Catalog
Low Voltage IEC Fuses
IEC NH Fuse-Links
NH fuse-links gTr 400VAC middle indicator/isolated gripping-lugs size 2, 3
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.
FEATURES
- Maximum transformer capacity (up to 1,3 x In)
- Reduction of unnecessary interruption of operation
- Precise 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
PRODUCT DETAILS
- Volts (VAC) 400 VAC
- Ampere Range (A) 72 - 577 A
- I.R. AC (kA) 100 kA
-
Size per Standard
Sizes 2
3
4a - Speed / Characteristic gTr
- Body Material Ceramic
-
Materials Contact
Copper
Silver-plated -
Standards
VDE 0636 Part 201
IEC 60269-1 and -2 - Application Protection of transformers
- ROHS Compliant Consult Technical Services
- Lead Free Consult Technical Services
- CE conformity Yes
Catalog-Reference
- NH2GTR100KVA-1 - P1028688
- NH2GTR125KVA-1 - Q1028689
- NH2GTR160KVA-1 - R1028690
- NH2GTR200KVA-1 - Q1030529
- NH2GTR250KVA-1 - R1030530
- NH2GTR50KVA-1 - M1028686
- NH2GTR75KVA-1 - N1028687
- NH32GTR315KVA-1 - D1030541
- NH32GTR400KVA-1 - E1030542
- NH3GTR100KVA-1 - V1030533
- NH3GTR125KVA-1 - W1030534
- NH3GTR160KVA-1 - X1030535
- NH3GTR200KVA-1 - Y1030536
- NH3GTR250KVA-1 - Z1030537
- NH3GTR50KVA-1 - S1030531
- NH3GTR75KVA-1 - T1030532
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