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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests (IEC 60255-21-3:1993, IDT)
MS IEC 60255-21-3:2012
Status : Original
Format : PDF

This Malaysian Standard specifies the vibration, shock, bump and seismic requirements applicable to electromechanical and static measuring relays and protection equipment, with or without output conta ....Read more cts. Close

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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment: Section Two - Shock and bump tests (IEC 60255-21-2:1988, IDT)
MS IEC 60255-21-2:2012
Status : Original
Format : PDF

This Malaysian Standard specifies the vibration, shock, bump and seismic requirements applicable to electromechanical and static measuring relays and protection equipment with or without
output ....Read more contacts.

This standard includes two types of test:-the shock test (on energized and non-energized specimen); - the bump test (on non-energized specimen), and is generally based on IEC 68-2-27 and 68-2-29.The requirements of this standard are applicable only to measuring relays and protection equipment in new condition. The tests specified in this standard are type tests.
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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal) (IEC 60255-21-1:1988, IDT)
MS IEC 60255-21-1:2012
Status : Original
Format : PDF

This Malaysian Standard is part of a series specifying the vibration, shock, bump and seismic requirements applicable to measuring relays and protection equipment (with or without contacts).
....Read more r /> This standard includes two types of vibration tests: the vibration response test and the vibration endurance test, and is generally based upon IEC 68-2-6.

The requirements of this standard are applicable only to measuring relays and protection equipment in a new condition.The tests specified in this standard are type tests.
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Measuring relays and protection equipment - Part 151: Functional requirements for over/under current protection (IEC 60255-151:2009, IDT)
MS IEC 60255-151:2012
Status : Original
Format : PDF

This Malaysian Standard specifies minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics ....Read more . Defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions. Close

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Measuring relays and protection equipment - Part 127: Functional requirements for over/under voltage protection (IEC 60255-127:2010, IDT)
MS IEC 60255-127:2012
Status : Original
Format : PDF

This Malaysian Standard specifies specifies minimum requirements for over/under voltage relays. The standard includes specification of the protection function, measurement characteristics and time del ....Read more ay characteristics. Close

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Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan ?) and d.c. resistivity (IEC 60247:2004, IDT)
MS IEC 60247:2012
Status : Original
Format : PDF

This Malaysian Standard describes methods for the determination of the dielectric dissipation factor (tan ?), relative permittivity and d.c. resistivity of any insulating liquid material at the test t ....Read more emperature.

The methods are primarily intended for making reference tests on unused liquids. They can also be applied to liquids in service in transformers, cables and other electrical apparatus. However the method is applicable to a single phase liquid only. When it is desired to make routine determinations, simplified procedures, as described in Annex C, may be adopted.

With insulating liquids other than hydrocarbons, alternative cleaning procedures may be required.
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Electric strength of insulating materials - Test methods - Part 3: Additional requirements for 1,2/50 ?s impulse tests (IEC 60243-3:2001, IDT)
MS IEC 60243-3:2014
Status : Original
Format : PDF

This Malaysian Standard gives the requirements on the additional to those in Part 1 of this series for the determination of the electric strength of solid insulating materials under 1.2/50 µs impulse ....Read more voltage stress. Close

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Electric strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage (IEC 60243-2:2001, IDT)
MS IEC 60243-2:2014
Status : Original
Format : PDF

This Malaysian Standard gives requirements on the additional to those in Part 1 of this series, for the determination of the electric strength of solid insulating materials under direct voltage stress ....Read more . Close

NOT FOR SALE

"Please contact us if you are interested to purchase for reference."




Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies (IEC 60243-1:2013, IDT)
MS IEC 60243-1:2014
Status : Original
Format : PDF

This Malaysian Standard gives methods of test for the determination of the short-time electric strength of solid insulating materials at power frequencies, that is, those between 48 Hz and 62 Hz. It d ....Read more oes not consider the testing of liquids and gases, although these are specified and used as impregnants or surrounding media for the solid insulating materials being tested. Close

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EDISON SCREW LAMPHOLDERS (FIRST REVISION) (IEC 60238:2004, IDT)
MS IEC 60238:2008
Status : 1st Revision
Format : PDF

This Malaysian Standard applies to lampholders with Edison thread E14, E27 and E40, designed for connection to the supply of lamps and semi-luminaires* only.

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