BS 7654:1993

Superseded

View Superseded by

Specification for single phase street lighting fuses (cut-outs) for low-voltage public electricity distribution systems. 25 A rating for highway power supplies and street furniture

Available format(s)

Hardcopy , PDF

Superseded date

15-07-1997

Language(s)

English

Published date

15-06-1993

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1. General
1.1 Scope
1.2 Vacant
1.3 References
1.3.1 Normative references
1.3.2 Informative references
2. Definitions
3. Classification
3.101 Type 1
3.102 Type 2
4. Characteristics
4.1 General
4.2 Type of equipment
4.3 Rated and limiting values for the main circuit
5. Product information
5.1 Nature of information
5.2 Marking
6. Normal service and mounting conditions
6.1 Normal service conditions
6.1.1 Ambient air temperature
6.2 Vacant
6.3 Mounting
7. Constructional and performance requirements
7.1 Constructional requirements
7.1.1 Materials
7.1.2 Current-carrying parts and their connections
7.1.3 Clearances and creepage distances
7.1.4 Vacant
7.1.5 Vacant
7.1.6 Vacant
7.1.7 Terminals
7.1.8 Vacant
7.1.9 Vacant
7.1.10 Enclosures for equipment
7.1.11 Degrees of protection of enclosed equipment
7.2 Performance requirements
7.2.1 Vacant
7.2.2 Temperature-rise
7.2.3 Dielectric properties
7.2.101Performance on overload and short circuit
8. Tests
8.1 Kinds of tests
8.1.1 General
8.1.2 Type tests
8.2 Conformity with constructional requirements
8.2.1 Materials
8.2.2 Equipment
8.2.3 Enclosures for equipment
8.2.4 Mechanical properties of terminals
8.3 Performance
8.3.1 Vacant
8.3.2 General test conditions
8.3.3 Performance under no load, normal load and
overload conditions
8.3.4 Performance under short-circuit conditions
Tables
101. Type tests
102. Maximum temperature-rise at rated current
103. Values for overload test current
Figures
101. Fuse-links street lighting fuses
102. Time current zones for 6A, 16A and 25A
103. Time current zones for 10A and 20A
104. Pillar terminal with direct pressure
105. Apparatus for impact test
List of references

Specifies the requirements and tests for use with single phase or one phase of a three phase electricity supply 440 V a.c. (max) supply system at 50 Hz with the neutral effectively earthed.

Committee	PEL/17
DevelopmentNote	Supersedes ENA TS 12-19. (05/2006)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS 7654:1997
Supersedes	92/21881 DC : MAR 92 ENA TS 12-19 : ISSUE 1

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