IT1015562B - Interruttore automatico differenzia le - Google Patents

Interruttore automatico differenzia le

Info

Publication number
IT1015562B
IT1015562B IT2463274A IT2463274A IT1015562B IT 1015562 B IT1015562 B IT 1015562B IT 2463274 A IT2463274 A IT 2463274A IT 2463274 A IT2463274 A IT 2463274A IT 1015562 B IT1015562 B IT 1015562B
Authority
IT
Italy
Prior art keywords
difference switch
automatic difference
automatic
switch
difference
Prior art date
Application number
IT2463274A
Other languages
English (en)
Italian (it)
Original Assignee
Felten U Guilleaume Gmbh
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 Felten U Guilleaume Gmbh filed Critical Felten U Guilleaume Gmbh
Application granted granted Critical
Publication of IT1015562B publication Critical patent/IT1015562B/it

Links

Classifications

    • 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
    • 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
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)
IT2463274A 1973-11-06 1974-06-28 Interruttore automatico differenzia le IT1015562B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732355306 DE2355306C2 (de) 1973-11-06 1973-11-06 Fehlerstrom-Schutzschalter

Publications (1)

Publication Number Publication Date
IT1015562B true IT1015562B (it) 1977-05-20

Family

ID=5897283

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2463274A IT1015562B (it) 1973-11-06 1974-06-28 Interruttore automatico differenzia le

Country Status (9)

Country Link
AT (1) AT329663B (fr)
BE (1) BE816233A (fr)
CH (1) CH567332A5 (fr)
DE (1) DE2355306C2 (fr)
DK (1) DK132480C (fr)
ES (1) ES428010A1 (fr)
FR (1) FR2250194B1 (fr)
GB (1) GB1472422A (fr)
IT (1) IT1015562B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2915091C2 (de) * 1979-04-12 1981-07-30 Siemens AG, 1000 Berlin und 8000 München Fehlerstromschutzschalter
DE3508110A1 (de) * 1985-03-07 1986-09-11 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Schaltschloss mit schnelleinschaltung
GB8519740D0 (en) * 1985-08-06 1985-09-11 Ashley Accessories Ltd Mains electrical accessories
DE4011336A1 (de) * 1990-04-07 1991-10-10 Felten & Guilleaume Energie Fehlerstromschutzschalter in modulbauweise
JPH0421046U (fr) * 1990-06-12 1992-02-21
DE4428219C2 (de) * 1994-08-10 2003-11-13 Felten & Guilleaume Ag Abdeckung für Summenstromwandler

Also Published As

Publication number Publication date
ATA504074A (de) 1975-08-15
BE816233A (fr) 1974-09-30
FR2250194A1 (fr) 1975-05-30
GB1472422A (en) 1977-05-04
DE2355306C2 (de) 1974-12-05
DE2355306B1 (de) 1974-05-09
DK132480B (da) 1975-12-08
DK132480C (da) 1976-05-17
AT329663B (de) 1976-05-25
CH567332A5 (fr) 1975-09-30
FR2250194B1 (fr) 1979-05-04
ES428010A1 (es) 1976-07-16
DK576074A (fr) 1975-06-30

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