BS 787-4:1972
Current
The latest, up-to-date edition.
Specification for mining type flameproof gate-end boxes Gate-end boxes for drilling machines (for use on 3-phase a.c. circuits up to 650 V)
Hardcopy , PDF
English
25-01-1972
Important note : All end users must be registered with an Account prior to user licenses being assigned.
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 controlling electrically operated drilling machines. Service conditions; ratings, design, construction and means of protection; test requirements.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 70/34177 DC (10/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
18
|
| 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 controlling one or two electrically-operated drilling machines.
NOTE The titles of the British Standards referred to in this standard are listed on page ii.
| Standards | Relationship |
| UNE-EN 1834-2:2000 | Identical |
| BS 861-2(1972) : LATEST | |
| BS 171:1970 | Specification for power transformers |
| BS 2613(1970) : LATEST | ELECTRICAL PERFORMANCE OF ROTATING MACHINES |
| BS 3871-1:1965 | Specification for miniature and moulded case circuit-breakers Miniature air-break circuit-breakers for a.c. circuits |
| BS 587:1957 | Specification. Motor starters and controllers |
| BS 159:1957 | Specification. Busbars and busbar connections |
| BS 542:1973 | Specification for cable glands and sealing boxes for association with apparatus for use at mines and quarries |
| BS 1395(1948) : LATEST | 30 AMPERE FLAMEPROOF PLUGS AND SOCKETS AND CABLE COUPLERS |
| BS 3101:1959 | Specification. Intrinsically-safe remote-control circuits associated with restrained plugs and sockets for use in coal mines |
| 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 3871-2(1966) : LATEST | SPECIFICATION FOR MINATURE AND MOULDED CASE CIRCUIT BREAKERS - BREAKERS FOR A.C. AND D.C. CIRCUITS |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.