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Multi-pole circuit breaker with single pole switching units

A circuit breaker, single-pole technology, applied in the direction of circuit breaker parts, protection switch parts, circuits, etc., can solve the problems of multi-pole circuit breaker width increase and width increase

Active Publication Date: 2005-08-17
SCHNEIDER ELECTRIC IND SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared to the solution described in document WO00 / 30228A1, the width of this type of multipole circuit breaker is increased
Increased width becomes a disadvantage when circuit panel size is limited and multiple multi-pole circuit breakers must be included

Method used

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  • Multi-pole circuit breaker with single pole switching units
  • Multi-pole circuit breaker with single pole switching units
  • Multi-pole circuit breaker with single pole switching units

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] according to Figures 1 to 4 In the illustrated embodiment, the multi-pole circuit breaker 1 comprises four single-pole breaking units 2 . Each breaking unit 2 comprises a molded box of overall parallelepiped shape with a top face 3 , a bottom face 4 and two parallel large sides 44 .

[0029] A movable contact bridge is mounted in the unit. Said bridge is supported by a strip 5 extending perpendicularly to the parallel large sides 44 . This type of breaking unit is described in detail in patent FR-A-2622347 filed by the applicant. Double break contacts that rotate about a rotational axis 6 between a closed position and an open position are known from the prior art.

[0030] Such a rotary contact is formed by a pair of lever arms 7 extending between a rotary shaft 6 and two opposite movable contacts 8 respectively. Two opposing movable contacts 8 operate in conjunction with two static contacts 9 . In this way, two pairs of contacts can be seen, each pair being forme...

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PUM

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Abstract

A multi-pole circuit breaker comprising: a single-pole disconnection unit in the shape of a box having two large sides (44) and having at least one movable contact operating in conjunction with at least one static contact (9) (8); an operating mechanism (17), which is used in one group of disconnecting units (2), to control the opening or closing of the contacts of the unit; the first line side electrical connection device; and the second load side electrical connection device . Said breaking units (2) are grouped on two superimposed levels, at least one level comprising at least one pair of units, the operating mechanism (17) comprising means for simultaneously driving the single-pole breaking units (2) of each level Mechanical connection means (13, 20).

Description

technical field [0001] The invention relates to a multi-pole circuit breaker, which comprises a single-pole breaking unit, an operating mechanism, a first line-side electrical connection device and a second load-side electrical connection device. The single-pole disconnect unit is box-shaped, has two large sides, and has at least one movable contact operating in conjunction with at least one static contact. The operating mechanism is common to a set of disconnecting units, controlling the opening or closing of the contacts of said units. Background technique [0002] Implementation of multi-pole circuit breakers using single-pole disconnection units in a known manner has been described in particular in patents FR-A-2682531, US6448522B1 and WO00 / 30228A1. Each single-pole disconnection unit constitutes a disconnection subassembly housed in the housing of the box forming the multipole circuit breaker. Each pole of the circuit breaker comprises at least one single pole unit ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B1/40H01H1/58H01H9/34H01H71/10H01H71/52H01H73/06H01H73/20H02B1/20
CPCH01H71/1009H01H1/2058H01H1/5866H01H9/342
Inventor 亨利·奥奎马克·瑟派耐特
Owner SCHNEIDER ELECTRIC IND SAS
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