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BS 587:1957

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Specification. Motor starters and controllers

Available format(s)

Hardcopy , PDF

Superseded date

15-12-1997

Language(s)

English

Published date

20-02-1957

€271.12
Excluding VAT

Co-operating organizations
Foreword
1 Scope
2 Definitions
3 Types of enclosure
4 Service conditions
4.1 Ambient temperature
4.2 Altitude
4.3 Atmosphere
5 Ratings, sizes and markings
5.1 Standard supply voltages
5.2 Standard a.c. supply frequency
5.3 Classes of mechanical duty for starters
5.4 Duty rating of switching starter models
5.5 Duty rating of auto-transformer starter models
5.6 Duty rating of rheostatic starter models
5.7 Duty rating of rheostatic controller models
5.8 Peak currents of rheostatic starters and
      controllers and associated resistors
5.9 Standard sizes of starters and controllers
5.10 Rotor currents and voltages
5.11 Marking
5.12 Terminal markings
6 Resistors for use with motor control gear
6.1 Duty rating of resistors for starters or
      controllers
6.2 Intermittent rating
6.3 Intermittent rating with creeping speeds
6.4 Limited continuous rating
6.5 Wholly continuous rating
6.6 Rating for general purpose resistors
7 Design and construction
7.1 Mounting
7.2 General construction
7.3 Construction of oil immersed models
7.4 Provision for earthing and earth continuity
7.5 Position of terminals
7.6 Terminals or sockets for external connections
7.7 Attachments of cable sheath or conduit
7.8 Joints
7.9 Renewable contacts
7.10 Motion of the handle or handles
7.11 Preferred standards for push-buttons
7.12 Preferred standards for indicating lamps
7.13 Return of moving contact to OFF position
7.14 Circuit interrupter for faceplate models
7.15 Undervoltage devices
7.16 Range of operation
7.17 Overload devices
7.18 Over-current capacity
7.19 Breaking capacity
7.20 Shunt field circuit
7.21 Auto-transformer tappings
7.22 Multiple-switch starter model
8 Limits of temperature rise
8.1 Contacts
8.2 Conductors
8.3 Coils in air
8.4 Coils in oil
8.5 Auto-transformer windings
8.6 Resistors
9 Tests
9.1 General
9.2 Type tests
9.3 Routine (individual) tests
9.4 Additional individual tests
Appendices
A Temperature measurements
B Clearances and creepage distances
C Information to be supplied to the manufacturer
      with enquiry or order
D Resistor ratings by classification numbers
E Maximum starting times for motor starters
F Duty cycles for resistors
G Switching starters for a.c. motors 1 to 25 h.p.

Hand operated and automatic types used with a.c. and d.c. motors of rated voltages up to 11 kV a.c. and 650 V d.c. Resistors, auto-transformers and similar associated equipment. Ratings, sizes, design and construction, temperature rise limits, type and routine tests, resistor duty ratings. Appendices on temperature measurement, clearance and creepage distances, resistor duty cycles, maximum starting times.

Committee
PEL/17
DevelopmentNote
The requirements for some starters have been replaced by Parts 1-4 of BS 4941 and BS 5856: Part 1: 1980 Obsolescent - current for existing equipment, not for use with new designs.
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
UNE-EN 13068-1:2000 Identical

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 5410-3:1976 Code of practice for oil firing Installations for furnaces, kilns, ovens and other industrial purposes
BS 7375:1996 Code of practice for distribution of electricity on construction and building sites
BS 7354:1990 Code of practice for design of high-voltage open-terminal stations
BS 2799:1974 Specification for power-driven tower cranes for building and engineering construction
BS 5306-1:1976 Fire extinguishing installations and equipment on premises Hydrant systems, hose reels and foam inlets
BS CP342-2(1974) : 1974 CODE OF PRACTICE FOR CENTRALIZED HOT WATER SUPPLY - BUILDINGS OTHER THAN INDIVIDUAL DWELLINGS
BS 466:1984 Specification for power driven overhead travelling cranes, semi-goliath and goliath cranes for general use
BS 2613:1957 The electrical performance of rotating electrical machinery
BS 327:1964 Specification for power-driven derrick cranes
BS 2452:1954 Specification for electrically driven jib cranes mounted on a high pedestal or portal carriage (high pedestal or portal jib cranes)
BS 357:1958 Specification for power-driven travelling jib cranes (rail-mounted low carriage type)
BS 787-1:1969 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)
BS 7333:1990 Specification for slewing jib cranes

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