Title:
SAFETY SWITCH FOR CURRENT TRANSFORMER
Document Type and Number:
Japanese Patent JPH0620573
Kind Code:
A
Abstract:
PURPOSE: To avoid the dangers of receiving electric shock and overheating by automatically shortcircuiting the secondary coil of a current transformer when the load of the current transformer is opened.
CONSTITUTION: A movable electrode 3 comprising a bimetal having a heating wire wound thereto and a fixed electrode 2 are disposed opposite to each other with a micro interval inside a sealed container 1 and one end of the heating wire 4 is connected to the movable electrode and the other end of the heating wire and the fixed electrode 2 are connected to two respective electrode terminals 5, 6.
Inventors:
OWASE JOJI
Application Number:
JP19463392A
Publication Date:
January 28, 1994
Filing Date:
June 30, 1992
Export Citation:
Assignee:
U R D KK
International Classes:
H01H37/74; H01H37/52; H01H79/00; H02H7/04; H05B41/02; (IPC1-7): H01H37/74; H01H79/00; H05B41/02
Domestic Patent References:
| JPS5144114U | 1976-04-01 | |||
| JP46095839A | ||||
| JPS645360U | 1989-01-12 | |||
| JPS455075Y1 | 1970-03-10 | |||
| JPS5150625U | 1976-04-17 |
Attorney, Agent or Firm:
Seiichi Oka
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