BS 88-4(1988) : 1988 AMD 14545
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 THE PROTECTION OF SEMICONDUCTOR DEVICES
10-29-2003
11-23-2012
National foreword
Committees responsible
Explanatory note
Clause
1 General
1.1 Scope
1.2 Object
2 Definitions
2.2 General terms
3 Conditions for operation in service
3.4 Voltage
3.5 Current
3.6 Frequency, power factor and time constant
3.10 Temperature inside an enclosure
5 Characteristics of fuses
5.1 Summary of characteristics
5.2 Rated voltage
5.4 Rated frequency
5.5 Rated power dissipation of the fuse-link
5.6 Limits of time-current characteristics
5.8 Cut-off current and I2t characteristics
5.9 Arc voltage characteristics
6 Markings
6.2 Markings on fuse-links
7 Standard conditions for construction
7.3 Temperature rise and power dissipation of the
fuse-link
7.4 Operation
7.5 Breaking capacity
7.7 I2t characteristics
7.14 Arc voltage characteristics
7.15 Special operating conditions
8 Tests
8.1 General
8.3 Verification of the temperature-rise limits and
power dissipation
8.4 Verification of operation
8.5 Verification of the breaking capacity
8.6 Verification of the cut-off current
characteristic
8.7 Verification of the I2t characteristics and
overcurrent discrimination
Figures
Z1 Trip indicator fuses
Z2 Single body fuses
Z3 Twin body fuses (offset tag fuses)
Z4 Double body fuses (central tag fuses)
Appendix A Guide for the co-ordination of fuse-links
with semiconductor devices
Appendix B Survey on information to be supplied by the
manufacturer in his literature (catalogue)
for a fuse designed for the protection of
semiconductor devices
National appendix Z Dimensions of semiconductor fuse-
links in common use in the UK
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