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Innovative technologies for safe handling of electrical power to achieve high availability

We offer you first-class quality and safety combined with global service and every support in resolving your monitoring problems.

  • Electrical safety for unearthed power supplies (IT systems)
  • Insulation monitoring equipment, insulation fault location systems
  • Power supplies for medical applications
  • Measuring and monitoring relays
  • Electrical safety for earthed power supplies (TN systems)
  • Using renewable energies efficiently: wind power, photovoltaics
  • Test systems for electrical equipment and medical technology

Neutral Grounding Resistance (NGR) Monitoring

The idea of a neutral grounding resistor is to limit the maximum fault current in order to avoid damages and hazards caused by ground faults. Since the system is technically grounded (e.g. High Resistance Grounding) protective relays will work properly.

Early detection of a change in the NGR value provides the ability to plan repair and indicates previously unknown hazards.

Neutral Grounding Resistor Monitors measure voltage, current, continuity of the NGR connection and phase-to-ground voltage. This information helps to plan maintenance and enhance system availability.

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10 Products found

LINETRAXX® NGRM500

Monitor for use in high-resistance grounded systems

LINETRAXX® NGRM550

Monitor for use in low-resistance grounded systems

LINETRAXX® NGRM700

The advanced Neutral Grounding Resistor Monitor for sophisticated applications

LINETRAXX® NGRM750

Monitor for use in low-resistance grounded systems

LINETRAXX® CTUB103
LINETRAXX® CTUB103

AC/DC sensitive measuring current transformer

CD1000
CD1000

Coupling device for HRG applications up to AC 690 V and/or DC 400 V

CD1000-2
CD1000-2

Coupling device for HRG applications up to AC 1000 V and/or DC 690 V.

CD25000
CD25000

Coupling device for HRG applications up to AC 25 kV and/or DC 14.5 kV

CD5000
CD5000

Coupling device for HRG applications up to AC 4300 V and/or DC 2500 V.

CD14400
CD14400

Coupling device for HRG applications up to a system voltage of 14400 V

LINETRAXX® NGRM500

Monitor for use in high-resistance grounded systems

Details
LINETRAXX® NGRM550

Monitor for use in low-resistance grounded systems

Details
LINETRAXX® NGRM700

The advanced Neutral Grounding Resistor Monitor for sophisticated applications

Details
LINETRAXX® NGRM750

Monitor for use in low-resistance grounded systems

Details
LINETRAXX® CTUB103
LINETRAXX® CTUB103

AC/DC sensitive measuring current transformer

Details
CD1000
CD1000

Coupling device for HRG applications up to AC 690 V and/or DC 400 V

Details
CD1000-2
CD1000-2

Coupling device for HRG applications up to AC 1000 V and/or DC 690 V.

Details
CD25000
CD25000

Coupling device for HRG applications up to AC 25 kV and/or DC 14.5 kV

Details
CD5000
CD5000

Coupling device for HRG applications up to AC 4300 V and/or DC 2500 V.

Details
CD14400
CD14400

Coupling device for HRG applications up to a system voltage of 14400 V

Details