Bender NGRM700 (HRG) Quick Start Manual
Neutral grounding resistor monitor (ngr)
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- Manual (80 pages) ,
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- Manual (9 pages)
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Summary of Contents for Bender NGRM700 (HRG)
- Page 1 NGRM700 (HRG) NGRM750 (LRG) Neutral Grounding Resistor Monitor (NGR) NGRM7xx_D00292_07_Q_XXEN/11.2022 Quick-start guide EN...
- Page 2 (voltage drop across the NGR), electRical installatiOns • the condition of the NGR, • line-to-line and line-to-earth voltages. This quick-start guide does not replace the operating manual of the device. Download: www.bender.de/manu- Quick-start guide for Supply voltage/Frequency range U Type Art. No.
- Page 3 NGRM700 (HRG), NGRM750 (LRG) Dimension diagram basic device Dimension diagram FP200-NGRM 3 (0.12) Mounting 5.8 (0.23) 144 (5.67) position 35.6 (1.40) 135.5 (5.33) 66+0,5/-0 mm* 2.60+0,02/-0 in* 205 (8.07) 211 (8.31) 230 (9.06) 245 (9.65) * IP 65: 68+0,7/-0 mm 2,68+0,03/-0 in Connection ≤...
- Page 4 50/60 Hz 50/60 Hz Measuring range (see CTUB103 manual) Transformation ratio of 5 A 100:1 600:1 Bender measuring current 10 A 200:1 transformer 25 A 500:1 max. 30 m max. 40 m max. 25 m (4 mm²/AWG 12) provided cable Connecting cable max.
- Page 5 NGRM700 (HRG), NGRM750 (LRG) Menu overview , Method, R NGR rel sense, rms rel rms rel, fund 1. Data meas. values fund rel fund fund rel, harm harm rel harm harm rel, L1L2 L2L3 , f, U L3L1 1-E rms 2-E rms 3-E rms 2.
- Page 6 NGRM700 (HRG), NGRM750 (LRG) HRG system: Recommended minimum value () = Limited temperature range at any field calibration tem- (tripping level 50 %) perature ±20 K The temperatures must be within the limits of the operating Temperature range –40…+70 °C, temperature range of –40…+70 °C Field calibration at 20 °C [for UL applications –40…+60 °C].
- Page 7 NGRM700 (HRG), NGRM750 (LRG) 2. System settings of the relays (menu 6.6) 5. Initial measurement The factory setting for the relays is fail-safe. During device start, all measured values are recorded. In the case of a test, the relays change state. Factory settings Fail-safe: The relay is energized during normal op- eration and is de-energized...
- Page 8 Nachdruck und Vervielfältigung Reprinting and duplicating nur mit Genehmigung des Herausgebers. only with permission of the publisher. Bender GmbH & Co. KG Bender GmbH & Co. KG Postfach 1161 • 35301 Grünberg • Deutschland PO Box 1161 • 35301 Grünberg • Germany Londorfer Str.
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