KYN28-12 armored removable AC metal-enclosed switchgear
Product Introduction：
Tel：400-000-6707
Add：No. 258, Weiqi Road, Economic Development Zone, Yueqing City, Zhejiang Province
Introduction
KYN28-12 armored removable AC metal-enclosed switchgear is applicable to an electric power system with the three-phase AC rated voltage 12kV and the rated frequency 50Hz and used for accepting and distributing electric energy and performing control, protection and monitoring of circuits. This product meets requirements in standards such as GB3906 3~35kV AC Metal-enclosed Switchgears, GB/T11022 Common Technical Requirements for Standards of High Voltage Switchgears and Control Equipment, IEC60298 AC Metal-case Switchgears and Control Equipment with Rated Voltage 1kV to 52kV, as well as DL/T404 Technical Conditions for Ordering of Outdoor AC High Voltage Switch Cabinets.
Model meaning
Use conditions
>Surrounding air temperature, upper limit +40℃, lower limit -15℃;
>Max altitude at equipment installation place: 1000m;
>Ambient humidity, daily average relative humidity ≤ 95%, monthly average relative humidity ≤ 90%;
>Seismic intensity not higher than 8;
>Surrounding air should not be obviously polluted by corrosive or inflammable gas, and water vapor, etc.;
>No serious fouling or frequent violent vibration.
Technical parameters
Name | Unit | Parameter |
Rated voltage | kV | 12 |
Rated insulation level | Power frequency withstand voltage | kV | Inter-phase and to-ground:42; fracture: 48 |
Lightning impulse | kV | Inter-phase and to-ground:75; fracture: 85 |
Rated frequency | Hz | 50 |
Rated current of circuit breaker | A | 630，1250，1600，2000，2500，3150，4000 |
Rated current of switch cabinet | A | 630，1250，1600，2000，2500，3150，4000 |
Rated short-circuit breaking current | kA | 20，25，31.5，40 |
Rated short-time withstand current of main loop | kA/4s | 20，25，31.5，40 |
Protection level | | IP4X |
Outline dimension drawing
| A(mm) | Rated current of main switch 1250A | 800 |
Rated current of main switch 1600-3150A | 1000 |
| B(mm) | | 2300 |
| C(mm) | Cable inlet-outlet line | 1500 |
| | Overhead approach line | 1660 |
Weight(kg) | | 700-1200 |
Order information
The user needs to provide the following information for ordering:
>Main circuit scheme drawing No., usage and main line system drawing, plane layout of distribution room and arrangement configuration drawing, etc.
>Requirements for control, measurement and protection functions of switchgears as well as requirements for other shutting and automatic devices;
>Models, specifications and quantities of main electric appliance components in the switchgear;
>In case of bus bridge connection between switchgears or the incoming cabinet, please provide the rated carrying capacity of bus bridge, its span, height above the ground as well as other specific requirement data;
>In case of use of the switchgear under special environmental conditions, please give detailed specifications during ordering;
>Other special requirements.
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