| 摘要 |
A switch includes an N-shaped spring which is connected between an inside of the base of the switch and an end of a bimetal plate. The bimetal plate has a contact point and is pushed to let the contact point contact an another contact point on one of three terminal plates. An adjusting member is movably engaged with the base and contacts an end of the N-shaped spring so as to adjust the position of the N-shaped member.
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