NL7504887A - SECURITY SWITCH, ESPECIALLY FOR A TELECOMMUNICATIONS POWER CHAIN. - Google Patents

SECURITY SWITCH, ESPECIALLY FOR A TELECOMMUNICATIONS POWER CHAIN.

Info

Publication number
NL7504887A
NL7504887A NL7504887A NL7504887A NL7504887A NL 7504887 A NL7504887 A NL 7504887A NL 7504887 A NL7504887 A NL 7504887A NL 7504887 A NL7504887 A NL 7504887A NL 7504887 A NL7504887 A NL 7504887A
Authority
NL
Netherlands
Prior art keywords
power chain
security switch
telecommunications power
telecommunications
security
Prior art date
Application number
NL7504887A
Other languages
Dutch (nl)
Other versions
NL179769C (en
NL179769B (en
Original Assignee
Widmaier Fa Hans
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Widmaier Fa Hans filed Critical Widmaier Fa Hans
Publication of NL7504887A publication Critical patent/NL7504887A/en
Publication of NL179769B publication Critical patent/NL179769B/en
Application granted granted Critical
Publication of NL179769C publication Critical patent/NL179769C/en

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)
NL7504887A 1974-04-24 1975-04-24 ELECTRICAL SAFETY SWITCH. NL179769C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742419829 DE2419829C3 (en) 1974-04-24 1974-04-24 Circuit breakers, in particular for telecommunication circuits

Publications (3)

Publication Number Publication Date
NL7504887A true NL7504887A (en) 1975-10-28
NL179769B NL179769B (en) 1986-06-02
NL179769C NL179769C (en) 1986-11-03

Family

ID=5913813

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7504887A NL179769C (en) 1974-04-24 1975-04-24 ELECTRICAL SAFETY SWITCH.

Country Status (6)

Country Link
AT (1) AT356746B (en)
CH (1) CH593555A5 (en)
DE (1) DE2419829C3 (en)
FR (1) FR2269187A1 (en)
IT (1) IT1037418B (en)
NL (1) NL179769C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818636C2 (en) * 1978-04-27 1986-10-30 Hans Widmaier Fabrik für Apparate der Fernmelde- und Feinwerktechnik, 8000 München Circuit breakers, in particular for telecommunication circuits

Also Published As

Publication number Publication date
AT356746B (en) 1980-05-27
FR2269187B1 (en) 1981-07-24
DE2419829B2 (en) 1978-02-02
NL179769C (en) 1986-11-03
ATA205775A (en) 1979-10-15
NL179769B (en) 1986-06-02
DE2419829A1 (en) 1975-11-13
CH593555A5 (en) 1977-12-15
IT1037418B (en) 1979-11-10
DE2419829C3 (en) 1978-10-05
FR2269187A1 (en) 1975-11-21

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee