
10 isoMED427_D00394_00_M_DEEN / 04.2019
isoMED427
Anzeigen, Speicher
Anzeige LC-Display .......................................................................... multifunktional, unbeleuchtet
Messwert Isolationswiderstand ................................................................................ 10 kΩ…1 MΩ
Betriebsmessunsicherheit ...................................................................................... ± 10 %, ± 2 kΩ
Messwert Laststrom (in % vom eingestellten Ansprechwert) ..............................10 %…199 %
Betriebsmessunsicherheit ....................................................................................... ± 5 %, ± 0,2 A
Passwort ................................................................................................. on, off / 0…999 (off, 0)*
Schnittstelle
Schnittstelle/Protokoll ............................................................................................... RS-485 / BMS
Baudrate ............................................................................................................................ 9,6 kBit/s
Leitungslänge .............................................................................................................. 0…1200 m
Leitung (paarweise verdrillt, geschirmt, Schirm einseitig an PE) .....................................................
................................................................................................... empfohlen J-Y(St)Y min. n x 2 x 0,8
Abschlusswiderstand .................................................................. 120 Ω (0,25 W), intern, schaltbar
Geräteadresse, BMS-Bus .............................................................................................. 2…90 (3)*
Schnittstellen für Messstromwandler STW2 und Temperatur-
fühler
Leitungslängen:
Einzeldraht > 0,5 mm² ........................................................................................................... ≤1 m
Einzeldraht, verdrillt > 0,5 mm² .......................................................................................... ≤10 m
Paarweise verdrillt, geschirmt > 0,5 mm² .......................................................................... ≤40 m
Empfohlene Leitung .................................................. min. J-Y(St)Y 2x0,6; Schirm einseitig an PE
Schaltglieder
Anzahl ............................................................................................................................. 1 Wechsler
Arbeitsweise ................................................................... Ruhestrom / Arbeitsstrom (Ruhestrom)*
Elektrische Lebensdauer bei Bemessungsbedingungen ................................. 10.000 Schaltspiele
Kontaktdaten nach IEC 60947-5-1
Gebrauchskategorie ..................................... AC-13 ...... AC-14.......DC-12 ...... DC-12....... DC-12
Bemessungsbetriebsspannung .................... 230V ....... 230 V ..........24V ....... 110V....... 220 V
Bemessungsbetriebsstrom ............................... 5A ........... 3A ............1 A ........ 0,2A........ 0,1 A
Minimale Kontaktbelastbarkeit ................................................................... 1 mA bei AC / DC 10 V
Umwelt / EMV
EMV ........................................................................................................................... IEC 61326-2-4
Arbeitstemperatur ............................................................................................... -25 °C…+55 °C
Klimaklassen nach IEC 60721:
Ortsfester Einsatz (IEC 60721-3-3) ..................................... 3K5 (ohne Betauung und Eisbildung)
Transport (IEC 60721-3-2) ................................................ 2K11 (ohne Betauung und Eisbildung)
Langzeitlagerung (IEC 60721-3-1) ................................... 1K22 (ohne Betauung und Eisbildung)
Mechanische Beanspruchung nach IEC 60721:
Ortsfester Einsatz (IEC 60721-3-3) .......................................................................................... 3M4
Transport (IEC 60721-3-2) ....................................................................................................... 2M4
Langzeitlagerung (IEC 60721-3-1) ........................................................................................ 1M12
Anschluss
Anschlussart.......................................................................................................... Federklemmen
Anschlussvermögen:
starr .............................................................................................. 0,2…2,5 mm2(AWG 24…14)
flexibel ohne Aderendhülse ...................................................... 0,75…2,5 mm2(AWG 19…14)
flexibel mit Aderendhülse ........................................................... 0,2…1,5 mm2(AWG 24…16)
Abisolierlänge........................................................................................................................ 10 mm
Öffnungskraft ............................................................................................................................ 50 N
Testöffnung, Durchmesser ................................................................................................... 2,1 mm
Sonstiges
Betriebsart .................................................................................................................... Dauerbetrieb
Gebrauchslage ..................................................................................................................... beliebig
Schutzart Einbauten ........................................................................................ (DIN EN 60529) IP30
Schutzart Klemmen ........................................................................................ (DIN EN 60529) IP20
Gehäusematerial ......................................................................................................... Polycarbonat
Entflammbarkeitsklasse ..................................................................................................... UL94V-0
Schraubbefestigung ............................................................................................................... 2 x M4
Schnellbefestigung auf Hutprofilschiene ......................................................................... IEC 60715
Software-Version ............................................................................................................. D643 V1.0x
Gewicht .................................................................................................................................... 150 g
( )* = Werkseinstellung
Displays, memory
LC display....................................................................................... multifunctional, not illuminated
Measured value insulation resistance........................................................................10 kΩ…1 MΩ
Operating uncertainty .............................................................................................± 10 %, ± 2 kΩ
Measured value load current (as % of the set response value) ............................. 10 %…199 %
Operating uncertainty ............................................................................................ ± 5 %, ± 0.2 A
Password.................................................................................................. on, off / 0…999 (off, 0)*
Interface
Interface/protocol........................................................................................................RS-485 / BMS
Baud rate .......................................................................................................................... 9.6 kbit / s
Cable length................................................................................................................... 0…1200 m
Cable (twisted pair, shielded, shield connected to PE at one end).....................................................
