Bender NGRM700 Manual de inicio rápido - Página 6

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Recommended minimum value

Temperature range –40...+70 °C, field calibration at 25 °C

(Limited temperature range 0...+40 °C, field calibration at 25 °C)

CD1000/CD1000-2 CD1000-2

400 V 600 V 690 V

sys

NGR

1 A

231 Ω 346 Ω 398 Ω

46 Ω

69 Ω

5 A

(23 Ω) 35 Ω

10 A

(15 Ω) (23 Ω) (27 Ω)

15 A

—

(17 Ω) (20 Ω)

20 A

—

25 A

30 A

—

40 A

—

50 A

—

100 A

—

Maximum trip times t(GFtrip) for the used CD-NGRM

The setting for t

GF trip

time of the CD-NGRM... coupling device.

The table shows an overview of the t(GFtrip) settings for the coupling device used:

sys

400... 690 V

691...1000 V

1001...4300 V

4301...14550 V

14551...25000 V

NGR

CD5000

1000 V

2400 V 4200 V 6000 V 6600 V

577 Ω

1386 Ω

80 Ω

115 Ω

277 Ω

40 Ω

58 Ω

139 Ω

38 Ω

92 Ω

29 Ω

69 Ω

(16 Ω)

(23 Ω)

55 Ω

—

(19 Ω)

(46 Ω)

—

(35 Ω)

—

(28 Ω)

—

must under no circumstances be longer than the maximum possible operating

Coupling device

CD1000

CD1000-2

CD1000

CD1000-2

CD5000

CD14400

CD25000

(tripping level 50 %)

—

693 Ω

762 Ω

485 Ω

346 Ω

381 Ω

242 Ω

231 Ω

254 Ω

162 Ω

(173 Ω)

191 Ω

121 Ω

(139 Ω) (152 Ω) (166 Ω)

97 Ω

(115 Ω) (127 Ω) (139 Ω)

81 Ω

(87 Ω)

(95 Ω)

61 Ω

—

(76 Ω)

(48 Ω)

—

(24 Ω)

max.

GF trip

(menu 6.5.7)

24 h

300 s

24 h

60 s

10 s

CD14400

7200 V 11000 V 14400 V 25000 V

—

831 Ω

1270 Ω 1663 Ω

416 Ω

635 Ω

277 Ω

423 Ω

208 Ω

318 Ω

254 Ω

212 Ω

(104 Ω) (159 Ω)

(83 Ω)

(127 Ω) (166 Ω)

—

Ground fault trip setting (menu

6.5.6)

on or off

NGRM700_D00292_02_Q_XXEN/06.2018

CD25000

—

831 Ω

1443 Ω

554 Ω

962 Ω

416 Ω

722 Ω

333 Ω

577 Ω

277 Ω

481 Ω

208 Ω

361 Ω

289 Ω

(83 Ω)

(144 Ω)