data
Table 66:
DNSPTOC Technical data
Function
Range or value
Accuracy
Operate current
(2.0 - 200.0) % of
IBase
± 1.0% of I
r
at I <I
r
± 1.0% of I at I > I
r
Reset ratio
> 95 %
-
Low polarizing voltage level
(0.0 - 5.0) % of
UBase
< ± 0.5% of U
r
Relay characteristic angle
(-180 - 180) degrees
± 2.0 degrees
Relay operate angle
(1 - 90) degrees
± 2.0 degrees
Timers
(0.00 - 6000.00) s
± 0.5% ± 25 ms
Operate time, non-directional
30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, non-directional
40 ms typically at 2 to 0 x I
set
-
Operate time, directional
30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
Reset time, directional
40 ms typically at 2 to 0 x I
set
-
Critical impulse time
10 ms typically at 0 to 2 x I
set
2 ms typically at 0 to 10 x I
set
-
Impulse margin time
15 ms typically
-
Dynamic overreach
< 10% at t = 300 ms
-
Section 7
1MRK 505 288-UEN A
Current protection
126
Technical manual
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