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 product presentation

NT(NH)type fuse

◆ Application

    This series fuse is suitable for AC 50Hz, rated voltage to 1000V, rated current to 1250A. It is mainly used for protecting the electrical circuit against overload and short-circuits(gG/gL). Because of different melting tablets, it also may derive for protecting the semiconductor device and others complete set installment from short-circuit (aR/gR/gs/gtr) as well as the electric motor from short circuit (aM). The rated breaking capacity is to 120KA. They conform to national standard GB13539 and international electrical committee standard IEC60269.

◆Construction Feature

    This series of fuse consists of fuse link, fuse base and carrier fuse. The variable cross-section fuse body made by pure copper piece (or copper wire, silver wire, silver piece) is sealed in the square fusion tube which is made by the high strength porcelain or epoxy glass cloth pipe, there is full of the high-purity quartz sand processed after chemistry to take the extinguishing of arc medium in the tube. The two sides of the fuse use the spot welding to reliably connect with the end plate(or junction panel) and to form the square knife shape contact structure. The fuse may have fuse indicator or striker, when the fuse element fusing it can demonstrate fusing (indicator) or transforms each kind of signal as well as automatic transfer circuit (striker). The fuse base consists of high temperature resistance resin plate(or high intensity porcelain plate) and wedge-shaped static contact to form open-type structure and it can be used as the supporting device of the appropriate size of the fuse link. This series of fuse has many merits such as good in heat dissipation, high mechanical strength, reliable in contact, convenient in performance and so on.

The NT low pressure high score breaks the ability fuse is one kind of new fuse which my factory reference overseas advanced technical data independently designs,Has the volume to be small,The weight light, the power loss is small, divides breaks the ability higher merit, widely uses in the electrical equipment over-load protection short-circuiting the protectorate. This product conforms to IEC-60269 and the GB13539 standard, each technical specification achieves the international advanced level.
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT00C 
RT16-00C 
NH00C
4 
6 
10 
16 
20 
25 
32 
40 
50 
63 
80 
100 
125 
160 
500
660
0.67 
0.89 
1.14 
1.65 
1.95 
2.50 
3.32 
3.56 
4.30 
4.50 
4.60 
6.00 
7.30 
7.80 
9.60
0.12
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT00 
RT16-00 
NH00
4 
6 
10 
16 
20 
25 
32 
40 
50 
63 
80 
100 
125 
160 
500
660
0.67 
0.89 
1.14 
1.65 
1.95 
2.50 
3.32 
3.56 
4.30 
4.50 
4.60 
6.00 
7.30 
7.80 
9.60
0.15
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT0 
RT16-0 
NH0
4 
6 
10 
16 
20 
25 
32 
40 
50 
63 
80 
100 
125 
160 
500
660
1.03 
1.42 
2.45 
2.36 
2.70 
3.74 
4.30 
4.70 
5.50 
6.90 
7.60 
8.90 
10.10 
15.20
0.2
 
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT1 
RT16-1 
NH1
80
100
125
160
200
224
250
500
660
1.20
2.25
10.20
13.00
15.20
16.80
18.30
0.36
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT2 
RT16-2 
NH02
125
160
200
250
300
315
355
400
500
660
21.70
22.70
26.80
28.90
32.00
40.30
0.70
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT3
RT16-3
NH03
315
355
400
425
500
630
500
660
21.70
22.70
26.80
28.90
32.00
40.30
0.90
Type
Rated current(A)
Rated voltage(V)
Rated power
Weight(kg)
NT4
RT17
NH04
800
1000
1250
500
660
62.00
75.00
2.10


 
Type
Dimensions(mm)
A
b
c
e1
e2
I
f
g
m
n
o
NT00C
78.5
35
15
41
20
6
49
7.5
NT00
78.5
35
15
45
29
6
49
11.5
NT0
125
35
15
45
29
6
68
11.5
NT1
135
40
21
48
48
6
68
12
NT2
150
48
27
58
58
6
68
13
NT3
150
60
33
67
67
6
68
14
NT4
200
83
50
96
88
6
68
20
150
16
32

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