| 摘要 |
PROBLEM TO BE SOLVED: To provide a trip mechanism of a molded case circuit breaker in which a shooter and a crossbar operate consistently.SOLUTION: A trip mechanism of a molded case circuit breaker according to an embodiment of the present invention includes: a shooter 10 which includes a body 11 having a hanging plate 13 formed at a lower portion thereof and a hitting plate 14 formed at an upper portion thereof, and a rotating shaft 12 penetrating through the body 11; a double torsion spring 20 coupled to both sides of the rotating shaft 12, and imparting an urging force to enable the shooter 10 to rotate; and a crossbar 30 including a hanging part 31 that limits a movement of the shooter 10 by the contact of the hanging plate 13. |
