Circuit Breakers

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4A15A18A20A30A
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400 : ¥33.17730
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15A
250 V
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400 : ¥36.23905
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18A
250 V
50 V
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100 : ¥38.96040
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30A
250 V
50 V
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400 : ¥39.39033
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20A
250 V
50 V
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400 : ¥51.70868
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15A
250 V
50 V
Push to Reset
1
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0
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100 : ¥59.50650
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Panel Mount
Thermal
4A
250 V
50 V
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1
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-
0
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100 : ¥62.85430
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Bulk
Active
Panel Mount
Thermal
30A
250 V
50 V
Push to Reset
1
-
-
0
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Active
Panel Mount
Thermal
30A
250 V
50 V
Push to Reset
1
-
-
0
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Active
Panel Mount
Thermal
20A
250 V
50 V
Push to Reset
1
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Circuit Breakers

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.