Specification for portable residual current devices

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-09-1992

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
1. Scope
2. Definitions and symbols
3. Classification
4. Rating
5. Marking and labelling
6. Service conditions
7. Design and construction
8. Type tests
9. Routine tests
Appendices
A. Relevant requirements and tests of standards for
    compatible plugs, adaptors and socket-outlets
B. Function of test circuit
C. Measurement of creepage distances and clearances
Tables
1. High voltage test values
1a. Limits of temperature rises
2. Endurance test sequence
3. Torque values for screws and nuts
4. Application of glow-wire test
Figures
1. Test circuit for earth fault breaking current test
2. Tumbling barrel
3. Typical circuit diagram for a portable rcd
4. Test circuit for circuit fault current test
5. Apparatus for flexing test
6. Apparatus for pressure test
7. Ball pressure test apparatus
8. Glow wire with thermocouple
9. Glow wire test apparatus
10. Arrangements and dimensions of the electrodes for
    the tracking test
11. Dispositions of portable rcd for testing test
    circuit operation

Specifies requirements for portable residual current devices (portable rods) (including devices using auxiliary devices and sources with electronic circuitry) for operation on an a.c. supply and having a rated voltage no greater than 250 V a.c. single phase, a rated frequency not over 400 Hz, a rated current not over 16 A and a rated residual operating current not exceeding 30 mA. Coverage includes definitions and symbols, classification, marking and labelling, service conditions, design and construction, and rating. Also includes appendices, tables and diagrams.

This British Standard specifies requirements for portable residual current devices (portable reds) (including devices using auxiliary sources and devices with electronic circuitry) for operation on an a.c. supply and having a rated voltage not exceeding 250 V a.c. single phase, a rated current not exceeding 16 A, a rated frequency not exceeding 400 Hz and a rated residual operating current not exceeding 30 mA. Portable reds incorporate a plug-pin portion and/or socket-outlet portion(s) and may include terminals for external flexible cords where appropriate. Portable reds with an intentional time delay are not covered by this standard.

NOTE. The titles of the publications referred to in this standard are listed on the inside back cover.

Committee	PEL/23
DevelopmentNote	Supersedes BS 7071(1989) and 90/32904 DC (04/2005) Withdrawn in error by publisher, now has been reinstated. (04/2008) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType	Standard
Pages	36
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 7071:1989

BS 4937-4:1973	International thermocouple reference tables Nickel -chromium/nickel - aluminium thermocouples. Type K
BS 3871-1:1965	Specification for miniature and moulded case circuit-breakers Miniature air-break circuit-breakers for a.c. circuits
BS 6221-3:1991	Printed wiring boards Guide for the design and use of printed wiring boards
BS 1363-3:1989	13 A plugs, socket-outlets and adaptors Specification for adaptors
BS 3444:1972	Specification for blockboard and laminboard
BS 3203:1979	Glossary of paper, board, pulp and related terms
BS 4293:1983	Specification for residual current-operated circuit-breakers
BS 4714:1980	Method for laboratory determination of density or relative density of crude petroleum and liquid petroleum products (hydrometer method)
BS 6217:1981	Guide to graphical symbols for use on electrical equipment
BS 1362:1973	Specification for general purpose fuse links for domestic and similar purposes (primarily for use in plugs)

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BS 7071:1992

Specification for portable residual current devices

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory