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AS/NZS 3111:2009
[Current]Approval and test specification — Miniature overcurrent circuit-breakers
Specifies essential safety requirements for approval and test purposes for miniature overcurrent circuit-breakers. It is intended to be read in conjunction with AS/NZS 3100.
Published: 21/01/2009
Pages: 16
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Application
2.1 General requirements of AS/NZS 3100
2.2 Compliance with this Standard and deemed alternative standards
2.2.1 This Standard
2.2.2 Deemed alternatives
2.3 Circuit-breakers with earth-leakage features
3 Referenced documents
4 Definitions
5 Ratings and markings
5.1 Preferred current ratings
5.2 Marking
5.2.1 Required marking
5.2.2 Method of marking
6 Design
6.1 Contact position
6.2 Breaking capacity
6.2.1 General
6.2.2 Requirements
6.3 Overcurrent device sealing and calibration
6.3.1 General
6.3.2 Calibration
6.3.3 Instantaneous tripping
6.4 Temperature limits
6.5 Multi-pole circuit-breakers
6.5.1 General
6.5.2 Switched neutral
6.6 Insulation
6.7 Case
6.8 Protection against corrosion
6.9 Method of operation
6.10 Mechanical stability
6.11 Spacing between terminals intended for field wiring
7 Tests
7.1 General
7.1.1 Sequence of tests
7.1.2 Test requirements
7.1.2.1 Testing a range of circuit-breakers
7.1.2.2 Circuit-breakers with marked line and load connections
7.1.2.3 Circuit-breakers without marked line and load connections
7.1.3 Cases and covers
7.1.4 Mounting position
7.1.5 Frequency
7.1.6 Voltage
7.1.7 Tolerances
7.2 Projected area
7.3 Resistance to fire test
7.4 Earthing facilities
7.5 Dielectric tests
7.5.1 Insulation resistance test
7.5.2 High voltage test
7.6 Temperature test
7.7 Mechanical test
7.8 Load test
7.9 Additional tests
7.10 Performance test
7.11 Breaking capacity test
7.11.1 General
7.11.2 Source of supply
7.11.3 Timing
7.11.4 Connection of metal parts
7.11.5 Arcing
7.12 Inspection of circuit-breaker
Amendment control sheet
Cited references in this standard
[Pending Revision]
Electrical accessories — Circuit-breakers for overcurrent protection for household and similar installations, Part 1: Circuit-breakers for a.c. operation (IEC 60898-1, Ed. 1.2 (2003) MOD)
[Current]
Approval and test specification — General requirements for electrical equipment
[Current]
Approval and test specification - Residual current devices (current operated earth-leakage devices)
[Pending Revision]
Electrical accessories — Circuit-breakers for overcurrent protection for household and similar installations, Part 1: Circuit-breakers for a.c. operation (IEC 60898-1, Ed. 1.2 (2003) MOD)
Content history
[Current]
[Current]
[Superseded]
[Superseded]
AS/NZS 3111:2009 REC:2020
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