| 摘要 |
PURPOSE: A circuit breaker is provided to reduce costs of a product by reducing an assembling process and the number of parts. CONSTITUTION: A current breaker includes a fixed contact(6), a moving contact(7), and an arc extinguishing chamber(9). A barrier separated wall(3b) sections the storing space of the arc extinguishing chamber inside a cover(3). A stopper(3c) is located in the end part of the barrier separated wall. The moving contact which is apart from the fixed contact is stopped in the contact parting terminating position.
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