FR348826A - Protection device for electrical circuits - Google Patents

Protection device for electrical circuits

Info

Publication number
FR348826A
FR348826A FR348826A FR348826DA FR348826A FR 348826 A FR348826 A FR 348826A FR 348826 A FR348826 A FR 348826A FR 348826D A FR348826D A FR 348826DA FR 348826 A FR348826 A FR 348826A
Authority
FR
France
Prior art keywords
protection device
electrical circuits
circuits
electrical
protection
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
Application number
FR348826A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TELEPHONES CONST ELECTR SOC IN
Original Assignee
TELEPHONES CONST ELECTR SOC IN
Filing date
Publication date
Application filed by TELEPHONES CONST ELECTR SOC IN filed Critical TELEPHONES CONST ELECTR SOC IN
Application granted granted Critical
Publication of FR348826A publication Critical patent/FR348826A/en
Expired legal-status Critical Current

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)
  • Telephone Set Structure (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
FR348826A 1904-12-13 Protection device for electrical circuits Expired FR348826A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR348826T

Publications (1)

Publication Number Publication Date
FR348826A true FR348826A (en) 1905-04-27

Family

ID=8892673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR348826A Expired FR348826A (en) 1904-12-13 Protection device for electrical circuits

Country Status (2)

Country Link
DE (1) DE191923C (en)
FR (1) FR348826A (en)

Also Published As

Publication number Publication date
DE191923C (en)

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