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YCHR17 Fuse Switch-Disconnector
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YCHR17 Fuse Switch-Disconnector
General
YCHR17 series fuse-swith disconnector is a new product developed byourcompany.Rated insulation voltage up to 800V,rated operational voltage up to 690V,ratedoperating current upto 630A,rated frequency 50Hz,in the distribution circuit andmotor circuit which has high short-circuit current asthe power switch,isolatingswitch,emergency switch as well as circuit protection,but normally itis not used tomakeand breaka single motordirectly
Standard:IEC/EN 60947-3.
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Product Details
| 40 | 63/100 | 160 | 250 | 400 | 630 | |||
| Rated voltage (Ue) | 660V a.c | 660V a.c | 660V a.c | 660V a.c | 660V a.c | 660V a.c | ||
| 380V a.c | 380V a.c | 380V a.c | 380V a.c | 380V a.c | 380V a.c | |||
| Rated insulation voltage(Ui) | 800V | 800V | 800V | 800V | 800V | 800V | ||
| Rated impulse voltage strength (Uimp) | 6kV | 6kV | 6kV | 6kV | 6kV | 6kV | ||
| Rated current ( Ⅰe) | AC 380V | AC-21B | 40A | 63/100A | 160A | 250A | 400A | 630A |
| AC-22B | 40A | 63/100A | 160A | 250A | 400A | 630A | ||
| AC-23B | - | - | 160A | 250A | 400A | 630A | ||
| AC 660V | AC-21B | - | - | 160A | 250A | 400A | 630A | |
| AC-22B | - | - | 100A | 160A | 315A | 425A | ||
| Rated short-circuit current | 20kA | 20kA | 50kA | 50kA | 50kA | 50kA | ||
| (peak 105kA) | (peak 105kA) | (peak 105kA) | (peak 105kA) | (peak 105kA) | (peak 105kA) | |||
| Model | Poles | Overall (mm) | Installation (mm) | |||||
| A | B | C | D | a | b | Φc | ||
| YCHR17-40 | 3P | 76 | 116 | 76 | 150 | 42 | / | Φ6 |
| YCHR17-63 | 3P | 105 | 116 | 76 | 150 | 62 | / | Φ6 |
| YCHR17-100 | 3P | 105 | 116 | 76 | 150 | 62 | 25 | Φ6 |
| YCHR17-160 | 3P | 106 | 200 | 83 | 205 | 66 | 25 | Φ7 |
| 4P | 138 | 200 | 83 | 205 | 100 | 25 | Φ7 | |
| YCHR17-250 | 3P | 185 | 247 | 110 | 295 | 114 | 50 | Φ11 |
| 4P | 242 | 247 | 110 | 295 | 172 | 50 | Φ11 | |
| YCHR17-400 | 3P | 210 | 290 | 125 | 340 | 130 | 50 | Φ11 |
| 4P | 276 | 290 | 125 | 340 | 195 | 50 | Φ11 | |
| YCHR17-630 | 3P | 256 | 300 | 145 | 360 | 162 | 50 | Φ11 |
| 4P | 340 | 300 | 145 | 360 | 243 | 50 | Φ11 | |
| Conventional heating current Ith | Matching fuse size | Fuse rated current(A) |
| 40A | Rt14 | 2, 4, 6, 8, 10, 12, 16, 20, 25, 32, 40 |
| 63A/100A | RT14 | 10, 12, 16, 20, 25, 32, 40, 50, 63 |
| 160A | NT100 | 10, 16, 25, 32, 40, 50, 63, 80, 100, 125, 160 |
| 250A | NT1 | 80, 100, 125, 160, 200, 225, 250 |
| 400A | NT2 | 125, 160, 200, 225, 250, 300, 315, 355, 400 |
| 630A | NT3 | 315, 355, 400, 425, 500, 630 |
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