NL32003C - - Google Patents
Info
- Publication number
- NL32003C NL32003C NL32003DA NL32003C NL 32003 C NL32003 C NL 32003C NL 32003D A NL32003D A NL 32003DA NL 32003 C NL32003 C NL 32003C
- Authority
- NL
- Netherlands
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load
- H02H3/13—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load for multiphase applications, e.g. phase interruption
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- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB527031A GB370122A (en) | 1931-02-19 | 1931-02-19 | Improvements in or relating to voltage failure protection devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL32003C true NL32003C (en:Method) |
Family
ID=9792924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32003D NL32003C (en:Method) | 1931-02-19 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB370122A (en:Method) |
| NL (1) | NL32003C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741080C (de) * | 1938-05-31 | 1943-11-04 | Siemens Ag | Elektromagnetische Schalt- bzw. Steuereinrichtung |
| GB549421A (en) * | 1941-06-13 | 1942-11-20 | Allen West & Co Ltd | Improvements in or relating to relays for protecting electric circuits |
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0
- NL NL32003D patent/NL32003C/xx active
-
1931
- 1931-02-19 GB GB527031A patent/GB370122A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB370122A (en) | 1932-04-07 |