BS 787-4:1972 - 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)

BS 787-4:1972

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)

Status : Confirmed, Current   Published : January 1972

Format
PDF

Format
HARDCOPY



For controlling electrically operated drilling machines. Service conditions; ratings, design, construction and means of protection; test requirements.




Standard NumberBS 787-4:1972
TitleSpecification 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)
StatusConfirmed, Current
Publication Date25 January 1972
Confirm Date24 May 2021
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
DescriptorsElectrical safety, Dry-type transformers, Protected electrical equipment, Gate-end boxes, Electrical protection equipment, Type testing, Power transformers, Rated current, Design, Endurance testing, Electric enclosures, High-voltage tests, Mining equipment, Drilling (mineral extraction), Rated voltage, Rated frequencies, Frequency changers, Transformers, Electric connectors, Temperature rise, Marking, Drilling machines
ICS29.130.20
29.260.20
Title in FrenchBoites de fin de voie anti-deflagrantes pour mines. Specification. Boites de fin de voie pour foreuses (pour circuits c.a. triphases jusqu'a 650 V)
Title in GermanFlammfeste Abbauortboxen fuer den Bergbau. Spezifikation. Abbauortboxen fuer Bohrmaschinen (fuer dreiphasige Wechselstromkreise bis 650 V)
CommitteeMRE/3
ISBN0 580 06867 6
PublisherBSI
FormatA4
DeliveryYes
Pages18
File Size606 KB
Price£134.00


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