| HR77B SERIES ISOLATING FUSE-SWICTCH
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Specification
| Rated working current(A)
|
160 |
250 |
400 |
630 |
| Rated heating current(A) |
160 |
250 |
400 |
630 |
| Suitable fuse size |
00 |
1 |
2 |
3 |
| Current voltage |
AC,50Hz |
AC,50Hz |
AC,50Hz |
AC,50Hz |
| Rated voltage(V) |
690 |
500 |
400 |
690 |
500 |
400 |
690 |
500 |
400 |
690 |
500 |
400 |
| Rated insulation voltage(V) |
800 |
800 |
800 |
800 |
| Working frequency endurable voltage(V)
|
3000 |
3000 |
3000 |
3000 |
| Using method |
AC-21B(690V) |
AC-21B(690V) |
AC-21B(690V) |
AC-21B(690V) |
| AC-22B(500V) |
AC-22B(500V) |
AC-22B(500V) |
AC-22B(500V) |
| AC-23B(400V) |
AC-23B(400V) |
AC-23B(400V) |
AC-23B(400V) |
| Rated monnection
capacity |
725V,240A |
725V,375A |
725V,600A |
725V,945A |
| 525V,480A |
525V,750A |
525V,1200A |
525V,1890A |
| 420V,1600A |
420V,2500A |
420V,4000A |
420V,63000A |
| Rated start break
capacity |
725V,240A |
725V,375A |
725V,600A |
725V,945A |
| 525V,480A |
525V,750A |
525V,1200A |
525V,1890A |
| 420V,1280A |
420V,2000A |
420V,3200A |
420V,5040A |
| Rated short circuit current (KA)
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50 |
120 |
120 |
50 |
120 |
120 |
50 |
120 |
120 |
50 |
120 |
120 |
| Fuse consumption rate(W) |
12 |
23 |
34 |
48 |
Swich and suitable fuse
| Conventional free
air heating current(A) |
Fuse size |
Rated current of
fuse body(A) |
| 160 |
00 |
4,6,10,16,20,25,32,35 40,50,63,80,100,125,160
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| 200 |
1 |
80,100,125,160,200,224,250 |
| 400 |
2 |
125,160,200,224,250,300,315,355,400 |
| 630 |
3 |
4,6,10,16,425,500,630 |
Dimensions
| IR17-160 |
A |
B |
C |
D |
E |
F |
G |
H |
K |
L |
M |
O |
P |
Q |
| IR17-250 |
106 |
200 |
83 |
45 |
47.5 |
177 |
60 |
155 |
109 |
181 |
103 |
205 |
110 |
17 |
| IR17-400 |
185 |
315 |
112.5 |
66 |
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199 |
84 |
220 |
70 |
1025 |
115 |
294 |
183 |
20 |
| IR17-630 |
210 |
351 |
128 |
80 |
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224 |
92 |
249 |
51.5 |
124 |
131 |
339 |
221 |
25 |
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256 |
351 |
142.5 |
94.5 |
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270 |
98.5 |
259 |
48 |
127.5 |
139.5 |
360 |
211 |
28 |
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