Product Description
KYN28A-12(Z) Metalclad AC Indoor Enclosed Switchgear, Withdrawable type
1. General Description
1.1 Application: In the power system of 3.6 to 12kV, for control, protection and monitoring. VCBs produced
By CNHK or VCBs produced by other manufactures could be installed in the switchgear panel.
1.2 Standards: IEC 62271-200
1.3 Parameters: Rated voltage: 3.6V
1.4 Rated current: 630-5000A
1.5 Rated short-circuit breaking current: 16kA
2. Features:
2.1. Compact design
2.2. Easy operation and installation
2.3. Reliable interlock
2.4. Less Maintenance
3. Technical Data
| No. | Item | Unit | Data |
| 3.1 | Rated voltage | KV | 3.6, 7.2, 12 |
| 3.2 | Rated current of circuit breaker | A | 630, 1250, 1600, 2000, 2500, 3150, 4000, 5000 |
| Rated current of switchgear | A | 630, 1250, 1600, 2000, 2500, 3150, 4000, 5000 |
| 3.3 | Rated frequency | Hz | 50 |
| 3.4 | Rated short-circuit breaking current | KA | 16, 20, 25, 31.5, 40, 50 |
| Rated short-time withstand current | KA | 16, 20, 25, 31.5, 40, 50 |
| Rated short circuit continuous time | S | 4 |
| 3.5 | Rated peak withstand current | KA | 40, 50, 63, 80, 100, 125 |
| Rated short-circuit closing current(peak) | KA | 40, 50, 63, 80, 100, 125 |
| 3.6 | Rated insulation level: 1min power frequency withstand voltage | KV | 24, 32, 42 between poles, pole to earth |
| KV | 24, 32, 48 between open contacts |
| 3.7 | Rated insulation level: Lighting impulse withstand voltage(peak) | KV | 40, 60, 75 between poles, pole to earth |
| KV | 46, 70, 85 between open contacts |
| 3.8 | Rated power frequency withstand voltage | KV | 95/1min |
| 3.9 | Protection level | Switchgear shell | | IP3X |
| Compartments(door opened) | | IP2X when the CPT and CB doors are open. |
Note: 1. The short circuit capacity of the current transformer should be separately considered.
2. See technical parameters of ZN63A(VS1)-12 in related product of our company.
We also supply the following switchgears:
Rated votlage 40.5KV switchgear(for 33KV system)
KYN61-40.5 withdrawout metal-clad and metal-enclosed switchgear
KYN10-40.5AC drawout metal clad switchgear
KYN1-40.5 AC withdrawable metal-clad enclosed switchgear
XGN-40.5 fixed AC metal-enclosed switchgear
GBC-40.5 Handcar HV switchgear
Rated voltage 24KV switchgear(for 22KV, 20KV, 15KVsystem)
KYN-24 withdrawable metal-clad switchgear
HRM6-24 Ring net SF6 circuit breaker switchgear ( for 22KV, 20KV, 15KVsystem )
Rated votlage 12KV switchgear(for 11KV, 10KV, 6.6KV system)
KYN28A-12 withdrawable metal-clad enlosed switchgear
XGN-HKGN8-12 Fixed metal clad enclosed switchgear (for 11KV, 10KV, 6.6KV system)
HXGN-12 Ring Net Vacuum circuit breaker switchgear ( for 11KV, 10KV, 6.6KV system )
XGN15-12 Ring Net SF6 circuit breaker switchgear (for 11, 10, 6.6KV system)
Rated voltage 0.4KV low voltage switchgear(380V, 400V, 433V, 440V system)
GCK LV withdrawable switchgear
GCS LV withdrawable switchgear
HMNS LV withdrawable switchgear
GGD LV distribution cabinet
XL-21 Power distribution box
MOTO Start swichgear
Modula 630K sersies of standard LV distribution box
Plus 2.0 LV switchgear
GZDW series of microcomputer monitoring high-frequency DC switchgear
Soft start switchgear
Residential, customized power distribution box
PZ30, PZ40 distribution box
Outdoor mobile box
Capacitance compensation box
The other switchgear (from 0.4KV to 33KV)We can OEM, ODM for you. )
Huanghua Group is an enterprise group, which integrates industrial manufacturing, import and Export, founded in 1980. Now the group has more than 500 employees. There are five subsidiaries, and the products have founded ready markets in all regions of China and some of oversea markets. CNHK Electrics Co., Ltd., is the head of the Group. It is the largest company in terms of production and sales volume of high voltage electrical components in the group. The second one is producing high voltage power transmission. The third one is producing transformer. The fourth one is producing cabinet and the fifth one is a domestic trade company.
Huanghua Group is one of the Top 500 Private Enterprises in comprehensive strength in China, mainly specializing in the production of high-low voltage power transmission and distribution equipment, including substation, power distribution automated switchgears, terminal devices, as well as high-low voltage components, etc. In view of being specialized in electric industry, Huanghua Group gradually grows into one of the leading enterprises in industrial electrical equipment field in China. The group has invested in Shanghai to establish Shanghai Huanghua (CNHK) Electric Industrial Zone. The industrial zone area is more than 80, 000 square meters.
For more than 30 years, Huanghau Group has always been insisting on the operation philosophy of "People oriented, Credit Based, Values Shared".
Nowadays, science and technology are under rapid development. We believe the human society's progress shall be highly promoted, and we will go with this trend to keep forging ahead actively.
We have passed ISO9001 Quality System Certification, ISO14001 Environment System Certification and other certificates on programs, including China Compulsory Certification (CCC) and CE. International certificates are under proceeding.
We are looking forward to cooperating with you and to creating a brilliant future together.
Contact person: Ms. Amber Ouyang
Fax/Tel.: 0086-577-62651121
Tel.: 0086-577-62651123
Mobile: 13575421178
International website: www.cnhkele.com
Domestic webiste: www.huanghua.com
