• BS 3535-2:1990

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Isolating transformers and safety isolating transformers Specification for transformers for reduced system voltage

    Available format(s):  Hardcopy, PDF

    Superseded date:  01-10-2003

    Language(s):  English

    Published date:  15-03-1997

    Publisher:  British Standards Institution

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Committees responsible
    Specification
    1 Scope
    2 Definition
    3 General requirements
    4 General notes on tests
    5 Rating
    6 Classification
    7 Marking
    8 Protection against electric shock
    9 Change of input volgtage setting
    10 Output voltage and output current under load
    11 No-load output voltage
    12 Short-circuit voltage
    13 Heating
    14 Short circuit and overload protection
    15 Mechanical strength
    16 Protection against harmful ingress of water and moisture
    17 Insulation resistance and electric strength
    18 Construction
    19 Components
    20 Internal wiring
    21 Supply connection and external flexible cables and cords
    22 Terminals for external conductors
    23 Provision for protective earthing
    24 Screws and connections
    25 Creepage distances and clearances
    26 Resistance to heat, abnormal heat, fire and tracking
    27 Resistance to rusting
    Appendices
    1A Production tests
    1B Examples intended to be used as a guide for Sub-clause 8.6 1C Examples of points of application of test voltages
    1D Measurement of creepage distances and clearances

    Abstract - (Show below) - (Hide below)

    Requirements for stationary or portable, single-phase or polyphase, air-cooled reduced system voltage transformers having a rated supply voltage not exceeding 1000 V and a rated output not exceeding 25 KVA single-phase or 40 KVA polyphase.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/96
    Development Note To be read in conjunction with BS 3535-1(1990) Supersedes BS 3052(1958), BS 3535(1962), BS 4435-1(1969) and 85/32685 DC (01/2003)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6440:1999 Powered lifting platforms for use by disabled persons. Code of practice
    BS 5900:1999 Specification for powered domestic lifts with partially enclosed cars and no lift-well enclosures
    BS 7375:1996 Code of practice for distribution of electricity on construction and building sites
    BS 5900:1991 Specification for powered domestic lifts
    BS 5776:1996 Specification for powered stairlifts
    BS 4737-2:1986 Intruder alarm systems Specification for installed systems for deliberate operation
    BS 7992:2002 Code of practice for exterior deterrent systems
    BS 7798:1998 Specification for industrial immersion heaters using metal-sheathed elements
    BS 7797:1998 Specification for industrial duct heaters using metal-sheathed elements
    BS DD231(1996) : 1996 CODE OF PRACTICE FOR EXTERIOR DETERRENT SYSTEMS
    BS 7671(2001) : 2001 AMD 14905 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS

    Standards Referencing This Book - (Show below) - (Hide below)

    BS EN 60309-1 : 1999 PLUGS, SOCKET-OUTLETS AND COUPLERS FOR INDUSTRIAL PURPOSES - PART 1: GENERAL REQUIREMENTS
    BS 196:1961 Specification for protected-type non-reversible plugs, socket-outlets cable-couplers and appliance-couplers with earthing contacts for single phase a.c. circuits up to 250 volts
    BS 7671(2001) : 2001 AMD 14905 REQUIREMENTS FOR ELECTRICAL INSTALLATIONS
    • 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, flexibile and cost effective