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KYN28-12 series Hv Switchgear

Brief instruction:

hv switchgear Overview This equipment is indoor metal armoring with drawable switchgear

 (hereafter refer to as switchgear. 3.6-12kilovolt three phase AC 50Hz single bus bar and

 the single bus bar subsection system's omplete electricity distribution equipment is used in the power plant, small...

KYN28 indoor metal-clad withdrawable switchgear(hereafter short as switchgear) is a complete power distribution device for 3.6~24KV, 

3 phase AC 50Hz, single bus sectionalized system. It is main used for power transmission of middle/small generators in power plants, 

power receiving, transmission for substations in power distribution and power system of factories, mines and enterprises, 

and starting of large high-voltage motor, etc, so as to control, protect and monitor the system. 

The switchgear meets IEC298, GB3906-91. 

Main technical specifications of this products:HV switchgear

1Rated VoltageKV12
2Rated FrequencyHz50/60
3Rated CurrentA630 1250 1600 2000 2500 3150
4Branch busbar rated currentA630 1250 1600 2000 2500 3150
5Main busbar rated currentA630 1250 1600 2000 2500 3150
61min power frequency withstand voltageDryKV3850/60
7Lightening impulse withstand voltageKV7595/125
8Rated Short-time Withstand Current (4s)KA20/25/31.5/40
9Rated Short Circuit Breaking Current(Peak)KA40/50/63/80/100
10Protection type
IP4X for housing


  1. What is meant by IEC standard?

    The International Electrotechnical Commission

    The International Electrotechnical Commission (IEC) authors international standards for all electrical,

    electronic and related technologies. This standards collection addresses product development, performance,

    compatibility and related topics in order to ensure product compatibility and environmental safety.

  2. What is switchgear?

    Switchgear is a broad term that describes a wide variety of switching devices that all fulfill a common need: 

    controlling, protecting, and isolating power systems.

  3. What is a switchgear device used for ?

    In an electric power system, a switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control,

    protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to

    allow work to be done and to clear faults downstream.

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