ZA741806B - Circuit interrupter protective device - Google Patents
Circuit interrupter protective deviceInfo
- Publication number
- ZA741806B ZA741806B ZA00741806A ZA741806A ZA741806B ZA 741806 B ZA741806 B ZA 741806B ZA 00741806 A ZA00741806 A ZA 00741806A ZA 741806 A ZA741806 A ZA 741806A ZA 741806 B ZA741806 B ZA 741806B
- Authority
- ZA
- South Africa
- Prior art keywords
- protective device
- circuit interrupter
- interrupter protective
- circuit
- protective
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/01—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions
- H01H2069/013—Apparatus or processes for the manufacture of emergency protective devices for calibrating or setting of devices to function under predetermined conditions with calibrating screws in trip bar
-
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H2071/7481—Means for adjusting the conditions under which the device will function to provide protection with indexing means for magnetic or thermal tripping adjustment knob
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
- H01H71/164—Heating elements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Manufacture Of Motors, Generators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34623073A | 1973-03-29 | 1973-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA741806B true ZA741806B (en) | 1975-02-26 |
Family
ID=23358504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00741806A ZA741806B (en) | 1973-03-29 | 1974-03-19 | Circuit interrupter protective device |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3797007A (en) |
| JP (2) | JPS50121204U (en) |
| AR (1) | AR211908A1 (en) |
| BE (1) | BE813004A (en) |
| BR (1) | BR7402531D0 (en) |
| CA (1) | CA998079A (en) |
| DE (2) | DE7410687U (en) |
| ES (1) | ES424715A1 (en) |
| FR (1) | FR2223823B1 (en) |
| GB (1) | GB1461491A (en) |
| IT (1) | IT1069260B (en) |
| ZA (1) | ZA741806B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4074218A (en) * | 1976-05-07 | 1978-02-14 | Westinghouse Electric Corporation | Circuit breaker |
| US4118680A (en) * | 1977-02-07 | 1978-10-03 | Westinghouse Electric Corp. | Circuit interrupter |
| JPS6230273Y2 (en) * | 1977-03-11 | 1987-08-04 | ||
| US4313098A (en) * | 1980-01-16 | 1982-01-26 | Westinghouse Electric Corp. | Circuit interrupter trip unit |
| CH669066A5 (en) * | 1986-03-20 | 1989-02-15 | Sprecher & Schuh Ag | CONVERSION DEVICE FOR AN ELECTRICAL SWITCH. |
| US4691182A (en) * | 1986-04-30 | 1987-09-01 | Westinghouse Electric Corp. | Circuit breaker with adjustable magnetic trip unit |
| US4698606A (en) * | 1986-06-20 | 1987-10-06 | Westinghouse Electric Corp. | Circuit breaker with adjustable thermal trip unit |
| US4713635A (en) * | 1986-07-01 | 1987-12-15 | Westinghouse Electric Corp. | Multi-phase circuit breaker with interphase barrier retention |
| US4719438A (en) | 1986-09-30 | 1988-01-12 | Westinghouse Electric Corp. | Circuit breaker with fast trip unit |
| US4973927A (en) * | 1988-10-12 | 1990-11-27 | Westinghouse Electric Corp. | Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
| US5119054A (en) * | 1990-08-30 | 1992-06-02 | Westinghouse Electric Corp. | "E" frame pancake design |
| US6956452B2 (en) * | 2003-09-24 | 2005-10-18 | General Electric Company | Apparatus and method for circuit breaker trip unit adjustment |
| CN115647347B (en) * | 2022-12-28 | 2023-03-03 | 河北泰禾高温流体科技股份有限公司 | High-safety anti-collision sliding gate mechanism |
-
1973
- 1973-03-29 US US00346230A patent/US3797007A/en not_active Expired - Lifetime
-
1974
- 1974-03-18 JP JP1974031599U patent/JPS50121204U/ja active Pending
- 1974-03-18 GB GB1190474A patent/GB1461491A/en not_active Expired
- 1974-03-19 ZA ZA00741806A patent/ZA741806B/en unknown
- 1974-03-20 CA CA195,558A patent/CA998079A/en not_active Expired
- 1974-03-26 AR AR252973A patent/AR211908A1/en active
- 1974-03-27 DE DE7410687U patent/DE7410687U/en not_active Expired
- 1974-03-27 DE DE2414723A patent/DE2414723A1/en not_active Withdrawn
- 1974-03-28 FR FR7410813A patent/FR2223823B1/fr not_active Expired
- 1974-03-28 ES ES424715A patent/ES424715A1/en not_active Expired
- 1974-03-29 BR BR2531/74A patent/BR7402531D0/en unknown
- 1974-03-29 BE BE142591A patent/BE813004A/en unknown
- 1974-03-29 JP JP1974035199U patent/JPS541023Y2/ja not_active Expired
- 1974-04-02 IT IT49919/74A patent/IT1069260B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1069260B (en) | 1985-03-25 |
| CA998079A (en) | 1976-10-05 |
| JPS50121204U (en) | 1975-10-03 |
| JPS541023Y2 (en) | 1979-01-18 |
| US3797007A (en) | 1974-03-12 |
| ES424715A1 (en) | 1976-06-01 |
| AU6716074A (en) | 1975-10-02 |
| BE813004A (en) | 1974-09-30 |
| FR2223823B1 (en) | 1980-03-28 |
| FR2223823A1 (en) | 1974-10-25 |
| DE7410687U (en) | 1974-07-18 |
| GB1461491A (en) | 1977-01-13 |
| AR211908A1 (en) | 1978-04-14 |
| BR7402531D0 (en) | 1974-11-19 |
| DE2414723A1 (en) | 1974-10-10 |
| JPS49149972U (en) | 1974-12-25 |
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