BS 4293:1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for residual current-operated circuit-breakers
Hardcopy , PDF
English
29-07-1983
15-03-1995
Foreword
Committees responsible
Specification
1 Scope
2 Definitions and symbols
3 General
4 Ratings
5 Marking
6 Service conditions
7 Design and construction
8 Tests
9 Condition of the circuit-breaker after test
Appendices
A Preferred ratings for voltage, current, tripping
current and frequency
B Function of the test device
C Transformer balance test
D Application of residual current-operated circuit-
breakers
Tables
1 Table deleted
2 Terminal capacities
3 Test cables
4 High voltage test values
5 Endurance test sequence
6 Prospective current values
7 Voltage ratings
Figures
1 Test circuit for circuit fault current test
2 Earth fault breaking current test
3 Typical circuit diagram for a residual current-
operated circuit-breaker
Requirements for rating, design, construction and testing of residual current operated circuit breakers having a rated voltage not exceeding 660 V, a rated current not exceeding 125 A and a rated frequency not exceeding 400 Hz. Includes circuit breakers utilizing auxiliary sources and circuit breakers with electronic circuitry.
| Committee |
PEL/23/1
|
| DevelopmentNote |
Supersedes 81/31957 DC, 84/24252 DC and BS 4293(1968). (06/2005)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| DEFSTAN 61-5(PT2)SEC2/2(2006) : 2006 | LOW VOLTAGE ELECTRICAL POWER SUPPLY SYSTEMS - GROUND GENERATING SET CHARACTERISTICS - GENERAL DESIGN REQUIREMENTS |
| DEFSTAN 61-5(PT3)SEC1/2(1992) : 1992 | ELECTRICAL POWER SUPPLY SYSTEMS BELOW 650 VOLTS - PART 3: DISTRIBUTION AND PROTECTION REQUIREMENTS - SECTION 1: EARTHING |
| BS 7909:1998 | Code of practice for design and installation of temporary distribution systems delivering a.c. electrical supplies for lighting, technical services and other entertainment related purposes |
| BS 7361-1:1991 | Cathodic protection Code of practice for land and marine applications |
| BS 5588-6:1991 | Fire precautions in the design, construction and use of buildings Code of practice for places of assembly |
| BS 5974:1990 | Code of practice for temporarily installed suspended scaffolds and access equipment |
| BS 5974:2010 | Code of practice for the planning, design, setting up and use of temporary suspended access equipment |
| BS 5550-7.5.2:1981 | Cinematography. Production and presentation. Film and television location lighting Specification for location lighting power distribution units |
| BS 7375:1996 | Code of practice for distribution of electricity on construction and building sites |
| BS 4444:1989 | Guide to electrical earth monitoring and protective conductor proving |
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| BS 7430:1998 | Code of practice for earthing |
| BS 7909:2008 | Code of practice for temporary electrical systems for entertainment and related purposes |
| BS 5502-25:1991 | Buildings and structures for agriculture Code of practice for design and installation of services and facilities |
| BS 7909:2011 | Code of practice for temporary electrical systems for entertainment and related purposes |
| BS 5776:1996 | Specification for powered stairlifts |
| BS 7036-1:1996 | Code of practice for safety at powered doors for pedestrian use General |
| BS 4163:2000 | Health and safety for design and technology in schools and similar establishments. Code of practice |
| BS 7071:1992 | Specification for portable residual current devices |
| DEFSTAN 61-16/1(1982) : 1982 | DIFFERENTIAL CURRENT OPERATED EARTH-LEAKAGE CIRCUIT BREAKERS |
| BS 5419:1977 | Specification for air-break switches, air-break disconnectors, air-break switch disconnectors and fuse-combination units for voltages up to and including 1000 V a.c. and 1200 V d.c. |
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