BS DD158(1987) : 1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
FILTERS FOR MAINS SIGNALLING SYSTEMS
Hardcopy , PDF
24-01-2002
English
01-01-1987
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Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Symbols
4. Marking
5. Ratings and characteristics
6. Service conditions
7. Design and construction
8. Tests
Tables
1. Symbols for identification of terminations
2. Terminal capacities
3. Clearances and creepage distances
4. Sizes of cable for tests
5. Test voltages
Figures
1. Leakage current measurement at operating temperature
for single-phase connection of filters
2. Leakage current measurement at operating temperature
for three-phase connection of filters
Lays down requirements for filters for fixed installation in conjunction with mains signalling systems, for the rejection of unwanted mains signals and interference in a.c. circuits having a voltage not exceeding 660 V, a current not exceeding 300 A and mains supply frequencies of 50 Hz to 60 Hz. Does not apply to general purpose filters for electromagnetic interference suppression. Does not apply to filters for use in an atmosphere subject to excessive pollution by smoke, chemical fumes, salt laden spray, prolonged periods of high humidity or other abnormal conditions. Covers definitions, symbols, marking, ratings and characteristics, service conditions, design and construction and tests.
| Committee |
PEL/122
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 7150:1989 | Code of practice for intruder alarm systems with mains wiring communication |
| BS 2011-2.1B:1977 | Environmental testing. Tests Tests B. Dry Heat |
| BS 6458-2.2(1984) : 1984 | FIRE HAZARD TESTING FOR ELECTROTECHNICAL PRODUCTS - METHODS OF TEST - NEEDLE FLAME TEST |
| BS 6839-1:1987 | Mains signalling equipment. Specification for communication and interference limits and measurements |
| BS 2011-2.1Ca:1977 | Environmental testing. Tests Test Ca. Damp heat, steady state |
| BS 6458-2.1:1984 | Fire hazard testing for electrotechnical products. Test methods Glow-wire test |
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