KYN28A-12(GZS1) Metal-clad Switchgear
1.Product Description
Ac metal closed type shift switch cabinet is a three-phase ac 50HZ indoor device metal closed switch equipment.Is used in power plants, substation system rated voltage 35kV, rated maximum current 2000A maximum voltage no more than 40.5kV single bus or single bus sectionalized sets of distribution equipment.
This switch device meets the requirements of DL/ t404-91, IEC298, GB3906 and other standards, and has the functions of preventing wrong operation of circuit breaker, pushing and pulling handcart with load, grounding line, power transmission with grounding line and accidental charging interval (referred to as "five precautions")
Technical Parameters
| No | Item | Unit | Parameter |
| 1 | Rated voltage | kV | 7.2kV, 12kV, 17.5kV, 24kV |
| 2 | Ratec frequency | Hz | 50/60 |
| 3 | Rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 4 | Branch busbar rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 5 | Main busbar rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 6 | 1 min power frequency withstand voltage(wet/dry) | kV | 38/48, 50/60/60/65 |
| 7 | Lightning impulse withstand voltage | kV | 75, 95/125 |
| 8 | Rated short circuit breaking current(peak) | kA | 40/50/63/80/100 |
| 9 | Short time withstand current(4s) | kA | 20/25/31.5/40 |
| 10 | Protection type | | IP4X for housing |
| No | Item | Unit | Parameter |
| 1 | Rated voltage | kV | 36kV, 40.5kV |
| 2 | Ratec frequency | Hz | 50/60 |
| 3 | Rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 4 | Branch busbar rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 5 | Main busbar rated current | A | 630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 6 | 1 min power frequency withstand voltage(wet/dry) | kV | 70/95 |
| 7 | Lightning impulse withstand voltage | kV | 170/185 |
| 8 | Rated short circuit breaking current(peak) | kA | 20/25/31.5/40 |
| 9 | Short time withstand current(4s) | kA | 40/50/63/100 |
| 10 | Protection type | | IP4X for housing |
Technical Feature
1. The box of the KYN28A air insulated metal clad switchgear is made of aluminum-zinc coated steel sheet, so it is light, strong and beautiful.
2. The electric clearance is larger than 125mm, and the composite insulation electric clearance is larger than 30 mm.
3. Central-positioned circuit breaker.
4. Perfect integrated interlocking mechanism
5. Completed primary systematic diagram, more than 80 main circuit schemes
Conditions of Use
1.The maximum ambient air temperature shall not exceed 40°C, and the minimum shall not below -25°C;
2.The altitude shall not exceed 1000m. If special customized transformers and low-voltage components are used, the altitude can reach 4,000m;
3.The vertical inclination is no more than 5°, and no violent vibration and impact;
4.The air humidity is not more than 90% (25°C);
5.No gas and conductive dust that will seriously affect the insulation of transformer,no explosion hazard and corrosion of electrical components;
6.Outdoor wind speed shall not exceed 35m/s;
7.If service conditions beyond the above, specially customized product is available.
|
|
KYN28A-12(GZS1) Metal-clad Switchgear Images
|
