7
IR426-D47_D00040_03_M_DEEN/07.2017
ISOMETER® IR426-D47
Technische Daten IR426-D47
( )* = Werkseinstellung
Isolationskoordination nach IEC 60664-1/IEC 60664-3
Bemessungsspannung ........................................................................................................... 250 V
Bemessungs-Stoßspannung / Verschmutzungsgrad ........................................................ 4 kV / 3
Sichere Trennung (verstärkte Isolierung) zwischen:
............................................................... (A1, A2) - (L1, L2, E, KE, T/R) - (11-12-14) - (21-22-24)
Spannungsprüfung nach IEC 61010-1 ................................................................................... 2,2 kV
Versorgungsspannung
Versorgungsspannung U
s
.................................................................................. AC/DC 70…300 V
Frequenzbereich U
s
..................................................................................................... 15…460 Hz
Eigenverbrauch ...................................................................................................................... ≤4 VA
Überwachtes IT-System
Netznennspannung U
n
........................................................................................ AC/DC 0…132 V
Nennfrequenz f
n
...................................................................................................... DC, 42…62 Hz
Ansprechwerte
Ansprechwert R
an1
(ALARM 1) ................................................................. 10…200 kΩ
(
50 kΩ
)∗
Ansprechwert R
an2
(ALARM 2) ................................................................. 10…200 kΩ
(
50 kΩ
)∗
Ansprechabweichung .........................................................................................................
±
15 %
Hysterese ............................................................................................................................
+25 %
Zeitverhalten
Ansprechzeit t
an
bei R
F
= 0,5 x R
an
und C
e
= 1 μF ................................................................. ≤
3 s
Anlaufverzögerung t ................................................................................................ 0…10 s (0 s)*
Ansprechverzögerung t
on
........................................................................................ 0…99 s (0 s)*
Messkreis
Messspannung U
m
..................................................................................................................
±
12 V
Messstrom I
m
(bei R
F
= 0Ω) ............................................................................................
≤
100 μA
Innenwiderstand DC R
i
...................................................................................................... ≥ 120 kΩ
Impedanz Z
i
bei 50 Hz ....................................................................................................... ≥ 117 kΩ
Zulässige Fremdgleichspannung U
fg
............................................................................. ≤ DC 132 V
Zulässige Netzableitkapazität C
e
.......................................................................................... ≤20 μF
Anzeigen, Speicher
Anzeige ......................................................................... LC-Display, multifunktional, unbeleuchtet
Anzeigebereich Messwert .......................................................................................... 1 kΩ…1 MΩ
Betriebsmessabweichung (1…10 kΩ) ...............................................................................
±
1 kΩ
Betriebsmessabweichung (10 kΩ…1 MΩ) .......................................................................
±
15 %
Passwort ........................................................................................................ off / 0…999 (off, 1)*
Fehlerspeicher (Alarmrelais) ...................................................................................... on / off (off)*
Eingänge
Leitungslänge externe Test- / Reset-Taste .......................................................................... ≤
10 m
Schaltglieder
Anzahl .............................................................................................................. 2 (Wechsler K1, K2)
Arbeitsweise K1/K2 ....................................................... Ruhestrom / Arbeitsstrom (Ruhestrom)*
Elektrische Lebensdauer bei Bemessungsbedingungen .................................. 10000 Schaltspiele
Kontaktdaten nach IEC 60947-5-1:
Bemessungsbetriebsspannung AC ....................................................................... 230 V....... 230 V
Gebrauchskategorie AC ........................................................................................ AC 13....... AC 14
Bemessungsbetriebsstrom AC ................................................................................. 5 A............ 3 A
Bemessungsbetriebsspannung DC ................................................... 220 V ....... 110 V.......... 24 V
Gebrauchskategorie DC ..................................................................... DC 12 ....... DC 12....... DC 12
Bemessungsbetriebsstrom DC ........................................................... 0,1 A ........ 0,2 A............ 1 A
Mindeststrom ..............................................................................................1 mA bei AC/DC
≥
10 V
Umwelt/EMV
EMV........................................................................................................................... nach IEC 61326
Arbeitstemperatur ............................................................................................... -25 ºC…+55 ºC
Führen Sie eine Funktionsprüfung mittels eines
echten Isolationsfehlers R
F
gegen Erde durch,
ggf. über einen dafür geeigneten Widerstand.
