isoBAT425_D00308_04_M_XXEN/07.2020
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Technical data
10. Technical data
10.1 Tabular presentation
( )* = Factory settings
Technical data isoBAT425
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Definitions:
Measuring circuit (IC1)......................................................................................................................................... L+, L-
Supply circuit (IC2) .............................................................................................................................................. A1, A2
Output circuit (IC3)..........................................................................................................................................11, 14, 24
Control circuit (IC4) ................................................................................................................................. E, KE, T/R, A, B
Rated voltage....................................................................................................................................................................400 V
Overvoltage category ............................................................................................................................................................ III
Rated impulse voltage:
IC1/(IC2-4)................................................................................................................................................................ 6 kV
IC2/( IC3-4 ).............................................................................................................................................................. 4 kV
IC3/IC4 ...................................................................................................................................................................... 4 kV
Rated insulation voltage:
IC1/(IC2-4)..............................................................................................................................................................400 V
IC2/( IC3-4 )............................................................................................................................................................250 V
IC3/IC4 ....................................................................................................................................................................250 V
Pollution degree ...................................................................................................................................................................... 3
Safe isolation (reinforced insulation) between:
IC1/(IC2-3).....................................................................................................................Overvoltage category III, 600 V
IC2/(IC3-4 )....................................................................................................................Overvoltage category III, 300 V
IC3/IC4 ...........................................................................................................................Overvoltage category III, 300 V
Protective impedance device between:
IC1/IC4 ...........................................................................................................................Overvoltage category III, 600 V
Voltage tests (routine test) acc. to IEC 61010-1:
IC2/( IC3-4 )......................................................................................................................................................AC 2.2 kV
IC3/IC4 .............................................................................................................................................................AC 2.2 kV
Supply voltage
Supply voltage
U
s
.............................................................................................................. AC 100…240 V/DC 24…240 V
Tolerance of
U
s
................................................................................................................................................. -30…+15 %
Frequency range
U
s
.............................................................................................................................................. 47…63 Hz
Power consumption ....................................................................................................................................... ≤ 3 W, ≤ 9 VA
IT system being monitored
Nominal system voltage
U
n
.................................................................................................................................. DC 0...400 V
Tolerance of
U
n
..............................................................................................................................................................+25 %
Measuring circuit
Measuring voltage
U
m
................................................................................................................................................... ±12 V
Measuring current Im at
R
F
,
Z
F
= 0 Ω .......................................................................................................................≤ 110 μA
Internal resistance
R
i
,
Z
i
.............................................................................................................................................≥ 115 kΩ
Permissible system leakage capacitance
C
e
................................................................................................................. ≤ 1 μF
Response values
Response value
R
an1
..................................................................................................................... 11…5000 kΩ (1500 kΩ)*
Response value
R
an2
..................................................................................................................... 10…4900 kΩ (1000 kΩ)*
Relative uncertainty
R
an
...................................................................................................................... ±15 %, at least ±2 kΩ
Hysteresis
R
an
............................................................................................................................................ 25 %, at least 1 kΩ
Voltage detection
U
BattH
.............................................................................................................................4…500 V (400 V)
Voltage detection
U
BattL
.............................................................................................................................3…499 V (378 V)
Voltage detection
U
CrossH
...........................................................................................................................4…500 V (345 V)
Voltage detection
U
CrossL
................................................................................................................................ 3…499 V (6 V)
Overvoltage detection ..................................................................................................................................................... 510 V
Relative uncertainty
U
.......................................................................................................................... ±5 %, at least ±0.5 V
Hysteresis
U
................................................................................................................................................... 5 %, at least 2 V
Time response
Response time
t
ae
at
R
F
= 0.5 x
R
an
for the measuring pulse period durations:
T
MP
= 0.8 s..........................................................................................................................................................≤ 3.5 s
T
MP
= 2.0 s..........................................................................................................................................................≤ 8.0 s
T
MP
= 4.0 s ..........................................................................................................................................................≤ 16 s
T
MP
= 8.0 s ..........................................................................................................................................................≤ 32 s
Start-up delay
t
............................................................................................................................................... 0…10 s (0 s)*
Response delay
t
on
.......................................................................................................................................... 0…99 s (0 s)*
Delay on release
t
off
........................................................................................................................................ 0…99 s (0 s)*
Displays, memory
Display.............................................................................................................. LC display, multi-functional, not illuminated
Display range measured value insulation resistance (
R
F
) ............................................................................... 1 kΩ…10 MΩ
Operating uncertainty......................................................................................................................... ±15 %, at least ±2 kΩ
Display range measured value nominal system voltage (
U
n
) ............................................................................0…500 V
DC
Operating uncertainty.......................................................................................................................... ±5 %, at least ±0.5 V
Display range measured value system leakage capacitance at
R
F
> 10 kΩ ........................................................0…9.99 μF
Operating uncertainty.................................................................................................................... ±10 %, at least ±0.02 μF
Password ............................................................................................................................................... off/0…999 (0, off)*
Fault memory alarm messages ................................................................................................................................ on/(off)*
