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Desconexión de interruptores — HR17 Series lsolating Switch
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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)40100(63)160(100)250400630
Rated current (Ie)AC 380VAC-21B40A63,100A100,160A250A400A630A
AC-22B40A63,100A100,160A250A400A630A
AC-23B40A63,100A100,160A250A400A630A
AC 660VAC-21B

100,160A250A400A630A
AC-22B

100A250A400A630A
Rated short-circuit current50kA   (Peak 105kA)
Each phase dissipation power in the DINT43620 standard59.512233448


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 switchs installation class shall be III.

The switch shall be installed in a place without vibrations and impact.






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