JPH0319237U

JPH0319237U -

Info

Publication number: JPH0319237U
Application number: JP7935789U
Authority: JP
Priority date: 1989-07-04
Filing date: 1989-07-04
Publication date: 1991-02-26

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例を示す回路図、第
２図は第１図に示す回路遮断器の斜視図、第３図
は第１図に示す回路遮断器を２台使用した配電系
統図、第４図は従来の漏電遮断器を２台使用した
配電系統図、第５図は第４図に示すスイツチ５５
を投入した場合に形成される並列回路に着目した
回路図である。図において、１……回路遮断器、４……零相変
流機、５……電子回路、６……漏電引外しコイル
、７……スイツチ、１１……制御電源供給線であ
る。なお、各図中同一符号は同一又は相当部分を
示す。 Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is a perspective view of the circuit breaker shown in Fig. 1, and Fig. 3 is a power distribution system using two circuit breakers shown in Fig. 1. Figure 4 is a power distribution system diagram using two conventional earth leakage circuit breakers, and Figure 5 is a diagram of the switch 55 shown in Figure 4.
FIG. 2 is a circuit diagram focusing on a parallel circuit that is formed when . In the figure, 1...circuit breaker, 4...zero phase current transformer, 5...electronic circuit, 6...earth leakage tripping coil, 7...switch, 11...control power supply line. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A circuit breaker having a built-in earth leakage tripping device, characterized in that a switching means is provided in a line that supplies control power to the earth leakage tripping device.