ABB REG670 - Technical Data

9.2.8 Technical data
Table 276: OV2PTOV technical data
Function
Range or value Accuracy
Operate
voltage, step 1
and 2
(1.0-200.0)% of
UBase ±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Absolute
hysteresis
(0.0–50.0)% of UBase ±0.5% of U
r
at U ≤ U
r
±0.5% of U at U > U
r
Inverse time
characteristics
for steps 1 and
2, see table
970
-
See table 970
Definite time
delay, low step
(step 1) at 0 to
1.2 x U
set
(0.00 - 6000.00) s
±0.2% or ±45 ms whichever is
greater
Definite time
delay, high step
(step 2) at 0 to
1.2 x U
set
(0.000-60.000) s
±0.2% or ±45 ms whichever is
greater
Minimum
operate time,
Inverse
characteristics
(0.000-60.000) s
±0.2% or ±45 ms whichever is greater
Operate time,
start at 0 to 2 x
U
set
Min. = 15 ms
Max. = 30 ms
-
Reset time, start
at 2 to 0 x U
set
Min. = 15 ms
Max. = 30 ms
-
Operate time,
start at 0 to 1.2 x
U
set
Min. = 20 ms
Max. = 35 ms
-
Reset time, start
at 1.2 to 0 x U
set
Min. = 5 ms
Max. = 25 ms
-
Critical impulse
time
10 ms typically at 0 to 2 x U
set
-
Impulse margin
time
15 ms typically -
Section 9 1MRK502052-UEN B
Voltage protection
504
Technical manual