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Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies for construction sites (ACS) (IEC 60439-4:2004, IDT)
MS IEC 60439-4:2005 (CONFIRMED:2015)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard applies to type-tested ASSEMBLIES (TTA) intended for use on construction sites, i.e. temporary places of work to which the public do not generally have access and where buildin ....Read more g construction, installation, repairs, alteration or demolition of property (buildings) or civil engineering (public works) or excavation or any other similar operations are carried out.These ASSEMBLIES may be 
This standard does not apply to ASSEMBLIES for use in the administrative centres of construction sites (offices, cloakrooms, ASSEMBLY rooms, canteens, restaurants, dormitories, toilets, etc.).

The nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS shall be within the limits specified in IEC 60439-1.

Requirements for electrical protection provided by equipment manufactured according to this International Standard shall comply with the requirements given in IEC 60364-7-704.

NOTE. This standard may be used as a guide to partially type-te Close

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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES - PART 4: PARTICULAR REQUIREMENTS FOR ASSEMBLIES FOR CONSTRUCTION SITES (ACS) (IEC 60439-4:2004, IDT)
MS IEC 60439-4:2005
Status : Original
Format : PDF

This Malaysian Standard applies to type-tested ASSEMBLIES (TTA) intended for use on const ruction sites, i.e. temporary places of work to which the public do not general ly have access and wherebuildi ....Read more ng construction, installation, repairs, alteratio n or demolition of property (buildings) or civil engineering (public works) or excav ation or any other similar operations are carried out.These ASSEMBLIES may be 
transportable (semi-fixed) or mobile.

This standard does not apply to ASSEMBLIES for use in the administrative centres of construction sites (offices, cloakrooms, ASSEMBLY rooms, canteens, restaurants, dormitories, toilets, etc.).

The nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS shall be within the limits specified in IEC 60439-1.

Requirements for electrical protection provided by equipment manufactured according to this International Standard shall comply with the requirements given in IEC 60364-7-704.

NOTE. This standard Close

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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES – PART 3: PARTICULAR REQUIREMENTS FOR LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES INTENDED TO BE INSTALLED IN PLACES WHERE UNSKILLED PERSONS HAVE ACCESS FOR THEIR USE – DISTRIBUTION BOARDS (IEC 60439-3:2001, IDT)
MS IEC 60439-3:2003
Status : -1
Format : PDF

This Malaysian Standard gives supplementary requirements for such enclosed distribution boards (DBU), which are stationary, type tested assemblies (TTA) for indoor use, containing protective devices a ....Read more nd intended for use either in domestic (household) applications or in other places where unskilled persons have access for their use. Control and/or signalling devices may also be included. They are for use on a.c.,with a nominal voltage to earth not exceeding 300V.The outgoing circuits contain short-circuit protective devices,each having a rated current not exceeding 125A with a total incoming load current not exceeding 250A. 
NOTE. The nominal voltage to earth in an IT system is taken as the nominal voltage of the system.

Unskilled persons normally have access to these assemblies, e.g. for switching operations and for replacing fuse-links. Close

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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES – PART 2: PARTICULAR REQUIREMENTS FOR BUSBAR TRUNKING SYSTEMS (BUSWAYS) (IEC 60439-2: 2000, IDT)
MS IEC 60439-2: 2002
Status : Original
Format : PDF

This Malaysian Standard applies to busbar trunking systems (BTS) and their accessories for feeding and distributing electrical power in residential, retail, public, agricultural and industrial premise ....Read more s. It also applies to busbar trunking systems which are designed to incorporate communication and/or control systems or intended to supply luminaires through tap-off units but does not apply to supply track systems in accordance with IEC 60570. 
The busbar trunking systems considered in this standard are type-tested ASSEMBLIES (TTA) when tested in accordance with clause 8 of this standard; variations in length and angles of bends are considered to be covered.

