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Sun Nov 19 22:22:27 2017
Sun Nov 19 22:22:27 2017
ISOMETER® isoEV425 with AGH420

ISOMETER® isoEV425 with AGH420

  • Insulation monitoring device for AC 690 V and DC 1000 V IT systems
  • Monitoring of DC charging stations for electric and hybrid vehicles
  • Settings in accordance with IEC 61851-23
  • Parameter settings by the customer not required

The ISOMETER® of the isoEV425 series monitor the insulation resistance of unearthed DC-charging stations for electric vehicles (IT systems) DC 0…1100 V DC from the charging station to the motor (AC 0…793 V).

Due to a separate supply voltage de-energised systems can also be monitored.

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  • Insulation monitoring for DC charging stations (mode 4 according to IEC 61851-1/CD 61851-12) for charging of electric vehicles
  • Nominal system voltage DC 0…1100 V and AC 0…793 V
  • Two factory-set response values
  • Leakage capacitance ≤ 5 μF
  • Continuous monitoring of system/earth connections
  • LEDs: Power On, Alarm 1, Alarm 2
  • Internal test/reset button
  • Two alarm relays with common root (one N/O contact each)
  • N/O or N/C operation, selectable
  • Fault memory behaviour, selectable
  • Self monitoring with automatic alarm
  • Multi-functional LC display
  • RS-485 interface
  • Compact two-module enclosure (36 mm) plus coupling in two-module enclosure
  • Quick wiring by push-wire terminals
  • DC charging stations for electric vehicles according to CD IEC 61851-23

 

Optional accessories for ISOMETER® isoEV425 with AGH420


TypeArt. No.
Mounting clip for screw mounting (1 piece per device)B98060008

Variants of ISOMETER® isoEV425 with AGH420


TypeNominal system voltage* UnSupply voltage* USResponse value RanSystem leakage capacitance CeArt. No.**
isoEV425-D4 mit AGH420DC 0…1000 V / AC 15…460 Hz, 0…793 VDC 22…250 V / AC 42…460 Hz, 90…250 V100 kΩ / 300 kΩ≤ 5 μFB71036401
B91036401
Device version with screw terminals on request.
* Absolute values
**(B7… = push-wire terminal / B9… = screw-type terminal)

Downloads for ISOMETER® isoEV425 with AGH420

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