Patent · US Expired

Low-voltage circuit breaker including a current transformer

US4673779A · kind A · utility

2Cited by

1References

4Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Peter Bohnen · Berlin, DE
Gunter Prietzel · Berlin, DE
Reinhard Kugler · Berlin, DE

Key dates

Filing date	Jan 23, 1986
Grant date	Jun 16, 1987
Priority date	—
Expiry date	Jan 23, 2006

Classification

Technology area (CPC H)Electricity
CPC primaryH02B11/26
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A low-voltage circuit breaker comprises a current transformer which at least partly encloses a first connecting bar and is supported by a stationary carrier independently of a second connecting bar. In the region opposite this support, the current transformer is disposed between an L-shaped carrier (angled-off), of the contact arrangements of the circuit breaker and an insulating piece inserted between the connecting bars. In this arrangement, the current transformer can be exchanged with a relatively small amount of labor, while at the same time, adequate strength of the connecting bars against forces is achieved which are introduced into the connecting bars by the continuing current bars.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.