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  9. Bender MRCDB423 Series User manual

Bender MRCDB423 Series User manual

Indended Use
The AC/DC sensitive MRCDB423 with the corresponding
CTUB101-CTBC… measuring current transformers are used
as additional protection in earthed systems (TN and TT sys-
tems) in which AC or DC fault currents may occur.
Connection voltages and technical requirements for opera-
ting the device are specified in the technical data.
Any use other than that described in this manual is regar-
ded as improper.
i
Part of the device documentation in addition to
this quick-start guide is the enclosed “Safety inst-
ructions for Bender products“ and the manual,
which can be downloaded at https://www.bender.
de/en/service-support/downloads.
Scope of delivery
MRCDB423, Mounting clip (1x), Quick-start guide DE/EN,
Safety instructions
Ordering information
AC/DC sensitive residual current device
i
Bestandteil der Gerätedokumentation sind neben
dieser Kurzanleitung die „Sicherheitshinweise für
Bender-Produkte“ und das dazugehörige Hand-
buch, das unter https://www.bender.de/service-
support/downloadbereich heruntergeladen werden
kann.
Lieferumfang
MRCDB423, Montageclip (1x), Quick-Start DE/EN, Sicher-
heitshinweise
Bestellangaben
Modell
Type
Versorgungsspannung Us
Supply voltage Us
Art.-Nr.
Art.-No.
Handbuch Nr.
Manual No.
MRCDB423-D-1 DC 9,6…94V / AC 42…460 Hz, 16…72V B94043055 D00396
MRCDB423-D-2 DC 70…300V / AC 42…460 Hz, 70…300V B94043056 D00396
Bestimmungsgemäße Verwendung
Die allstromsensitiven MRCDB423 mit den zugehörigen
Messstromwandlern CTUB101-CTBC… werden als zusätzli-
cher Schutz in geerdeten Systemen (TN- und TT-Systemen)
eingesetzt,indenenGleichfehlerströme oderWechselfehler-
ströme auftreten können.
Anschlussspannungen und technische Voraussetzungen
zum Betrieb des Geräts sind in den technischen Daten spe-
zifiziert.
Eine andere oder darüber hinausgehende Verwendung gilt
als nicht bestimmungsgemäß.
MRCDB423
Allstromsensitives modulares Fehlerstromgerät
MRCDB423_D00396_00_Q_DEEN.pdf
36
2
2
45
67,5
93
74
Kurzanleitung / Quick-start guide
Mounting
Wiring
Terminal Connections
A1, A2 Connection of supply voltage Us
1Socket for connection cable of measuring CT
T/R Connection for an external test and reset button
11, 12, 14 Alarm relay K1 (Alarm)
21, 22, 24 Alarm relay K2
i
When installing the measuring current transformer, please
refer to the manual of the measuring current transformer.
Montage
Anschluss
Klemme Anschlüsse
A1, A2 Anschluss derVersorgungsspannung Us
1Buchse für Anschlussleitung zum Messstromwandler
T/R Anschluss für eine externeTest- und Reset-Taste
11, 12, 14 Alarm-Relais K1 (Alarm)
21, 22, 24 Alarm-Relais K2
i
Bei der Installation des Messstromwandlers ist das Hand-
buch des Messstromwandlers zu beachten.
> U
F 6A
L1
L2
L3
N
~
3~
CTBCx CTUB101
+12V -12V TGND
S1(k) S2(l)
CTX...
MRCDB423
Variante A / Option A:
Montage auf Hutschiene / DIN rail mounting
Variante B / Option B:
Schraubbefestigung / Screw mounting
&2 x
1 x
100 mm
107 mm
Click
M4
M4
!
1.
2.
3. Click!
2 MRCDB423_D00396_00_Q_DEEN.pdf
MRCDB423
Bedienung und Einstellung Operation and settings
LEDs
Bedeutung ON AL1 AL2 Description
Fehlermeldung (Systemfehler) Error message (system error)
Vorwarnung IΔn1 erreicht Prewarning IΔn1 reached
Meldung,Test oder
Ansprechdierenzstrom IΔn2 erreicht
Message,Test or
Residual op. current IΔn2 reached
Taste
Bedeutung Key Description
Standardanzeige: (> 2 s): Display Test,
Selbsttest
Menüanzeige: AUFwärts-Taste (< 1 s)
T

Standard display: (> 2 s): Display Test,
self-test
Menu display: Arrow-UP button (< 1 s)
Standardanzeige: Reset-Taste; (> 2 s):
Löschen des Fehlerspeichers
Menüanzeige: ABwärts-Taste (< 1 s)
R

