| 摘要 |
PURPOSE: A withdrawable type circuit breaker is provided to shift easily a main body and enhance the reliability by improving a state of contact between a roller of a roller guide and a guide block. CONSTITUTION: A withdrawable type circuit breaker includes a main body(1), a screw unit(2), a terminal(3), a cradle(4), a screw guide, and a finger(6). The screw unit(2) and the terminal(3) are installed at the main body(1). The screw guide and the finger(6) are installed at the cradle(4). A guide groove(11) is formed at the main body. A roller guide(12) is installed at the cradle. The roller guide(12) is inserted into the guide groove(11). A gap is not formed between the guide groove and a roller of the roller guide by using the roller of the roller guide.
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