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Product Description
Application
HR17 Fuse disconnector is applied to the high short circuit current circuit with AC 50/60 HZ, voltage up to 690V and rated working current up to 630A. It processes upper and lower end input and output structure, leads in equipment with knife-edge and arc extinguishing equipment, and also can be operated with load. It is used as power switch, isolating switch and emergency switch, for protecting current.
Specification
| Model | Rated Working Current le | Rated ShortCircuit ConnectingCapacity Icm | Rated LimitShort CircuitCurrent Inc | Rated InsulatedVoltage Ui | Use Type | Numberof Poles | Matched Fuse Link |
| HR17-160 | 160A | 1600A | 50kA | 690V | AC-23B | 3,4 | NT00 |
| HR17-250 | 250A | 2500A | NT1 | ||||
| HR17-400 | 400A | 4000A | NT2 | ||||
| HR17-630 | 630A | 6300A | NT3 |
Dimension
| Model | Assorted Fuse | A | B | C | D | a | b | Φ c |
| HR17-160/3P | NT00 | 106 | 200 | 83 | 205 | 66 | 25 | Φ 7 |
| HR17-250/3P | NT1 | 185 | 247 | 110 | 295 | 114 | 50 | Φ 11 |
| HR17-400/3P | NT2 | 210 | 290 | 125 | 340 | 130 | 50 | Φ 11 |
| HR17-630/3P | NT3 | 256 | 300 | 145 | 360 | 162 | 50 | Φ 11 |
| HR17-160/4P | NTO0 | 138 | 200 | 83 | 205 | 100 | 25 | Φ7 |
| HR17-250/4P | NT1 | 242 | 247 | 110 | 295 | 172 | 50 | Φ 11 |
| HR17-400/4P | NT2 | 276 | 290 | 125 | 340 | 195 | 50 | Φ 11 |
| HR17-630/4P | NT3 | 340 | 300 | 145 | 360 | 243 | 50 | Φ 11 |
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