Bender NGRM500 Quick Start Manual Download | Manualshive

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Quick-start guide EN

NGRM5xx_D00373_08_Q_XXEN/11.2022

NGRM500 (HRG)

NGRM550 (LRG)

Neutral Grounding Resistor Monitor (NGR)

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Summary of Contents for NGRM500

Page 1: ...Quick start guide EN NGRM5xx_D00373_08_Q_XXEN 11 2022 NGRM500 HRG NGRM550 LRG Neutral Grounding Resistor Monitor NGR ...

Page 2: ...lation Destruction of the device Before installing the device and before working on its connections make sure that the installation has been de energized Observe the rules for working on electrical installations Quick start guide for Type Supply voltage Frequency range US Art No Manual NGRM500 AC 48 240V 40 70 Hz DC 48 240V B94013500 D00373 NGRM550 B94013550 Enclosure view front top bottom SERVICE...

Page 3: ... 50m 6A AC DC 48 240 V 6A 11 12 14 21 22 24 31 32 34 Circuit breaker NGR fault Ground fault Trip Connection X1 I1 I2 I3 A B M Q2 Q1 I1 Digital 1 configurable pulser NGR method I2 Reset IN I3 Test IN A Modbus RTU A B Modbus RTU B Common M Analog output Q2 Open collector Pulser OUT Q1 Open collector Device health Output for supply of external relays 24V max 100 mA NGRM500 HRG NGRM550 LRG NGRM5xx_D00...

Page 4: ... Hz 50 60 Hz 50 60 Hz Transformation ratio Bender measuring current transformer Measuring range see CTUB103 manual 5 A 100 1 10 A 200 1 25 A 500 1 600 1 Connecting cable max 30 m max 40 m max 25 m 4 mm AWG 12 max 40 m 6 mm AWG 10 provided cable or 0 75 1 5 mm AWG 18 16 I Δn Type CTUB103 CTAC WS CTB31 51 Any standard current transformer can be used CT terminal k NGRM5 50 mA NGRM5 50 mA NGRM5 5 A NG...

Page 5: ...tion Software information Clock and date information Ethernet information Ground fault relay NGR relay Trip relay Analogue Digital in out Buzzer Mode Relay test Mode Relay test Mode Relay test Device OUT Pulser OUT Digital 1 Reset IN Test IN Buzzer alarm Buzzer test Mode Function UNGR Trip INGR Trip RNGR RNGR HRG only tNGR trip GF trip tGF trip Alarm stored trestart Max no of restarts Trip signal ...

Page 6: ...old for current INGR Trip threshold for resistance RNGR i Low trip threshold values may lead to false trip ping High trip threshold values the device may not trip at all HRG system Recommended minimum value RNGR tripping level 50 Temperature range 40 60 C Field calibration at 20 C CD1000 CD1000 2 CD1000 2 CD5000 CD14400 CD25000 Usys 400V 600V 690V 1000V 2400V 4200V 6000V 6600V 7200V 11000V 14400V ...

Page 7: ...U over the entire fre quency range up to approx 3 8 kHz Fundamental frequency Only the RMS value of the fundamental frequency 50 or 60 Hz Harmonics The filtered RMS value on the selected range of harmonics with H0 DC H1 fundamental frequency H2 2 x funda mental frequency H32 32 x fundamental frequency i In the Harmonics measured value display menu 2 all spectral lines are always displayed This is ...

Page 8: ... Co KG PO Box 1161 35301 Grünberg Germany Londorfer Str 65 35305 Grünberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E mail info bender de www bender de UL File Numbers E493737 E173157 Technical data Rated voltage 250 V Overvoltage category III Nominal supply voltage Us AC DC 48 240 V for UL applications AC DC 48 240 V for AS NZS 2081 applications AC DC 48 230 V Tolerance Us 15 Tolerance Us for...

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