Tap-off units may be partially type-tested ASSEMBLIES (PTTA). Close

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LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR ASSEMBLIES – PART 5: PARTICULAR REQUIREMENTS FOR ASSEMBLIES INTENDED TO BE INSTALLED OUTDOORS IN PUBLIC PLACES – CABLE DISTRIBUTION CABINETS (CDCs) FOR POWER DISTRIBUTION IN NETWORKS (IEC 60439-5:1996 and its Amendment 1:1998, IDT)
MS IEC 60439-5:2004
Status : Original
Format : PDF

This Malaysian Standard gives supplementary requirements for cable distribution cabinets (CDCs), which are stationary, type-tested assemblies (TTA) for outdoor installation in places which are exposed ....Read more to the public, but where only skilled persons have access for their use. They are for use in public three-phase systems. 
NOTE 1 – If a CDC is equipped with additional equipment (for example meters), in such a way that the main function is changed considerably, then other standards may also apply as agreed between user and manufacturer(see 7.6).

NOTE 2 – Where local regulations and practices permit, a CDC according to this standard may be used in other than public networks. Close

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CONDUITS FOR ELECTRICAL PURPOSES – OUTSIDE DIAMETERS OF CONDUITS FOR ELECTRICAL INSTALLATIONS AND THREADS FOR CONDUITS AND FITTINGS (IEC 60423: 1993, IDT)
MS IEC 60423 : 2002
Status : Original
Format : PDF

This Malaysian Standard specifies outside diameters for conduits used in electrical installations and the dimensional requirements for threads. It also specifies the dimensional requirements for threa ....Read more ds used in associated fittings. 
It is not applicable to extra-heavy duty rigid steel conduits specified in IEC981. Close

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MINERAL INSULATING OILS IN ELECTRICAL EQUIPMENT - SUPERVISION AND MAINTENANCE GUIDANCE (IEC 60422:2005, MOD)
MS 60422:2011
Status : Original
Format : PDF

This Malaysia Standard gives guidance on the supervision and maintenance of the quality of the insulating oil in electrical equipment. 
This Malaysia Standard gives guidance on the supervision ....Read more and maintenance of the quality of the insulating oil in electrical equipment.

This standard is applicable to mineral insulating oils, originally supplied conforming to IEC 60296, and used in transformers, switchgear and other electrical apparatus where oil sampling is reasonably practicable and where the normal operating conditions specified in the equipment specifications apply.

This standard assists the power equipment operator to evaluate the condition of the oil and maintain it in a serviceable condition. It also provides a common basis for the preparation of more specific and complete local codes of practice.

This standard includes recommendations on tests and evaluation procedures and outlines methods for reconditioning and reclaiming oil and the decontamination of oil contaminated w Close

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LAMPHOLDERS FOR TUBULAR FLUORESCENT LAMPS AND STARTERHOLDERS (FIRST REVISION) (IEC 60400:2004, IDT)
MS IEC 60400:2006
Status : 1st Revision
Format : PDF

This Malaysian Standard states the technical and dimensional requirements for lampholders for tubular fluorescent lamps and for starterholders, and the methods of test to be used in determining the sa ....Read more fety and the fit of the lamps in the lampholders and the starters in the starterholders. Close

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Barrel thread for lampholders with shade holder ring (First Revision) (IEC 60399:2008, IDT)
MS IEC 60399:2013
Status : 1st Revision
Format : PDF

This Malaysian Standard gives the limit dimensions of thread for metal or plastic and ceramic lampholders with shade holder rings made of metal or plastic. Dimensions for 'Go' and 'Not go' gauges for ....Read more shade holder rings and for lampholders are also included. Close

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Insulators for overhead lines with a nominal voltage above 1000 V - Part 1: Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria (IEC 60383-1:1993, IDT)
MS IEC 60383-1:2013
Status : Original
Format : PDF

This Malaysian Standard applies to insulators of ceramic material or glass for use on a.c. overhead power lines with a nominal voltage greater than 1 000 V and a frequency not greater than 100 Hz. Als ....Read more o applies to insulators for use on d.c. overhead electric traction lines and applies to string insulator units, rigid overhead line insulators and to insulators of similar design when used in substations Close

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