NH fuse-links gtr 400VAC top indicator/live gripping-lugs size 2, 3, 4a
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1 NH fuse-links gtr 400VAC LOW VOLTAGE IEC FUSES IEC NH FUSE-LINKS FEATURES & BENEFITS The NH system is classified among plug-in fuse systems and is composed of: fuse-base, (possibly including terminal covers and phase barriers) fuse-link with blade contact fuse-link replacement device (LV HRC fuse puller) Since the design of this system cannot guarantee non-interchangeability of rated current, it must be handled by a qualified professional. NH-fuse links gtr are used for the protection of transformers. The time/current characteristic is especially adapted to that of the protected transformer and implies optimal selectivity to NH-fuse links characteristic gg. The fuses can be loaded with 1,3 times nominal current for up to 10 hours. The fuse link operates at 1,5 times nominal transformer current within 2 hours. TECHNICAL DATA OVERVIEW Voltage AC Nominal capacity of transformer Ampere Range (A) Size per Standard Speed/Characteristic I.R. AC (IEC) Body Material Contact Materials 400 VAC kva A Sizes 2, 3, 4a gtr 100 ka ceramic copper, silver-plated Maximum transformer capacity (up to 1,3 x In) Reduction of unnecessary interruption of operation recise cut off of overload Characteristic adapted to the transformer Resistant to ageing Selectivity to fuse links gg High current limiting High breaking capacity Easy selection between transformer and fuse link ALICATIONS rotection of transformers STANDARDS VDE 0636 art 201 IEC and -2 E.MERSEN.COM 1
2 RODUCT RANGE Size 2 gtr 400VAC top indicator Rated current In ower dissipation nominal capacity Width Weight ackage NH22GTR0KVA-8 NH2GTRKVA-8 Z A 5.5 W kva 40 mm 0.5 kg 3/30 NH2GTR75KVA-8 A A 7.3 W 75 kva 40 mm 0.5 kg 3/30 NH2GTR100KVA-8 B A 9 W 100 kva 40 mm 0.5 kg 3/30 NH2GTR1KVA-8 D A 11.2 W 1 kva 40 mm 0.5 kg 3/30 NH2GTR1KVA-8 E A 14 W 1 kva 40 mm 0.5 kg 3/30 NH22GTR200KVA-8 F A 16 W 200 kva mm 0.5 kg 3/24 NH22GTR0KVA-8 G A 21 W 0 kva mm 0.5 kg 3/24 Size 3 gtr 400VAC top indicator Rated current In ower dissipation nominal capacity Width Weight ackage NH32GTR630KVA-8 NH3GTR75KVA-8 L A 7.3 W 75 kva mm 1 kg 1 NH3GTR100KVA-8 M A 9 W 100 kva mm 1 kg 1 NH3GTR1KVA-8 N A 11.2 W 1 kva mm 1 kg 1 NH3GTR1KVA A 14 W 1 kva mm 1 kg 1 NH3GTR200KVA-8 Q A 16 W 200 kva mm 1 kg 1 NH3GTR0KVA-8 R A 21 W 0 kva mm 1 kg 1 NH32GTR315KVA-8 S A W 315 kva 71 mm 1 kg 1 NH32GTR400KVA-8 T A 31 W 400 kva 71 mm 1 kg 1 NH32GTR0KVA-8 V A W 0 kva 71 mm 1 kg 1 NH32GTR630KVA-8 W A W 630 kva 71 mm 1 kg 1 Size 4a gtr 400VAC top indicator Rated current In ower dissipation nominal capacity Width Weight ackage NH4AGTR100KVA-8 E A 12 W 100 kva mm 2.2 kg 1 NH4AGTR1KVA-8 F A 15 W 1 kva mm 2.2 kg 1 NH4AGTR1KVA-8 G A 18 W 1 kva mm 2.2 kg 1 NH4AGTR200KVA-8 H A 23 W 200 kva mm 2.2 kg 1 NH4AGTR0KVA-8 J A 28 W 0 kva mm 2.2 kg 1 NH4AGTR315KVA-8 K A 32 W 315 kva mm 2.2 kg 1 NH4AGTR400KVA-8 L A 39 W 400 kva mm 2.2 kg 1 NH42GTR0KVA-8 V A 49 W 0 kva 98 mm 2.2 kg 1 NH42GTR630KVA-8 W A 66 W 630 kva 98 mm 2.2 kg 1 NH42GTR800KVA-8 Y A 81 W 800 kva 98 mm 2.2 kg 1 NH42GR1000KVA-8 B A 108 W 1000 kva 98 mm 2.2 kg 1 E.MERSEN.COM 2
3 TIME CURRENT CHARACTERISTIC CURVES E.MERSEN.COM 3
4 CUT-OFF CURRENT CHARACTERISTIC I 2 κ=2 κ=1,6 κ=1 1,6 I 2 2 I 2 gtr nominal capacity of transformer in kva I D in ka CORRECTION FACTOR I in ka Correction factor of apperiodic component a... short_circuit current without direct current component (k = 1) b... short circuit current with direct current component (k = 2) E.MERSEN.COM 4
5 DIMENSIONS a3 d 10 6 centre indicator top indicator b1 e1 c f IEC LV NH_fuse link gtr size 2, 3, 4a (M02037_gTr) a2 a1 6 e2 size a1 a2 a3 b1 c1 d e1 e2 f design a 200 Dimensions in mm live tags compact live tags standard insulated tags compact insulated tags standard live tags compact live tags standard insulated tags compact insulated tags standard live tags E.MERSEN.COM 5
NH fuse-links gg 500VAC top indicator/live gripping-lugs size 4, 4a
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