FR1091720A - Improvements to overcurrent relays - Google Patents
Improvements to overcurrent relaysInfo
- Publication number
- FR1091720A FR1091720A FR1091720DA FR1091720A FR 1091720 A FR1091720 A FR 1091720A FR 1091720D A FR1091720D A FR 1091720DA FR 1091720 A FR1091720 A FR 1091720A
- Authority
- FR
- France
- Prior art keywords
- overcurrent relays
- overcurrent
- relays
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
- H01H73/44—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by push-button, pull-knob or slide
-
- 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
- H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
- H01H2071/506—Latching devices between operating and release mechanism using balls or rollers in the latching 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
- H01H2083/205—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 having shunt or UVR tripping device with integrated mechanical energy accumulator
-
- 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
- H01H2083/208—Converting under voltage release [UVR] and shunt release
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1091720T | 1953-08-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1091720A true FR1091720A (en) | 1955-04-14 |
Family
ID=9615564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1091720D Expired FR1091720A (en) | 1953-08-26 | 1953-08-26 | Improvements to overcurrent relays |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1091720A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2637121A1 (en) * | 1988-09-27 | 1990-03-30 | Merlin Gerin | Auxiliary trip unit with reversible electromagnet for circuit breaker |
EP0620580A1 (en) * | 1993-04-16 | 1994-10-19 | Schneider Electric Sa | Auxiliary trip device for circuit breaker |
-
1953
- 1953-08-26 FR FR1091720D patent/FR1091720A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2637121A1 (en) * | 1988-09-27 | 1990-03-30 | Merlin Gerin | Auxiliary trip unit with reversible electromagnet for circuit breaker |
EP0620580A1 (en) * | 1993-04-16 | 1994-10-19 | Schneider Electric Sa | Auxiliary trip device for circuit breaker |
FR2704090A1 (en) * | 1993-04-16 | 1994-10-21 | Merlin Gerin | Auxiliary Trigger for Circuit Breaker. |
US5512720A (en) * | 1993-04-16 | 1996-04-30 | Merlin Gerin | Auxiliary trip device for a circuit breaker |
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