MNS metal-clad enclosed switchgear

 MNS metal-clad enclosed switchgear   The KYN28A-12 Metal-clad Switchgear is a kind of draw of metal-enclose switch cabniet for inindoor use,  and it suits for 3-10kv, 3-phase, 50Hz single busbar and busbar section. The high voltage switchgear is primarily utilized for three purposes as listed below. Power distribution for the enterprises, mining plants and manufacturing plants. Power receiving and distribution for secondary power substations, Start up of large-sized, high-voltage moter.etc. Working Condition: Ambient air temperature :-5 -40°C within 24 hours(-25 -+45°Cavailable as customized products). Rates cuurenty:3150A. Altitude: ≤4000m Relative humidity: Daily average Relative humidity  ≤95%. Reated voltage: 3.6  7.2  12KV. Reated frequency:50HZ.         Technical specification of KYN28-15 switchgear   

Item		Unit	Data
Rated voltage		kV	3.6, 7.2,12,15
Insulation level	Rated power-frequency withstand voltage(1min)	kV	50 / 55 (phase to earth / across open contacts)
	Rated lightening impulse withstand voltage	kV	95/ 110 (phase to earth / across open contacts)
Rated frequency		Hz	50 / 60
Rated main bus bar current		A	630,1250,1600,2000,2500,3150
Rated branching bus bar current		A	630,1250,1600,2000,2500,3150
4s Short-time withstand current(rms.)		kA	16, 20, 25, 31.5,40,50
Peak withstand current(peak.)		kA	40, 50, 63, 80,100,125
Protection Level			P4X (IP2X when circuit breaker chamber open)
Stardard			GB311.1-1997

    FAQ      Ordering information: Please specify the following information when ordering 1.        The full model ,including main circuit plan and auxiliary circuit plan. 2.        The diagram of main circuit system allocation 3.        Inner allocation diagram of the switchgear 4.        Electric diagram of auxiliary contact 5.        Name, model, specification and list of adopted components 6.        Customized products are available.