IT986662B - DIFFERENTIAL MAGNETOTHERMAL SWITCH - Google Patents
DIFFERENTIAL MAGNETOTHERMAL SWITCHInfo
- Publication number
- IT986662B IT986662B IT513373A IT513373A IT986662B IT 986662 B IT986662 B IT 986662B IT 513373 A IT513373 A IT 513373A IT 513373 A IT513373 A IT 513373A IT 986662 B IT986662 B IT 986662B
- Authority
- IT
- Italy
- Prior art keywords
- differential
- magnetothermal
- switch
- magnetothermal switch
- differential magnetothermal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/32—Electromagnetic mechanisms having permanently magnetised part
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
- Breakers (AREA)
- Basic Packing Technique (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT513373A IT986662B (en) | 1973-04-13 | 1973-04-13 | DIFFERENTIAL MAGNETOTHERMAL SWITCH |
ES425147A ES425147A1 (en) | 1973-04-13 | 1974-04-09 | Improvements introduced in automatic differential thermo magnetic thermal switch. (Machine-translation by Google Translate, not legally binding) |
FR7412760A FR2225829A1 (en) | 1973-04-13 | 1974-04-11 | Combined earth leakage and miniature circuit breaker - has visual indication for breaker operation due to earth fault |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT513373A IT986662B (en) | 1973-04-13 | 1973-04-13 | DIFFERENTIAL MAGNETOTHERMAL SWITCH |
Publications (1)
Publication Number | Publication Date |
---|---|
IT986662B true IT986662B (en) | 1975-01-30 |
Family
ID=11118117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT513373A IT986662B (en) | 1973-04-13 | 1973-04-13 | DIFFERENTIAL MAGNETOTHERMAL SWITCH |
Country Status (3)
Country | Link |
---|---|
ES (1) | ES425147A1 (en) |
FR (1) | FR2225829A1 (en) |
IT (1) | IT986662B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2437692A1 (en) * | 1978-09-28 | 1980-04-25 | Merlin Gerin | Manually operated circuit breaker with overload cut=out - has earth fault current overload device and reset units as separate components which may be put together later |
FR2767602B1 (en) * | 1997-08-25 | 2002-12-06 | Schneider Electric Sa | DEVICE FOR SIGNALING AN ELECTRICAL FAULT IN A SWITCHING DEVICE SUCH AS A DIFFERENTIAL SWITCH |
-
1973
- 1973-04-13 IT IT513373A patent/IT986662B/en active
-
1974
- 1974-04-09 ES ES425147A patent/ES425147A1/en not_active Expired
- 1974-04-11 FR FR7412760A patent/FR2225829A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2225829B3 (en) | 1977-02-18 |
ES425147A1 (en) | 1976-06-16 |
FR2225829A1 (en) | 1974-11-08 |
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