............................................................................................. recommended J-Y(St)Y min. nx 2 x 0.8
Terminating resistor ...............................................................120 Ω (0.25 W), internal, switchable
Device address, BMS bus.............................................................................................. 2…90 ( 3)*
Interfaces for measuring current transformer STW2 and tem-
perature sensor
Cable lengths:
Single wire > 0.5 mm² .......................................................................................................... ≤1 m
Single wire, twisted > 0.5 mm² ......................................................................≤ 10 m
Twisted pair, shielded > 0.5 mm²....................................................................≤ 40 m
Recommended cable.............................. min. J-Y(St)Y 2x0.6; Shield on one side connected to PE
Switching elements
Number............................................................................................................1 changeover contact
Operating principle ............................................ N/C operation / N/O operation (N/C operation)*
Electrical endurance .....................................................................................................10.000 cycles
Contact data acc. to IEC 60947-5-1
Utilisation category ..................................... AC -13..... AC -14 ...... DC-12...... DC-12...... DC-12
Rated operational voltage.............................. 230V ........230V ..........24V ........110V ........220 V
Rated operational current ...................................5 A............3 A ............1 A.........0.2 A .........0.1 A
Minimum contact load.................................................................................... 1 mA at AC / DC 10 V
Environment / EMC
EMC ............................................................................................................................IEC 61326-2-4
Operating temperature ........................................................................................ -25 °C…+55 °C
Classification of climatic conditions acc. to IEC 60721:
Stationary use (IEC 60721-3-3) ..........................3K5 (except condensation and formation of ice)
Transport (IEC 60721-3-2).................................2K11 (except condensation and formation of ice)
Long-term storage (IEC 60721-3-1) ................1K22 (except condensation and formation of ice)
Classification of mechanical conditions acc. to IEC 60721:
Stationary use (IEC 60721-3-3) .................................................................................................3M4
Transportation (IEC 60721-3-2) ................................................................................................2M4
Long-time storage (IEC 60721-3-1) ....................................................................................... 1M12
Connection
Connection type ......................................................................................... push-wire terminals
Connection properties:
Rigid ............................................................................................. 0.2…2.5 mm2(AWG 24…14)
Flexible without ferrules............................................................. 0.75…2.5 mm2(AWG 19…14)
Flexible with ferrules.................................................................... 0.2…1.5 mm2(AWG 24…16)
Stripped length ..................................................................................................................... 10 mm
Opening force ............................................................................................................................. 50 N
Test opening, diameter ........................................................................................................ 2.1 mm
Other
Operating mode ..............................................................................................continuous operation
Position of normal use.................................................................................................................. any
Degree of protection, internal components .................................................... (DIN EN 60529) IP30
Degree of protection, terminals ......................................................................(DIN EN 60529) IP20
Enclosure material.......................................................................................................polycarbonate
Flammability class............................................................................................................... UL94V-0
Screw mounting..................................................................................................................... 2 x M4
DIN rail mounting acc. to ...................................................................................................IEC 60715
Software version................................................................................................................ D643 V1.0x
Weight .................................................................................................................................... 150 g
( )* = factory setting