LINETRAXX® NGRM700

LINETRAXX® NGRM700

  • Volledig configureerbaar
  • Ontworpen voor eenvoudige retrofit
  • Meertalige gebruikersinterface
  • Kan werken in systemen op 5000 m boven zeeniveau zonder derating

De NGRM700 is een geavanceerd apparaat waarmee de NGR-bewaking alle nodige informatie over de aarding van het systeem kan bieden. De NGRM700 bewaakt de weerstandswaarde van de nulgeleiderweerstand (NGR) naar aarde en de foutstroom die door de NGR vloeit in HRG-systemen (High Resistance Grounded).

Het relais kan worden aangesloten op het visualisatiesystemen of rechtstreeks op het communicatienetwerk.

Met de NGRM700 kan de gebruiker aan de lokale vereisten voldoen.

  • Kenmerken
  • Accessoires
  • Bestelgegevens
  • Downloads
  • Determination of RNGR with passive and active measurement methods
  • Continuous monitoring of the RNGR even if the installation is de-energised;
  • Alarm or trip on ground fault
  • Monitoring of the current INGR
  • Monitoring of the voltage UNGR
  • Phase-to-ground fault indication (optional; up to 690 V direct coupling, otherwise via potential transformers)
  • Ethernet communication
  • Web server
  • Language selection (German, English GB and US, Spanish, French)
  • Test button (internal, external) with/without tripping
  • FFT analysis of the measuring signals
  • Pulser for manual ground fault location
  • Relay for detection of ground faults and resistor faults
  • Relay for shutdown of the installation after a configurable time
  • Can be combined with RCMS… for automatic shutdown of feeders
  • Graphical user interface
  • Wide supply voltage range (24 to 240 Vac/Vdc)
  • Range of use up to 5000 m AMSL
  • Fault/History memory
  • Analogue output of measured values (0…10 V, 4…20 mA, etc., selectable parameters)
  • Detachable HMI for door mounting
  • Password protection
  • Tripping on RMS, fundamental component signal or harmonics
  • Detection of AC and DC ground faults

Optionele accessoires voor LINETRAXX® NGRM700

CD-series coupling device
Voltage UsysTypeArt. No.
400…690 VCD1000B98039010
400…1000 VCD1000-2B98039053
1000…4200 VCD5000B98039011
4300…14550 VCD14400B98039054
14551…25000 VCD25000B98039055


Measuring current transformer

Voltage/CurrentTypeArt. No.
AC up to 10 AW20 B98080003
AC up to 25 AW35
W60
W0-S20
W1-S35
W2-S70
B98080010
B98080018
B911787
B911731
B911732
AC/DC up to 10 ACTUB103-CTBC35B78120030
AC/DC up to 25 ACTUB103-CTBC60
CTUB103-CTBC120
B78120031
B78120032


Voltage supply for measuring current transformers CTUB103…

Typemax. connected measuring current transformersArt. No.
STEP-PS/1 AC/24 DC/0.52B94053110
STEP-PS/1 AC/24 DC/1.757B94053111
STEP-PS/1 AC/24 DC/4.217B94053112

Varianten van LINETRAXX® NGRM700


TypeSupply voltage US/Frequency range HzArt. No.
NGRM700AC 24…240 V, 40…70 Hz
DC 24…240 V
B94013700
Accessory for FP200-NGRM: Transparent front cover 144x72 (for IP65)*B98060005
*When using the "transparent front cover 144x72 (IP 65)" the cutout in the switchboard cabinet must be extended in height from 66 mm to 68 mm (+0.7/-0 mm).
The degree of protection IP65 applies only to the user interface FP200-NGRM when using the front cover. The degree of protection for the complete device is still IP30.

Downloads voor LINETRAXX® NGRM700

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