BS 88-5:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Cartridge fuses for voltages up to and including 1000 V a.c. and 1500 V d.c. Specification of supplementary requirements for fuse-links for use in a.c. electricity supply networks
Hardcopy , PDF
29-06-2007
English
31-10-1988
Foreword
Committees responsible
Specification
1 General
1.1 Scope
1.2 Object
1.3 Compliance
2 Definitions
2.3 Characteristic quantities
3 Conditions for operation in service
3.9 Discrimination of 'gG' and 'gM' fuses
5 Characteristics of fuses
5.2 Rated voltage
5.3 Rated current
5.5 Rated power dissipation
5.6 Time and current dependent characteristics
5.7 Rated breaking capacity
5.8 Cut-off current and I2t characteristics
5.9 Dimensions
7 Standard conditions for construction
7.5 Breaking capacity
7.6 Cut-off characteristics
7.7 I2t characteristics
7.8 Overcurrent discrimination
8 Tests
8.1 General
8.3 Verification of temperature-rise limit, power
dissipation and acceptance
8.4 Verification of operation
8.5 Verification of breaking capacity
8.7 Verification of I2t characteristics and
overcurrent discrimination
8.10 Verification of non-deterioration of contacts
8.11 Mechanical and miscellaneous tests
Tables
1 Rated current values of fuse links
2 Maximum power dissipation values of fuse links
3 Cross-sectional area of conductors for power
dissipation and temperature-rise tests
Figures
1 Time/current zones
2 Dimensions for fuse-links with L type and U type tags
3 Power dissipation test rig
4 Breaking capacity test rig
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