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JPS5216646A - Protection device for power source apparatus - Google Patents

Protection device for power source apparatus

Info

Publication number
JPS5216646A
JPS5216646A JP9204575A JP9204575A JPS5216646A JP S5216646 A JPS5216646 A JP S5216646A JP 9204575 A JP9204575 A JP 9204575A JP 9204575 A JP9204575 A JP 9204575A JP S5216646 A JPS5216646 A JP S5216646A
Authority
JP
Japan
Prior art keywords
power source
protection device
source apparatus
pahse
deficit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9204575A
Other languages
Japanese (ja)
Inventor
Masakazu Hori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9204575A priority Critical patent/JPS5216646A/en
Publication of JPS5216646A publication Critical patent/JPS5216646A/en
Pending legal-status Critical Current

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  • Keying Circuit Devices (AREA)

Abstract

PURPOSE: To interrupt a power source having three pahse input when one of the three phase is deficit.
COPYRIGHT: (C)1977,JPO&Japio
JP9204575A 1975-07-30 1975-07-30 Protection device for power source apparatus Pending JPS5216646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9204575A JPS5216646A (en) 1975-07-30 1975-07-30 Protection device for power source apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9204575A JPS5216646A (en) 1975-07-30 1975-07-30 Protection device for power source apparatus

Publications (1)

Publication Number Publication Date
JPS5216646A true JPS5216646A (en) 1977-02-08

Family

ID=14043536

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9204575A Pending JPS5216646A (en) 1975-07-30 1975-07-30 Protection device for power source apparatus

Country Status (1)

Country Link
JP (1) JPS5216646A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731460U (en) * 1980-07-31 1982-02-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731460U (en) * 1980-07-31 1982-02-19
JPS6328281Y2 (en) * 1980-07-31 1988-07-29

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