FR947190A - Touche d'essai des disjoncteurs de protection contre les contacts acci dentels - Google Patents
Touche d'essai des disjoncteurs de protection contre les contacts acci dentelsInfo
- Publication number
- FR947190A FR947190A FR947190DA FR947190A FR 947190 A FR947190 A FR 947190A FR 947190D A FR947190D A FR 947190DA FR 947190 A FR947190 A FR 947190A
- Authority
- FR
- France
- Prior art keywords
- protection against
- circuit breakers
- test button
- against accidental
- accidental contact
- 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
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/506—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member with a make-break action in a single operation
-
- 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
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH947190X | 1947-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR947190A true FR947190A (fr) | 1949-06-24 |
Family
ID=4549804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR947190D Expired FR947190A (fr) | 1947-04-12 | 1947-05-23 | Touche d'essai des disjoncteurs de protection contre les contacts acci dentels |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH254654A (sv) |
FR (1) | FR947190A (sv) |
NL (1) | NL69964C (sv) |
-
0
- NL NL69964D patent/NL69964C/xx active
-
1947
- 1947-04-12 CH CH254654D patent/CH254654A/de unknown
- 1947-05-23 FR FR947190D patent/FR947190A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL69964C (sv) | |
CH254654A (de) | 1948-05-15 |
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