Title:
【発明の名称】地絡電流保護装置および地絡トリップ装置の使用方法
Document Type and Number:
Japanese Patent JP2907846
Kind Code:
B2
Abstract:
A differential release unit 12 of the three-pole type comprises a fourth conductor 32 traversing the differential transformer 24. The fourth conductor 32 is connected to terminals 34 disposed on a different face from that of the terminals of the other three conductors. The same differential release unit 12 may be associated with a three-pole cut-off device in which case the fourth conductor 32 is not used, and with a four-pole device 42 whose fourth pole 44 is connected to the fourth conductor 32 of the differential release unit 12. ……
Inventors:
PIEERU SHUURE
JIRUBEERU GARUNIE
JIRUBEERU GARUNIE
Application Number:
JP31097788A
Publication Date:
June 21, 1999
Filing Date:
December 08, 1988
Export Citation:
Assignee:
MERURAN JERAN
International Classes:
H01H83/02; H01H83/14; H01H71/00; H01H71/08; (IPC1-7): H01H83/02
Domestic Patent References:
| JP59203338A | ||||
| JP6026191U |
Attorney, Agent or Firm:
Kazuo Sato (3 others)