JPH0394744U

JPH0394744U -

Info

Publication number: JPH0394744U
Application number: JP248490U
Authority: JP
Priority date: 1990-01-16
Filing date: 1990-01-16
Publication date: 1991-09-26

Description

[Brief explanation of drawings]

第１図ないし第３図は電磁コイルに発生するサ
ージ電圧を抑制する本考案によるサージ吸収ユニ
ツト付電磁接触器の一実施例を示し、第１図は電
磁接触器とサージ吸収ユニツトとの斜視図、第２
図は電磁接触器に形成された係合部の拡大斜視図
、第３図はサージ吸収ユニツトの斜視図であり、
第４図ないし第７図はそれぞれ主回路開閉時の接
点間に発生するサージ電圧を抑制する本考案の一
実施例を示し、第４図はサージ吸収ユニツトを電
磁接触器に装着した状態を示す側面図、第５図は
電磁接触器の斜視図、第６図はサージ吸収ユニツ
トの斜視図、第７図はサージ吸収ユニツトと電磁
接触器との係合部を拡大した要部断面図であり、
第８図ないし第１２図はそれぞれ第４図に示した
サージ吸収ユニツトの構成を示し、第８図はサー
ジ吸収ユニツトの斜視図、第９図はサージ吸収ユ
ニツトの側面断面図、第１０図は第９図のＱ矢印
方向からみたＱ矢視図、第１１図はサージ吸収ユ
ニツトの内部結線図、第１２図はサージ吸収ユニ
ツトの使用状態接続図である。１，５０……電磁接触器、４，１０……サージ
吸収ユニツト、Ｒ１〜Ｒ３……ヒユーズ抵抗器、
Ｃ１〜Ｃ３……コンデンサ。 Figures 1 to 3 show an embodiment of an electromagnetic contactor with a surge absorption unit according to the present invention that suppresses surge voltage generated in an electromagnetic coil, and Figure 1 is a perspective view of the electromagnetic contactor and surge absorption unit. , second
The figure is an enlarged perspective view of the engaging part formed in the electromagnetic contactor, and FIG. 3 is a perspective view of the surge absorption unit.
Figures 4 to 7 respectively show an embodiment of the present invention that suppresses the surge voltage generated between contacts when the main circuit is opened and closed, and Figure 4 shows the surge absorption unit installed in a magnetic contactor. 5 is a perspective view of the electromagnetic contactor, FIG. 6 is a perspective view of the surge absorption unit, and FIG. 7 is an enlarged cross-sectional view of the main parts of the engagement portion between the surge absorption unit and the electromagnetic contactor. ,
8 to 12 respectively show the configuration of the surge absorption unit shown in FIG. 4, FIG. 8 is a perspective view of the surge absorption unit, FIG. 9 is a side sectional view of the surge absorption unit, and FIG. 10 is a side sectional view of the surge absorption unit. FIG. 9 is a view in the direction of the Q arrow in FIG. 9, FIG. 11 is an internal wiring diagram of the surge absorption unit, and FIG. 12 is a connection diagram of the surge absorption unit in use. 1,50...Magnetic contactor, 4,10...Surge absorption unit, R1 to R3...Fuse resistor,
C1 to C3... Capacitors.

Claims

[Scope of utility model registration request]

A magnetic contactor with a surge absorption unit in which a surge absorption element consisting of a series circuit of a resistor and a capacitor is built in a plastic case and sealed with molded resin, characterized in that a fuse resistor is used as the resistor. Magnetic contactor with surge absorption unit.