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Resistance Grounded Systems (HRG/LRG)

Neutral Grounding Resistors (NGRs) are used to limit the maximum ground-fault current. Restriction of fault current lowers hazards and reduces damage done to equipment. High Resistance Grounding (HRG) systems are often used on industrial and critical power applications to maintain system uptime during a first ground fault. HRG systems are also used in tripping applications to help control touch potential on portable loads and improve personnel safety.

Bender Low Resistance Grounding (LRG) solutions reduce the current to 100 A and higher. Customers requiring higher ground-fault current for older, less sensitive ground-fault relays can retrofit a Bender LRG into the application.

Advanced HRG and LRG packages include neutral grounding resistor monitors to measure neutral voltage, ground-fault current, continuity of the NGR connection to ground, and may also include phase voltage indication and feeder level fault location.

Product overview

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14 Products found

HRG Series 1

HRG Series 1 integrates a neutral-grounding resistor assembly

HRG Series 2

BHRG Series 2 HRG systems integrate a neutral-grounding resistor

HRG Series 3

Integrates a neutral-grounding resistor assembly with pulsing function and NGR monitoring

LINETRAXX® NGRM500

Monitor for use in high-resistance grounded systems

LINETRAXX® NGRM550

Monitor for use in low-resistance grounded systems

LINETRAXX® NGRM700

Monitor for use in high-resistance grounded systems

LINETRAXX® NGRM750

Monitor for use in low-resistance grounded systems

LINETRAXX® CTUB103
LINETRAXX® CTUB103

AC/DC sensitive measuring current transformer

RC48N
RC48N

Basic Neutral Grounding Resistor Monitor

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

HRG Series 1

HRG Series 1 integrates a neutral-grounding resistor assembly

Details
HRG Series 2

BHRG Series 2 HRG systems integrate a neutral-grounding resistor

Details
HRG Series 3

Integrates a neutral-grounding resistor assembly with pulsing function and NGR monitoring

Details
LINETRAXX® NGRM500

Monitor for use in high-resistance grounded systems

Details
LINETRAXX® NGRM550

Monitor for use in low-resistance grounded systems

Details
LINETRAXX® NGRM700

Monitor for use in high-resistance grounded systems

Details
LINETRAXX® NGRM750

Monitor for use in low-resistance grounded systems

Details
LINETRAXX® CTUB103
LINETRAXX® CTUB103

AC/DC sensitive measuring current transformer

Details
RC48N
RC48N

Basic Neutral Grounding Resistor Monitor

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