Technical data IR426-D47
( )* = factory setting
Insulation coordination acc. to IEC 60664-1/IEC 60664-3
Rated insulation voltage........................................................................................................... 250 V
Rated impulse voltage / Pollution degree............................................................................ 4 kV / 3
Protective separation (reinforced insulation) between:
.............................................................. (A1, A2) - (L1, L2, E, KE, T/R) - (11, 12, 14) - (21, 22, 24)
Voltage test acc. IEC 61010-1 ................................................................................................ 2.2 kV
Supply voltage
Supply voltage U
s
.............................................................................................. AC/DC 70…300 V
Frequency range U
s
..................................................................................................... 15…460 Hz
Power consumption ............................................................................................................... ≤4 VA
IT System being monitored
Nominal system voltage U
n
................................................................................ AC/DC 0… 132 V
Nominal frequency f
n
............................................................................................. DC, 42…62 Hz
Response values
Response value R
an1
(ALARM 1).......................................................... 10 kΩ…200 kΩ
(
50
kΩ
)∗
Response value R
an1
(ALARM 2).......................................................... 10 kΩ…200 kΩ
(
50
kΩ
)∗
Operating error
.............................................................................................
±
15 %
Hysteresis ............................................................................................................................. +25 %
Time response
Response time t
an
at R
F
= 0,5 x R
an
and C
e
= 1 μF ................................................................ ≤3 s
Starting delay t ........................................................................................................ 0…10 s (0 s)*
Response delay t
on
.................................................................................................. 0…99 s (0 s)*
Measuring circuit
Measuring voltage U
m
............................................................................................................
±
12 V
Measuring current I
m
(R
F
= 0Ω)......................................................................................
≤
100 μA
Internal d.c. resistance R
i
................................................................................................... ≥ 120 kΩ
Internal impedance Z
i
(50 Hz) ............................................................................................≥ 117kΩ
Admissible extraneous d.c. voltage U
fg
......................................................................... ≤ DC 132 V
System leakage capacitance C
e
............................................................................................ ≤ 20 μF
Displays, memory
Display ..................................................................... LC display, multi-functional, non-illuminated
Display range, measuring value ................................................................................ 1 kΩ…1 MΩ
Operating error (1…10 kΩ) ................................................................................................
±
1 kΩ
Percentage operating error (10 kΩ…1 MΩ) ......................................................................
±
15 %
Password ....................................................................................................... off / 0…999 (off, 1)*
Fault memory (alarm relay) ....................................................................................... on / off (off)*
Inputs
Cable length external test / reset button............................................................................. ≤ 10 m
Switching elements
Number of....................................................................................... 2 (changeover contacts K1, K2)
Operating principle K1/K2............................... (N/O operation) (N/C operation) (N/C operation)*
Electrical endurance ............................................................................ 10000 switching operations
Contact data according IEC 60947-5-1
Rated operational voltage AC ............................................................................... 230 V ....... 230 V
Utilization category AC ......................................................................................... AC 13 ....... AC 14
Rated operational current AC .................................................................................. 5 A ........... 3 A
Rated operational voltage DC ............................................................ 220 V....... 110 V ......... 24 V
Utilization category DC ...................................................................... DC 12....... DC 12 ....... DC 12
Rated operational current DC ............................................................ 0,1 A........ 0,2 A ........... 1 A
Minimum current ....................................................................................... 1 mA bei AC/DC
≥
10 V
Environment/EMC
EMC ....................................................................................................................... acc. to IEC 61326
Operating temperature ........................................................................................ -25 °C…+55 °C
It is recommended to carry out a functional test
using a genuine earth fault, e.g. via a suitable
resistance!
