| Prod Model: |
KYN28A-12 |
| Warranty: |
1 Year |
| Service Voltage: |
6kv, 7.2kv, 10kv, 11kv, 12kv |
| Rated Voltage: |
12kv |
| Type: |
Power |
| Structure: |
Fixed Board |
| Brand: |
Zhong Yi |
Product Description
Product discription 1.About KYN28A-12:
2.Working conditions:The type of transformers are applicable to 35KV and below, the small unattended substation, with main interior capacity of 5000KVA and below, is widely used in urban industrial substation, 10KV switch stations, ring network system, rural power grid 35KV substation and other occasions.
3.Service Condition
a. Ambient Temperature: Max. +40°C Min. -15°C
b. Ambient Humidity: Daily average relative humidity:≤95% Monthly average relative humidity:≤90%
c. Max. altitude:1000m
d. The degree of condensation and pollution IPII
In case of the switchgear used in the conditions beyond the above limit, the customers shall consult with the manufacturer.
4.Technical Data
No. | Description | Unit | Parameter |
1 | Rated voltage | kV | 12 |
2 | Rated current | A | 630,1250,1600,2000,2500,3150,4000 |
3 | Rated frequency | Hz | 50 |
4 | Rated current of main busbar | A | 630,1250,1600,2000,2500,3150,4000 |
5 | Rated short-time power frequency withstand voltage (1min) | Phase to phase/earth | kV | 42 |
Across the isolating distance | 48 |
6 | Rated lightning impulse withstand voltage | Phase to phase/earth | kV | 75 |
Across the isolating distance | 85 |
7 | Rated short-circuit breaking current (effective value) | kA | 20,25,31.5,40,50 |
| 8 | 4s rated thermal current | kA | 20,25,31.5,40,50 |
9 | Rated dynamic current (peak) | kA | 50,63,80,100,125 |
10 | Rated operating current | V | AC:110,220; DC:110, 220 |
11 | Degree of protection | S | IP4X for enclosure, IP2X for partition between compartments |
| 12 | Electrical endurance | | E2 |
| 13 | Temperature-rise test | A | 1.1xle |
| 14 | IAC | kA/s | 31.5/1, 40/1 |
Packaging & Shipping
Long time shipment & Seaworthy wooden box
Wooden package optional:1,choose one unit/ wooden box
2,choose 2unit/ wooden box to save cost
Certifications
Company Information 
Baoding Zhongyi Electrical material Manufacturing Co., Ltd. is located at the beautiful Baiyangdian Science and Technology Town in Baoding City, with an advantageous geographical location and convenient transportation. Our company covers an area of 30,000 square meters, the building area of 16,000 square meters. The registered capital of the company is RMB 81,000,000.
The company mainly produces: oil-immersed power transformers, dry-type transformers, box-type substation, high and low voltage switchgear assembly and a variety of special-type transformers. The hoisting, tooling and testing equipments are complete. Our company has passed the ISO9001-2015 international standard quality management system certification. All performance indicators of the products have reached the relevant national standards and international standard.
Baoding Zhongyi Electrical Material Manufacturing Co., Ltd. is located at the beautiful Baiyangdian Science and Technology Town in Baoding City, with an advantageous geographical location and convenient transportation. Our company covers an area of 30, 000 square meters, the building area of 16, 000 square meters. The registered capital of the company is RMB 81, 000, 000.
The company mainly produces: Oil-immersed power transformers, dry-type transformers, box-type substation, high and low voltage switchgear assembly and a variety of special-type transformers. The hoisting, tooling and testing equipments are complete. Our company has passed the ISO9001-2015 international standard quality management system certification. All performance indicators of the products have reached the relevant national standards and international standards.
The oil-immersed power transformers and dry-type transformers have passed the Test Report of the National Supervision and Inspection Center for Energy-saving Product Quality; Complete sets of low voltage switchgear (GGD2) (GCK) has passed the Test Report of China Compulsion Certification (CCC) from the State Bureau of Quality and Technical Supervision for Electrical Products; Indoor AC dray-out type metal clad switchgear KYN28A-12 / 1250-31.5, fixed AC metal-enclosed ring network cabinet XGN15-12 / 1250-31.5 and XGN15 metal-enclosed switchgears have passed the Test Report of the National Quality Supervision and Inspection center for High-voltage Electrical Appliances Product.
Our company's products are widely used in different industries, involving power plants, chemicals, construction, mining, metallurgy, rail transportation and so on, best meeting the needs of various users.
Baoding Zhongyi Electrical Material Manufacturing Co., Ltd. Follows the enterprise purpose of the "details determine the success or failure, integrity casts the future", abides by the business philosophy of the "integrity based, to be innovative ambitious", we'll warmly treat our customers as always and continuously provide quality products and services to your satisfaction.
