Product DescriptionCKJ5 series AC Vacuum Contactor is designed for
long-distance making and breaking in circuit, frequency starting
and controlling AC motor in the power system with AC 50 Hz-60Hz,
rated operating voltage to 1140V. It also can be formed with
thermal relay and all kinds of protection apparatus, as
electromagnetic starter, especially applies to explosion
electromagnetic starter and all sorts of power control equipment.
It may apply to the department of mine, metallurgy, petroleum,
chemical industry, power, communication transportation and so
on.The contactor conforms to IEC 60947-4-1, GB/T 14048.4 and JB/TN
7122 standard, the main performance indicators have reached the
international level."Y"means this product has coil operation
mechanism type and permanent magnet operation mechanism type.Coil
operation mechanism type is normally used.Customers can choose the
suitable type according to the application.Model DescriptionProduct
technical parameters and external dimensionsProduct structure
featuresVacuum contactors utilize vacuum bottle encapsulated
contacts to suppress the arc. This arc suppression allows the
contacts to be much smaller and use less space than air break
contacts at higher currents. As the contacts are encapsulated,
vacuum contactors are used fairly extensively in dirty
applications, such as mining.Vacuum contactors are only applicable
for use in AC systems. The AC arc generated upon opening of the
contacts will self-extinguish at the zero-crossing of the current
waveform, with the vacuum preventing a re-strike of the arc across
the open contacts. Vacuum contactors are therefore very efficient
at disrupting the energy of an electric arc and are used when
relatively fast switching is required, as the maximum break time is
determined by the periodicity of the AC waveform.Environment
conditionAmbient temperature: -25ºC~+40ºCAltitude: ≤2000Humidity:
Relative humidity on daily average less than 95%, on monthly
average less than 90%.Water vapor pressure on daily average less
than 2.2kPa, on monthly average less than 1.8kPa.No normally
violent vibration.Product detailsProducts real shotA corner of the
production workshopProduct packagingProduct application
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