• Shopping Cart
    There are no items in your cart

BS 4941-4:1977

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Specification for motor starters for voltages up to and including 1000 V a.c. and 1200 V d.c. Reduced voltage a.c. starters, two-step auto-transformer starters

Available format(s)

Hardcopy , PDF

Superseded date

05-31-1992

Language(s)

English

Published date

10-31-1977

mead in conjunction with BS 4941:Part 1.

Committee
PEL/17
DevelopmentNote
REPLACES THE REQUIREMENTS FOR REDUCED VOLTAGE a.c. STARTERS, TOW-STEP AUTO-TRANSFORMER STARTERS FOR VOLTAGES UP TO AND INCLUDING 1000 V a.c. IN BS 587: 1957
DocumentType
Standard
Pages
25
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
IEC 60292-4:1975 Identical

BS 6880-1:1988 Code of practice for low temperature hot water heating systems of output greater than 45 kW Fundamental and design considerations

BS 4794-1:1973 Control switches ( switching devices including contractor relays for control and auxiliary circuits up to and including 1000V a.c. and 1200V d.c
BS 5424-1:1977 Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. Contactors
BS 4941-1:1979 Specification for motor starters for voltages up to and including 1000 V a.c. and 1200 V d.c. Direct-on-line (full voltage) a.c. starters

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.