FR325188A - Improvements to electrical switches - Google Patents
Improvements to electrical switchesInfo
- Publication number
- FR325188A FR325188A FR325188DA FR325188A FR 325188 A FR325188 A FR 325188A FR 325188D A FR325188D A FR 325188DA FR 325188 A FR325188 A FR 325188A
- Authority
- FR
- France
- Prior art keywords
- electrical switches
- switches
- electrical
- 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
- H01H73/42—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 rotatable knob or wheel
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR325188T | 1902-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR325188A true FR325188A (en) | 1903-04-21 |
Family
ID=1375364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR325188D Expired FR325188A (en) | 1902-09-20 | 1902-09-20 | Improvements to electrical switches |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR325188A (en) |
-
1902
- 1902-09-20 FR FR325188D patent/FR325188A/en not_active Expired
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