ZA731486B - Improvements relating to electrical switchgear - Google Patents
Improvements relating to electrical switchgearInfo
- Publication number
- ZA731486B ZA731486B ZA731486A ZA731486A ZA731486B ZA 731486 B ZA731486 B ZA 731486B ZA 731486 A ZA731486 A ZA 731486A ZA 731486 A ZA731486 A ZA 731486A ZA 731486 B ZA731486 B ZA 731486B
- Authority
- ZA
- South Africa
- Prior art keywords
- improvements relating
- electrical switchgear
- switchgear
- electrical
- relating
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3031—Means for locking the spring in a charged state
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1248472A GB1418640A (en) | 1972-03-16 | 1972-03-16 | Electrical switchgear |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA731486B true ZA731486B (en) | 1973-11-28 |
Family
ID=10005461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA731486A ZA731486B (en) | 1972-03-16 | 1973-03-02 | Improvements relating to electrical switchgear |
Country Status (16)
Country | Link |
---|---|
US (1) | US3823290A (en) |
JP (1) | JPS48102263A (en) |
AU (1) | AU470682B2 (en) |
BE (1) | BE796881A (en) |
CA (1) | CA978249A (en) |
CH (1) | CH579315A5 (en) |
DE (1) | DE2312758C3 (en) |
DK (1) | DK144958C (en) |
FR (1) | FR2176084B1 (en) |
GB (1) | GB1418640A (en) |
IT (1) | IT984419B (en) |
MY (1) | MY7700274A (en) |
NL (1) | NL165876C (en) |
NO (1) | NO137066C (en) |
SE (1) | SE377220B (en) |
ZA (1) | ZA731486B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2742772C3 (en) * | 1977-09-20 | 1982-12-02 | Siemens AG, 1000 Berlin und 8000 München | Drive device for electric circuit breakers |
US4946394A (en) * | 1986-09-12 | 1990-08-07 | Cooper Power Systems, Inc. | Connection mechanism for connecting a cable connector to a bushing |
DE4110043A1 (en) * | 1991-03-27 | 1992-10-01 | Kloeckner Moeller Gmbh | MOTOR DRIVE FOR ELECTRICAL SWITCHING DEVICES, IN PARTICULAR CIRCUIT BREAKERS |
CN105304420B (en) * | 2015-11-17 | 2017-06-27 | 江苏省如高高压电器有限公司 | A kind of breaker spring operating mechanism |
-
1972
- 1972-03-16 GB GB1248472A patent/GB1418640A/en not_active Expired
-
1973
- 1973-03-02 ZA ZA731486A patent/ZA731486B/en unknown
- 1973-03-12 US US00340304A patent/US3823290A/en not_active Expired - Lifetime
- 1973-03-13 NO NO994/73A patent/NO137066C/en unknown
- 1973-03-14 JP JP48030465A patent/JPS48102263A/ja active Pending
- 1973-03-14 DE DE732312758A patent/DE2312758C3/en not_active Expired
- 1973-03-15 FR FR7309249A patent/FR2176084B1/fr not_active Expired
- 1973-03-15 CH CH377173A patent/CH579315A5/xx not_active IP Right Cessation
- 1973-03-15 DK DK141673A patent/DK144958C/en not_active IP Right Cessation
- 1973-03-15 IT IT67754/73A patent/IT984419B/en active
- 1973-03-15 CA CA166,155A patent/CA978249A/en not_active Expired
- 1973-03-15 NL NL7303621.A patent/NL165876C/en not_active IP Right Cessation
- 1973-03-16 SE SE7303697A patent/SE377220B/xx unknown
- 1973-03-16 AU AU53408/73A patent/AU470682B2/en not_active Expired
- 1973-03-16 BE BE128882A patent/BE796881A/en not_active IP Right Cessation
-
1977
- 1977-12-31 MY MY1977274A patent/MY7700274A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH579315A5 (en) | 1976-08-31 |
AU5340873A (en) | 1974-09-19 |
NL165876B (en) | 1980-12-15 |
JPS48102263A (en) | 1973-12-22 |
SE377220B (en) | 1975-06-23 |
AU470682B2 (en) | 1976-03-25 |
GB1418640A (en) | 1975-12-24 |
DE2312758B2 (en) | 1978-07-13 |
CA978249A (en) | 1975-11-18 |
NO137066C (en) | 1977-12-21 |
BE796881A (en) | 1973-07-16 |
MY7700274A (en) | 1977-12-31 |
US3823290A (en) | 1974-07-09 |
DE2312758A1 (en) | 1973-09-20 |
DK144958B (en) | 1982-07-12 |
NO137066B (en) | 1977-09-12 |
NL7303621A (en) | 1973-09-18 |
NL165876C (en) | 1981-05-15 |
IT984419B (en) | 1974-11-20 |
FR2176084A1 (en) | 1973-10-26 |
DE2312758C3 (en) | 1979-03-08 |
DK144958C (en) | 1982-11-29 |
FR2176084B1 (en) | 1977-04-29 |
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