DE29809853U1 - Explosionssicherheitsschaltungen der Schutzklasse Ex ia IIC - Google Patents

Explosionssicherheitsschaltungen der Schutzklasse Ex ia IIC

Info

Publication number
DE29809853U1
DE29809853U1 DE29809853U DE29809853U DE29809853U1 DE 29809853 U1 DE29809853 U1 DE 29809853U1 DE 29809853 U DE29809853 U DE 29809853U DE 29809853 U DE29809853 U DE 29809853U DE 29809853 U1 DE29809853 U1 DE 29809853U1
Authority
DE
Germany
Prior art keywords
iic
protection class
explosion safety
safety circuits
circuits
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 - Lifetime
Application number
DE29809853U
Other languages
English (en)
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.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and Co KG
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 Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Publication of DE29809853U1 publication Critical patent/DE29809853U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/008—Intrinsically safe circuits
DE29809853U 1997-06-04 1998-06-03 Explosionssicherheitsschaltungen der Schutzklasse Ex ia IIC Expired - Lifetime DE29809853U1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97810349 1997-06-04

Publications (1)

Publication Number Publication Date
DE29809853U1 true DE29809853U1 (de) 1998-09-17

Family

ID=8230251

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29809853U Expired - Lifetime DE29809853U1 (de) 1997-06-04 1998-06-03 Explosionssicherheitsschaltungen der Schutzklasse Ex ia IIC

Country Status (1)

Country Link
DE (1) DE29809853U1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014112452A1 (de) 2014-08-29 2016-03-03 Endress + Hauser Flowtec Ag Explosionsschutzschaltung mit Impedanzanpassung
WO2020210171A1 (en) * 2019-04-11 2020-10-15 Graco Minnesota Inc. Trapezoidal power-supply barrier between hazardous and normal locations

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014112452A1 (de) 2014-08-29 2016-03-03 Endress + Hauser Flowtec Ag Explosionsschutzschaltung mit Impedanzanpassung
DE102014112452B4 (de) 2014-08-29 2022-03-31 Endress + Hauser Flowtec Ag Explosionsschutzschaltung mit Impedanzanpassung
WO2020210171A1 (en) * 2019-04-11 2020-10-15 Graco Minnesota Inc. Trapezoidal power-supply barrier between hazardous and normal locations

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19981029

R150 Term of protection extended to 6 years

Effective date: 20010709

R081 Change of applicant/patentee

Owner name: ENDRESS + HAUSER GMBH + CO. KG, DE

Free format text: FORMER OWNER: ENDRESS + HAUSER GMBH + CO., 79689 MAULBURG, DE

Effective date: 20020527

R151 Term of protection extended to 8 years

Effective date: 20040708

R152 Term of protection extended to 10 years

Effective date: 20060629

R071 Expiry of right