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UMA710-2-xx-ISO-xx, Manual.docx
Issued: 11.Jan.2016
40
9.4. Technical data
Insulation coordination acc. to IEC 60664-1 *)
Rated insulation voltage
AC 250V
Rated impulse voltage/pollution degree
4 kV/3
Nominal insulation voltage
400V
Voltage ranges*)
Nominal system voltage Un
AC 230 V
Nominal frequency fn
50...60 Hz
Supply voltage Us
from the system to be monitored
Frequency range of Us
50...60Hz
Current during the changeover process
17A / <30ms
Power section / switching elements *)
Nominal system voltage Ue
AC 230V
Frequency of Ue
48 ... 62Hz
Nominal current Ie
ATICS-2-63A-xxx-xx: 63A
ATICS-2-80A-xxx-xx: 80A
Crest-Factor
<=1.2
Number of switching cycles (mechanical)
>8000
Voltage monitoring *)
Frequency range fn
40...70Hz
Under voltage response value (Alarm 1)
160…207V
Over voltage response value (Alarm 2)
240…275V
Response delay ton
50ms ... 100s
Delay of release toff
200ms…100s
Insulation monitoring (only ATICS-2-xx-ISO-xx) *)
Nominal system voltage (operating range)
195…265V
Measuring range
10kΩ…1MΩ
Response value Ran1 (ALARM 1)
50 ... 25
0kΩ
Relative uncertainty
+/- 15%
Hysteresis
<= 25%
Response time tan at RF = 0,5 x Ran und
Ce = 1 μF
< 5s
Max. system leakage capacitance Ce
< 5
μF
Measuring voltage Um
DC 12V
Measuring current Im max. (at
RF = 0 Ω)
< 120
μA
Permissible extraneous DC voltage Ufg
DC 375 V
Automatic self-test
each hour
Insulation Fault Location (only ATICS-2-xx-ISO-xx) *)
(Only if EDS function is activated)
Locating current IT
1mA
Test pulse / Pause
2s / 4s
Load current monitoring (IT system transformer) *)
Measuring current transformers
BV384213 (STW2), STW3, SWL-100A
Measuring range IL (trueRMS)
10…110% of the response value
Adjustable response value
5...(50) 100A
Hysteresis
5…30%
Temperaturüberwachung des IT-System Transformators *)
Response value
4 kΩ
Release value
1,6 kΩ
Measuring time
<2s
PTC resistors according to DIN 44081
max. 6 in series
