Voltage protection
Table 41. Two step undervoltage protection UV2PTUV
Function Range or value Accuracy
Operate voltage, low and high step (1–100)% of
UBase
± 0.5% of U
r
Absolute hysteresis (0–100)% of
UBase
± 0.5% of U
r
Internal blocking level, step 1 and step 2 (1–100)% of
UBase
± 0.5% of U
r
Inverse time characteristics for step 1 and step 2, see table 102 - See table 102
Definite time delay, step 1 (0.00 - 6000.00) s ± 0.5% ± 10 ms
Definite time delays (0.000-60.000) s ± 0.5% ±10 ms
Minimum operate time, inverse characteristics (0.000–60.000) s ± 0.5% ± 10 ms
Operate time, start function 25 ms typically at 2 x U
set
to 0 -
Reset time, start function 25 ms typically at 0 to 2 x U
set
-
Critical impulse time 10 ms typically at 2 x U
set
to 0 -
Impulse margin time 15 ms typically -
Table 42. Two step overvoltage protection OV2PTOV
Function
Range or value Accuracy
Operate voltage, step 1 and 2 (1-200)% of
UBase
± 0.5% of U
r
at U < U
r
± 0.5% of U at U > U
r
Absolute hysteresis (0–100)% 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 101 - See table 101
Definite time delay, step 1 (0.00 - 6000.00) s ± 0.5% ± 10 ms
Definite time delays (0.000-60.000) s ± 0.5% ± 10 ms
Minimum operate time, Inverse characteristics (0.000-60.000) s ± 0.5% ± 10 ms
Operate time, start function 25 ms typically at 0 to 2 x U
set
-
Reset time, start function 25 ms typically at 2 to 0 x U
set
-
Critical impulse time 10 ms typically at 0 to 2 x U
set
-
Impulse margin time 15 ms typically -
1MRK511232-BEN E
Pre-configured
Product version: 1.2
46 ABB
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