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Circuit breaker is an electromechanical switching device capable of making, carrying, and breaking currents under normal circuit conditions, as well as making, carrying for a specified time, and automatically breaking currents under specified abnormal circuit conditions, such as short-circuit currents. Circuit breakers can be single-, two-, three-, or four-pole and have the following structural components: main contact system, arc extinguishing system, trip mechanism drive, and trip elements. VA47-63 circuit breakers are designed to protect distribution and group circuits with various loads: electrical appliances, lighting - switches with characteristic B; motors with small inrush currents (compressor, fan) - switches with characteristic C; motors with large inrush currents (hoists, pumps) - switches with characteristic D.
Mounting installation depth
70 мм
For flush mounting
Yes
Number of protected poles
3
Rated short-circuit breaking capacity Icu IEC 60898 at 230 V
6 кА
Rated short-circuit breaking capacity Icu IEC 60898 at 400 V
6 кА
Rated short-circuit breaking capacity Icu IEC 60947-2 at 230V
6 кА
Rated short-circuit breaking capacity Icu IEC 60947-2 at 400 V
6 кА
Rated impulse voltage
4000 кВ
Rated voltage
400 В
Rated insulation voltage Ui
660 В
Rated current
25 А
Total number of poles
3
Ambient operating temperature to
50 град.C
Ambient operating temperature from
-45 град.C
Current type
Alternating current (AC)
With switched neutral conductor
Yes
Flexible stranded conductor cross-section up to
25 кв.мм
Stranded flexible conductor cross-section from
1 кв.мм
Solid conductor cross-section to
25 кв.мм
Solid conductor cross-section from
1 кв.мм
Pollution degree (number)
2
IP protection rating
IP20
Tripping characteristic
C
Frequency at
50 Гц
Frequency from
50 Гц
Width in modular units
3
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