KYN28-12 ARMORED REMOVABLE AC METAL-ENCLOSED SWITCHGEAR
The KYN28-12 armored movable AC metal enclosed switchgear is a complete set of distribution equipment for 3-12 kV three-phase AC single busbar and single busbar segmented systems. Mainly used for power plants, transmission of small and medium-sized generators, distribution of industrial and mining enterprises and institutions, and secondary substations of power systems for receiving and transmitting electricity, as well as starting large high-voltage motors.
For the purpose of implementing control protection and monitoring, this switchgear meets the requirements of national standards and has interlocking functions to prevent pushing and pulling circuit breakers with load, prevent accidental opening and closing of circuit breakers, prevent closing of circuit breakers when the grounding switch is in the closed position, prevent accidental entry into live compartments, and prevent accidental closing of grounding switches when live. It can be equipped with VS1 vacuum circuit breakers or ABB’s VD4 vacuum circuit breakers. It is actually a high-performance power distribution device.
LOW LOSS
HIGH ENERGY EFFICIENCY
WIDELY APPLICABLE
SEALED OIL TANK
Conditions of Use
- The ambient air temperature shall not exceed+50 ℃, and the average temperature within 24 hours shall not exceed+35 ℃;
- When the maximum temperature is+40 ℃, the relative humidity should not exceed 50%
- +At 20 ℃, it can reach 90%; 3. Altitude not exceeding 2000M;
- The surrounding air should not be significantly polluted by corrosive or flammable gases, water vapor, etc;
- Earthquake: Intensity not exceeding 8 degrees.
Technical Parameters
| Project | Unit | Parameter | |||||
| Rated voltage | kV | 12 | |||||
| Rated frequency | HZ | 50/60 | |||||
| Rated insulation level | 1-minute power frequency withstand voltage | kV | 42 (Isolation fracture: 48) | ||||
| Lightning impulse withstand voltage | 75 (Isolation fracture: 85) | ||||||
| Rated current | A | 630、1250、1600、2000、2500、3150、4000、5000 | |||||
| Rated short-time withstand current (4s) | kA | 20 | 25 | 31.5 | 40 | 50 | |
| Rated peak withstand current | kA | 50 | 63 | 80 | 100 | 125 | |
| Rated short circuit breaking current | kA | 20 | 25 | 31.5 | 40 | 50 | |
| Rated short-circuit closing current (peak) | kA | 50 | 63 | 80 | 100 | 125 | |
| protection grade | The enclosure is IP4X, and when the circuit breaker chamber door is opened, it is IP2X | ||||||
| External dimensions
(Width x Depth x Height) |
≤ 1250A | mm | 800 (650) × 1500 × 2300 (note: cabinet width is 800mm at 40KA) | ||||
| ≥ 1600A | 1000×1500×2300 | ||||||
Application Areas
transportation
industry
Urban Community
agriculture
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