IT1037418B - Interruttore elettrico di sicurezza specie per circuiti di teleco municazioni - Google Patents
Interruttore elettrico di sicurezza specie per circuiti di teleco municazioniInfo
- Publication number
- IT1037418B IT1037418B IT2248575A IT2248575A IT1037418B IT 1037418 B IT1037418 B IT 1037418B IT 2248575 A IT2248575 A IT 2248575A IT 2248575 A IT2248575 A IT 2248575A IT 1037418 B IT1037418 B IT 1037418B
- Authority
- IT
- Italy
- Prior art keywords
- teleco
- munication
- circuits
- safety switch
- electric safety
- Prior art date
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
- H01H73/48—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 both electrothermal and electromagnetic automatic release
- H01H73/56—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 both electrothermal and electromagnetic automatic release reset by push-button, pull-knob or slide
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742419829 DE2419829C3 (de) | 1974-04-24 | 1974-04-24 | Schutzschalter, insbesondere für Fernmeldestromkreise |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1037418B true IT1037418B (it) | 1979-11-10 |
Family
ID=5913813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2248575A IT1037418B (it) | 1974-04-24 | 1975-04-18 | Interruttore elettrico di sicurezza specie per circuiti di teleco municazioni |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT356746B (nl) |
CH (1) | CH593555A5 (nl) |
DE (1) | DE2419829C3 (nl) |
FR (1) | FR2269187A1 (nl) |
IT (1) | IT1037418B (nl) |
NL (1) | NL179769C (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2818636C2 (de) * | 1978-04-27 | 1986-10-30 | Hans Widmaier Fabrik für Apparate der Fernmelde- und Feinwerktechnik, 8000 München | Schutzschalter, insbesondere für Fernmeldestromkreise |
-
1974
- 1974-04-24 DE DE19742419829 patent/DE2419829C3/de not_active Expired
-
1975
- 1975-03-18 AT AT205775A patent/AT356746B/de not_active IP Right Cessation
- 1975-04-14 CH CH471475A patent/CH593555A5/xx not_active IP Right Cessation
- 1975-04-18 IT IT2248575A patent/IT1037418B/it active
- 1975-04-18 FR FR7512080A patent/FR2269187A1/fr active Granted
- 1975-04-24 NL NL7504887A patent/NL179769C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT356746B (de) | 1980-05-27 |
NL7504887A (nl) | 1975-10-28 |
FR2269187B1 (nl) | 1981-07-24 |
DE2419829B2 (de) | 1978-02-02 |
NL179769C (nl) | 1986-11-03 |
ATA205775A (de) | 1979-10-15 |
NL179769B (nl) | 1986-06-02 |
DE2419829A1 (de) | 1975-11-13 |
CH593555A5 (nl) | 1977-12-15 |
DE2419829C3 (de) | 1978-10-05 |
FR2269187A1 (en) | 1975-11-21 |
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