HHD
Applications
Protection of Transformers
Type A
Recommendation for the protection of transformer mains with HHD fuses according to DIN standard, DIN VDE 0670 part 402 using LV fuses operating gTR on the low voltage side.
HV Fuse Selection Guide System Voltage( Line - Line) [kV]
6 - 7.2
10 - 12
20 - 24
30 - 36
Transformer
with NH - gTr Secondary Fusing
Rating
Rated Current of Fuse
[kVA]
[A]
[A] 16 16
16 16 10 10 [A]
[A]
200 160 125 [A] 100 450 400 500 630 800 315
250 200 160 100 125 400 500 630 800 315
25 20
- 25
6.3
10 16 10
- -
31.5
25
31.5
50
20
-
- 50 50 - 63 40 63 - 80 80 - 100 100 -
25 - 31.5
-
16 - 20 20 - 25
25
40 50
31.5 -
16
-
25
40
25
50 - 63
25
- 31.5
31.5- 25 -
31.5
125 160 200 160
- 80
63 80
31.5 - 40 40 - 50
- 125 - 160
40
100 125 125 160 - - - 100
63
40 - 50 40 - 50
1 000
1 000
63 - 80
portal: www.siballc.net e-mail: info@sibafuse.com
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