JPS51150646A - Three phase voltage alarm device - Google Patents

Three phase voltage alarm device

Info

Publication number
JPS51150646A
JPS51150646A JP7433875A JP7433875A JPS51150646A JP S51150646 A JPS51150646 A JP S51150646A JP 7433875 A JP7433875 A JP 7433875A JP 7433875 A JP7433875 A JP 7433875A JP S51150646 A JPS51150646 A JP S51150646A
Authority
JP
Japan
Prior art keywords
alarm device
phase voltage
voltage alarm
surveillance
exceeding
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
JP7433875A
Other languages
Japanese (ja)
Inventor
Akira Tani
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.)
NIPPON DENSAN SETSUBI KK
Original Assignee
NIPPON DENSAN SETSUBI KK
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 NIPPON DENSAN SETSUBI KK filed Critical NIPPON DENSAN SETSUBI KK
Priority to JP7433875A priority Critical patent/JPS51150646A/en
Publication of JPS51150646A publication Critical patent/JPS51150646A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: A momentary alarm indication for exceeding a determined limit of the upper and the lower value in surveillance of the voltage of the three-phase power supply.
COPYRIGHT: (C)1976,JPO&Japio
JP7433875A 1975-06-20 1975-06-20 Three phase voltage alarm device Pending JPS51150646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7433875A JPS51150646A (en) 1975-06-20 1975-06-20 Three phase voltage alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7433875A JPS51150646A (en) 1975-06-20 1975-06-20 Three phase voltage alarm device

Publications (1)

Publication Number Publication Date
JPS51150646A true JPS51150646A (en) 1976-12-24

Family

ID=13544223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7433875A Pending JPS51150646A (en) 1975-06-20 1975-06-20 Three phase voltage alarm device

Country Status (1)

Country Link
JP (1) JPS51150646A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4728590U (en) * 1971-04-19 1972-12-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4728590U (en) * 1971-04-19 1972-12-01

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