NHR17B Fuse-Switch-disconnector |
| Application |
NHR17B fuse-switch-disconnect can operate with load, rated current from 40A-1600A, divided into 1, 2, 3, 4 set. Not only hanging on the bus, but also install on a fixed plate; and provide a up-down input & output structure, knife taplead in arc extinguishing device, switch cover has a closed test hold aperiodically, with signal switch and inspection switch inside. Fuse monitor is optional, also can be used as a knife switch.
This model is elegant in design, novelty and simple, apply to IEC60947-3, GB14048.3 standard.
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| Model and Definition |
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| Main Technical Data |
Model |
NHR17B-40 |
NHR17B-63 |
NHR17B-160 |
NHR17B-250
|
NHR17B-400
|
NHR17B-630 |
Rated isolating voltage Ui |
690V |
690V |
690V |
690V |
690V |
690V |
Rated working voltage Ue |
400V |
400V |
400V |
400V |
400V |
400V |
Rated working current le |
40A |
63A |
160A |
250A |
400A |
630A |
Rated short circuit connection ability lcm |
400A |
630A |
1600A |
2500A |
4000A |
6300A |
Rated limiting short circuit current lnc |
50kA |
50kA |
50kA |
50kA |
50kA |
50kA |
Usage category |
AC-23B |
AC-23B |
AC-23B |
AC-23B |
AC-23B |
AC-23B |
Fuse-link |
RT14-40 |
RT14-63 |
NT00-160 |
NT1-250 |
NT2-400 |
NT3-630 |
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| Outline and Installation Size |
NHR17B-160~630A Hanging model outline |
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NHR17B-160~630A Dimension for hanging mode structure
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Model |
A |
B |
C |
D |
E |
F |
NHR17B-160/32 |
106 |
200 |
97 |
60 |
200 |
87 |
NHR17B-250/32 |
185 |
247 |
128 |
88 |
221 |
110 |
NHR17B-400/32 |
210 |
290 |
145 |
97 |
268 |
125 |
NHR17B-630/32 |
256 |
300 |
160 |
112 |
285 |
139 |
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| NHR17B-40~630A Fixing model Outline and Installation Size |
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Model |
Dimensions (mm)
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Installation dimensions(mm)
|
A |
B |
C |
D |
a |
b |
¦Õc |
NHR17B-40 |
2 Poles |
55 |
116 |
76 |
150 |
25 |
£ |
¦Õ6 |
3 Poles |
76 |
116 |
76 |
150 |
42 |
£ |
¦Õ6 |
NHR17B-63 |
2 Poles |
74 |
116 |
76 |
150 |
32 |
£ |
¦Õ6 |
3 Poles |
105 |
116 |
76 |
150 |
62 |
£ |
¦Õ6 |
NHR17B-160 |
2 Poles |
75 |
200 |
83 |
205 |
43 |
25 |
¦Õ7 |
3 Poles |
106 |
200 |
83 |
205 |
66 |
25 |
¦Õ7 |
4 Poles |
138 |
200 |
83 |
205 |
100 |
25 |
¦Õ7 |
NHR17B-250 |
2 Poles |
128 |
247 |
110 |
295 |
72 |
50 |
¦Õ11 |
3 Poles |
185 |
247 |
110 |
295 |
114 |
50 |
¦Õ11 |
4 Poles |
242 |
247 |
110 |
295 |
172 |
50 |
¦Õ11 |
NHR17B-400 |
2 Poles |
145 |
290 |
125 |
340 |
80 |
50 |
¦Õ11 |
3 Poles |
210 |
290 |
125 |
340 |
130 |
50 |
¦Õ11 |
4 Poles |
276 |
290 |
125 |
340 |
195 |
50 |
¦Õ11 |
NHR17B-630 |
2 Poles |
175 |
300 |
145 |
360 |
90 |
50 |
¦Õ11 |
3 Poles |
256 |
300 |
145 |
360 |
162 |
50 |
¦Õ11 |
4 Poles |
340 |
300 |
145 |
360 |
243 |
50 |
¦Õ11 |
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