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BS 787-1:1969

Current

Current

The latest, up-to-date edition.

Specification for mining type flameproof gate-end boxes Gate-end boxes for direct-on-line motor starting (for use on 3-phase a.c. circuits up to 650 V)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

20-03-1969

£170.00
Excluding VAT

Cooperating organizations
Foreword
Specification
1. Scope
2. Definitions
3. Service conditions
4. Ratings
5. Marking
6. Design and construction
7. Tests
8. Information to be supplied to the manufacturer
     with the enquiry
Appendix
A. Metric values
Figures
1. Arrangement of busbar chamber end flange,
     terminals and interconnections
2. Busbar interconnecting trunk
3. Skid coupling arrangement
4. Busbar end cover

For boxes with a range of three current ratings, having air-break electrically operated contactor which, with associated equipment, provides for control and protection of coalface machinery. Design and construction; attachment of cables; coupling of units; means of isolation; main contactor; test methods.

Committee
W/-
DevelopmentNote
Reviewed and confirmed by BSI, January 2011. (12/2010)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Current

This British Standard specifies requirements for flameproof gate-end boxes designed primarily for use, in the mining industry, on 3-phase a.c. circuits up to 650 V, for direct-on-line contactor starting and for the protection of coalcutters, conveyors, loaders and the like.

Standards Relationship
UNE-EN 13458-3:2003 Identical

BS 5126-1:1993 Mining type flameproof supply and control units for use on systems up to 1100 V Specification for direct-on-line motor starters
BS 5126-4:1993 Mining type flameproof supply and control units for use on systems up to 1100 V Specification for air-cooled transformers to power drilling machines
BS 5126-2:1993 Mining type flameproof supply and control units for use on systems up to 1100 V Specification for circuit breaker units
BS 5126-3:1993 Mining type flameproof supply and control units for use on systems up to 1100 V Specification for air-cooled lighting transformer units

BS 279(1947) : LATEST 100-AMPERE FLAMEPROOF PLUGS AND SOCKETS (RESTRAINED TYPE)
BS 587:1957 Specification. Motor starters and controllers
BS 542:1973 Specification for cable glands and sealing boxes for association with apparatus for use at mines and quarries
BS 88(1952) : LATEST CARTRIDGE FUSES FOR VOLTAGES UP TO AND INCLUDING 1000 V a.c. AND 1500 V d.c.
BS 350:2004 Conversion factors for units
BS 3454:1984 Specification for 1.9/3.3 kV, 300 A bolted flameproof cable couplers and adaptors (including 380/660 V and 640/1100 V, 300 A adaptors), primarily for use in mines

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