JPH02124635U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ないし第３図はそれぞれ本考案の一実施
例を示し、第１図は押ボタン付電磁開閉器の一部
切欠き平面図、第２図は押ボタン付電磁開閉器の
一部切欠き側面図、第３図は電磁開閉器の自己保
持回路を示す回路図である。 １：ケース、２：カバー、３：オンボタン、４
：オフボタン、６：電磁接触器、７：サーマルリ
レー、１１：レバー片、１２：リセツト片、２０
：自己保持接点ユニツト、２１：常閉接点支え、
２２：常開接点支え。 1 to 3 each show an embodiment of the present invention, FIG. 1 is a partially cutaway plan view of an electromagnetic switch with a push button, and FIG. 2 is a partially cutaway plan view of an electromagnetic switch with a push button. The cutaway side view and FIG. 3 are circuit diagrams showing the self-holding circuit of the electromagnetic switch. 1: Case, 2: Cover, 3: On button, 4
: Off button, 6: Magnetic contactor, 7: Thermal relay, 11: Lever piece, 12: Reset piece, 20
: Self-holding contact unit, 21: Normally closed contact support,
22: Normally open contact support.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ケースとカバー内に電磁開閉器を収納し、オン
ボタンにより自己保持回路を形成し、オフボタン
により前記自己保持回路を解除する押ボタン付電
磁開閉器において、電磁接触器の頭部にそれぞれ
独立した常開接点支えと常閉接点支えを有する補
助接点ユニツトを取付け、ケースに設けたオンボ
タンに前記補助接点ユニツトの常開接点支えを操
作する操作片を取付け、ケースに設けたオフボタ
ンに前記自己保持接点ユニツトの常閉接点支えを
操作する操作片を取付けたことを特徴とする押ボ
タン付電磁開閉器。 In an electromagnetic switch with a push button, in which an electromagnetic switch is housed in a case and a cover, an on button forms a self-holding circuit, and an off button releases the self-holding circuit, each of the electromagnetic contactors has an independent head mounted on its head. An auxiliary contact unit having a normally open contact support and a normally closed contact support is attached, an operating piece for operating the normally open contact support of the auxiliary contact unit is attached to the on button provided on the case, and the self An electromagnetic switch with a push button, characterized in that an operating piece for operating a normally closed contact support of a holding contact unit is attached.