BS 7288:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
06-02-2020
English
31-08-1990
Committees responsible
Foreword
Specification
1. Scope
2. Definitions and symbols
3. Classification
4. Rated values
5. Marking and labelling
6. Service conditions
7. Design and construction
8. Type tests
9. Routine tests
Appendices
A. Requirements relating to other standards in
connection with s.r.c.d.'s
B. Function of the test circuit
C. Measurement of creepage distances and clearances
D. Transformer balance test
Tables
1. Type testing schedule
2. Loading of socket-outlets for temperature rise test
3. Endurance test sequence
4. Torque values for screws and nuts
5. Application of glow-wire test
Figures
1. Test circuit for earth fault breaking current test
2. Pendulum impact test apparatus
3. Test circuit for endurance test
4. Test circuit for circuit fault current test
5. Ball pressure test apparatus
6. Typical circuit diagram for an s.r.c.d.
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