Отключающие переключатели — HR17 Series lsolating Switch 
HR17 series fuse isolating switch requires 800V insulation voltage, 690V rated working voltage, 630A rated working current and 50Hz rated frequency. It can be used as a power switch, an isolating switch, an emergency switch and a circuit protector in the power distribution of heavy short-circuit current and the motor. However, it’s not used as the direct on-off of the single motor generally. It conforms to IEC60947-3 and GB14048.3.
| Conventional current (A) | 40 | 100(63) | 160(100) | 250 | 400 | 630 | ||
| Rated current (Ie) | AC 380V | AC-21B | 40A | 63,100A | 100,160A | 250A | 400A | 630A |
| AC-22B | 40A | 63,100A | 100,160A | 250A | 400A | 630A | ||
| AC-23B | 40A | 63,100A | 100,160A | 250A | 400A | 630A | ||
| AC 660V | AC-21B | 100,160A | 250A | 400A | 630A | |||
| AC-22B | 100A | 250A | 400A | 630A | ||||
| Rated short-circuit current | 50kA (Peak 105kA) | |||||||
| Each phase dissipation power in the DINT43620 standard | 5 | 9.5 | 12 | 23 | 34 | 48 | ||
1. The ambient temperature shall not exceed +40℃;the average within 24 hours shall not exceed +35℃;the lower limit of ambient temperature is -5℃.
2. The switch shall be installed at an altitude not higher than 2,000m.
3. The ambient RH of the installation site shall not exceed 50% under the maximum temperature +40℃ and a high RH value is allowed under low temperature; the average minimum temperature of the wettest month shall not exceed +25℃ and the average maximum RH of the month shall not exceed 90℃.
4. The switch shall be installed in a place whose environmental pollusion class is 3.
5. The switch’s installation class shall be III.
The switch shall be installed in a place without vibrations and impact.
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