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Oil-filled electrical equipment - Sampling of gases and of oil for analysis of free and dissolved gases - Guidance (IEC 60567:2005, MOD)
MS 60567:2013
Status : Original
Format : PDF

This Malaysian Standard deals with the techniques for sampling free gases from gas-collecting relays and for sampling oil from oil-filled equipment such as power and instrument transformers, reactors, ....Read more bushings, oil-filled cables and oil-filled tank-type capacitors. Three methods of sampling free gases and three methods of sampling oil are described; the choice between the methods often depends on the apparatus available and on the quantity of oil needed for analysis. Close

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Degrees of protection provided by enclosures (IP code) (First revision) (IEC 60529:2001, IDT)
MS IEC 60529:2005 (CONFIRMED:2015)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard applies to the classification of degrees of protection provided by enclosures (IP Code) for electrical equipment with a rated voltage not exceeding 72.5 kV. 
The object ....Read more of this standard is to give:

a) Definitions for degrees of protection provided by enclosures of electrical equipment as regards:
1) protection of persons against access to hazardous parts inside the enclosure;
2) protection of the equipment inside the enclosure against ingress of solid foreign objects;
3) protection of the equipment inside the enclosure against harmful effects due to the ingress
of water.

b) Designations for these degrees of protection.
c) Requirements for each designation.
d) Tests to be performed to verify that the enclosure meets the requirements of this standard.
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High-voltage cable plug and socket connections for medical x-ray equipment (IEC 60526:1978, IDT)
MS IEC 60526:2007 (CONFIRMED:2020)
Status : 1st Confirmation
Format : PDF

This Malaysian Standard deals with - essential dimensions to ensure mechanical interchangeability; - recommended dimensions; - wiring connections to contacts of plug and socket; and - marking of conta ....Read more cts of plug and sockets; of three-conductor and four-conductor high-voltage cable plug and socket connections for medical X-ray equipment. Close

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Determination of the permanent filtration of x-ray tube assemblies (IEC 60522:2003, IDT)
MS IEC 60522:2007 (CONFIRMED:2013)
Status : Withdrawn
Format : PDF

This Malaysian Standard applies to x-ray tube assemblies for medical diagnosis and radiotherapy. It defines the concept of permanent filtration in x-ray tube assemblies and describes a method for its ....Read more determination. Close

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STABILIZED POWER SUPPLIES, D.C OUTPUT :PART 1 : TERMS AND DEFINITIONS (IEC 60478-1 : 1974, IDT)
MS IEC 60478-1 : 1996
Status : Original
Format : PDF

This recommendation applies to stabilized power supplies designed to supply d.c. power from an a.c. or d.c. source for applications such as, but not necessarily limited to, the following: 
— ....Read more computers,
— telecommunications,
— laboratories,
— industrial equipment.
Calibrated stabilized power supplies for electrical measurement purposes are excluded from the scope of this recommendation.
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METHOD OF SAMPLING LIQUID DIELECTRICS (IEC 60475:1974, IDT)
MS IEC 60475:2011
Status : Original
Format : PDF

This Malaysian Standard describes the procedure to be used for sampling liquid dielectrics in delivery containers and in electrical equipment. Where an analysis for dissolved gas is required, instruct ....Read more ions relating to the method of sampling and sampling device will be given to the IEC publication, now under consideration, dealing with this topic. This same special method may also be used when determination of low water content is required. Close

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Clothes washing machines for household use - Methods for measuring the performance (First revision) (IEC 60456:2010, IDT)
MS IEC 60456:2012
Status : 1st Revision
Format : PDF

This Malaysian Standard specifies methods for measuring the performance of clothes washing machines for household use, with or without heating devices utilising cold and/or hot water supply. It also d ....Read more eals with appliances for water extraction by centrifugal force (spin extractors) and is applicable to appliances for both washing and drying textiles (washer-dryers) with respect to their washing related functions. 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 (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
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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
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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.
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