Standard display: Reset button; (> 2 s):
Erase fault memory
Menu display: Arrow-DOWN button (< 1 s)
Standardanzeige:
Menüanzeige: ENTER-Taste
• Bestätigen von Menü-Punkten und Werten
• Zurück zur nächsthöheren Menü-Ebene.
MENU
(<1s)
(>2s)
Standard display:
Menu display: ENTER button
• Conrm menu items and values
• Back to the next higher menu level
I∆n
AL2AL1
Menübersicht Menu overview
Standardbetrieb
Standard operation
Menüauswahl
Menu selection
Parametereingabe
Parameter input
2
PIN
P1
. . .
Pn
ESC
2
Idn
t
SEt
InF
HiS
ESC
2
M
A
m
1x
AL1
AL2
Reset
2
M
A
m
AL1 AL2
M
H
y
s
oont
A
m
k
s
>
>
n
1
2
R
l
.
Test
2
M
A
m
MRCDB423
MRCDB423_D00396_00_Q_DEEN.pdf 3
Technical data
Supply voltage
MRCDB42-D-1
Supply voltage range Us......................... AC 24…60 V / DC 24…78 V
Frequency range Us....................................................DC, 42…460 Hz
Power consumption................................................................≤ 6.5 VA
MRCDB42-D-2
Supply voltage range Us........................................AC, DC 100…250 V
Frequency range Us....................................................DC, 42…460 Hz
Power consumption................................................................≤ 6.5 VA
Measuring circuit
External measuring CT type .................................CTUB101 - CTBC...(P)
Rated voltage (meas. current transformer)..................................800 V
Operating characteristics acc. to IEC 60755................................ Type B
Rated frequency................................................................0…2000 Hz
Operative uncertainty............................................................0…35 %
Response values
Rated residual operating current......................30 mA…3 A (30 mA)*
Response delay..............................................................0…10 s (0 s)*
Switching elements
Switching elements.....................................2 x 1 changeover contacts
Operating prinziple ....................................................... N/C operation
Electrical endurance, number of cycles.............................10000 cycles
Contact data acc. to IEC 60947-5-1:
Utilisation category................. AC-13 AC-14 DC-12 DC-12 DC-12
Rated op. voltage.....................230 V 230 V 24 V 110 V 220 V
for UL.......................................200 V 200 V 24 V 110 V 200 V
Rated op. current.......................5 A 3 A 1 A 0.2 A 0.1 A
Connection
Connection type.................................................. screw-type terminals
Connection properties
Multi-conductor connection (2 conds. with the same cross section):
rigid/flexible................................................................. 0.2…1.5 mm²
Stripping length....................................................................8…9 mm
Tightning torque............................................................. 0.5…0.6 Nm
()* Factory settings
Technische Daten
Versorgungsspannung
MRCDB42-D-1
Versorgungsspannungsbereich Us.......... AC 24…60 V / DC 24…78 V
Frequenzbereich Us....................................................DC, 42…460 Hz
Eigenverbrauch.......................................................................≤ 6,5 VA
MRCDB423-D-2
Versorgungsspannungsbereich Us.........................AC/DC 100…250 V
Frequenzbereich Us....................................................DC, 42…460 Hz
Eigenverbrauch ......................................................................≤ 6,5 VA
Messkreis
Messstromwandler extern Typ.............................CTUB101 - CTBC...(P)
Bemessungsspannung (Messstromwandler) ..............................800 V
Ansprechcharakteristik nach IEC 60755 ....................................... Typ B
Bemessungsfrequenz .......................................................0…2000 Hz
Betriebsmessunsicherheit .....................................................0…35 %
Ansprechwerte
Ansprechdifferenzstrom, ..................................30 mA…3 A (30 mA)*
Ansprechverzögerung....................................................0…10 s (0 s)*
Schaltglieder
Schaltglieder .................................................................2 x 1 Wechsler
Arbeitsweise ...................................................................... Ruhestrom
Elektrische Lebensdauer ........................................ 10000 Schaltspiele
Kontaktdaten nach IEC 60947-5-1:
Gebrauchskategorie................ AC-13 AC-14 DC-12 DC-12 DC-12
Bem.betriebsspannung............230 V 230 V 24 V 110 V 220 V
für UL.......................................200 V 200 V 24 V 110 V 200 V
Bem.betriebsstrom....................5 A 3 A 1 A 0,2 A 0,1 A
Anschluss
Anschlussart................................................................ Schraubklemme
Anschlussvermögen
Mehrleiteranschluss (2 Leiter gleichen Querschnitts):
starr/flexibel ................................................................ 0,2…1,5 mm²
Abisolierung..........................................................................8…9 mm
Drehmoment .................................................................. 0,5…0,6 Nm
()* Werkseinstellungen
MRCDB423
Alle Rechte vorbehalten.
Nachdruck und Vervielfältigung
nur mit Genehmigung des Herausgebers.
Bender GmbH & Co. KG
Postfach 1161 • 35301 Grünberg • Deutschland
Londorfer Str. 65 • 35305 Grünberg • Deutschland
Tel.: +49 6401 807-0 • Fax: +49 6401 807-259
E-Mail: [email protected] • www.bender.de
All rights reserved.
Reprinting and duplicating
only with permission of the publisher.
Bender GmbH & Co. KG
PO Box 1161 • 35301 Grünberg • Germany
Londorfer Str. 65 • 35305 Grünberg • Germany
Tel.: +49 6401 807-0 • Fax: +49 6401 807-259
E-Mail: [email protected] • www.bender.de

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