Neutral grounding resistor monitoring · NGR
LINETRAXX® NGRM500
Condition monitoring of the neutral grounding resistor in high-resistance grounded (HRG) systems.
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Neutral grounding resistor monitoring · NGR
NGRM devices monitor the neutral grounding resistor (NGR), neutral-to-earth voltage and current in HRG/LRG systems.
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Neutral grounding resistor monitoring · NGR
LINETRAXX® NGRM550
Device monitoring neutral grounding resistance, current and voltage in low-resistance-grounded LRG systems.
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Neutral grounding resistor monitoring · NGR
LINETRAXX® NGRM700
Monitoring NGR resistance, neutral current and voltage in high-resistance-grounded systems.
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Neutral grounding resistor monitoring · NGR
LINETRAXX® NGRM750
Neutral grounding resistor monitor with a detachable HMI display for LRG systems.
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Neutral grounding resistor monitoring · NGR
LINETRAXX® CTUB103
Type B transformer group converting AC/DC residual and fault currents into measurement signals for NGR monitoring devices.
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Neutral grounding resistor monitoring · NGR
CD1000
Coupling device for monitoring HRG systems up to AC 690 V with an NGR monitor.
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Neutral grounding resistor monitoring · NGR
CD1000-2
Coupling device extending the voltage range of an NGR monitor in HRG applications.
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Neutral grounding resistor monitoring · NGR
CD25000
Coupling device connecting an NGR monitor to HRG systems up to 25 kV line-to-line voltage.
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Neutral grounding resistor monitoring · NGR
CD5000
NGR coupling device for HRG systems up to AC 4300 V line-to-line voltage.
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Neutral grounding resistor monitoring · NGR
CD14400
Coupling device connecting an NGR monitor to HRG systems up to 14.4 kV.
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BENDER TECHNICAL DOCUMENTS
Brochures, data sheets and manuals.
ADEO Teknik supports product selection with original manufacturer publications as the Bender distributor in Türkiye.
Bender product group publication
Bender electrical safety portfolio
General portfolio introduction covering insulation monitoring, residual current monitoring, relays and system components.
English · 36 pages · 5.3 MBFind technical documentation by model.
10 models / series · 10 PDF links
LINETRAXX® NGRM5001 PDF · English
LINETRAXX® NGRM5501 PDF · English
LINETRAXX® NGRM7001 PDF · English
LINETRAXX® NGRM7501 PDF · English
LINETRAXX® CTUB1031 PDF · English
CD10001 PDF · English
CD1000-21 PDF · English
CD250001 PDF · English
CD50001 PDF · English
CD144001 PDF · English
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BENDER PRODUCT GROUP GUIDE
Define the neutral grounding resistor monitoring duty
NGR (Neutral Grounding Resistor) is the resistor between neutral and earth; NGRM (Neutral Grounding Resistor Monitor) monitors this resistor and related current and voltage. Select NGRM500/700 for HRG and NGRM550/750 for LRG within their documented scope. This differs from monitoring insulation resistance in an IT system.
Explore related models ↓ Explore the product group ↓Start with the earthing arrangement
Neutral grounding resistance and circuit topology determine the monitored quantities and device selection.
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Evaluate resistance, voltage and current monitoring functions by model. Use the current technical document on the relevant product page.
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The general portfolio publication below introduces Bender's approach to electrical safety. For technical selection specific to the NGR group, refer to the model documents.
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Product selection and quotation request ↗Product group explanation: adapted from Bender’s original publication. Related manufacturer publication ↗
Neutral grounding resistor monitoring · NGR · Bender introductions
As the Bender distributor in Türkiye, ADEO Teknik supports product selection with original manufacturer portfolio and introductory publications. NGR resistance, voltage and current monitoring in resistance-grounded systems.
BENDER PRODUCT GROUP PUBLICATION
Bender electrical safety portfolio
General portfolio introduction covering insulation monitoring, residual current monitoring, relays and system components.
Original English PDF · 36 PDF pages · 5.1 MBDownload PDF ↓ · Bender source ↗