Customization: | Available |
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Certification: | CCC, ISO9001 |
Shell Material: | Steel Plate |
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KYN28A-24 armored removable AC metal-enclosed switchgear (hereinafter referred to as switchgear), suitable for indoor three-phase 50/60Hz, rated voltage 24kV power system, mainly used in power plants, substations, industrial and mining In enterprises and high-rise buildings, as a means of receiving and distributing electrical energy and controlling, protecting and monitoring circuits.
Item | Unit | Data | |||||
Rated voltage | kV | 24 | |||||
Rated frequency of circuit breaker | Hz | 50/60 | |||||
Rated insulation level | Lightning impulse withstand voltage (peak) | kV | Phase-to-phase, phase-to-ground | 60 | Isolating fracture | 79 | |
1min power frequency withstandvoltage (effective value) | kV | Phase-to-phase, phase-to-ground | 125 | Isolating fracture | 145 | ||
Auxiliary control circuit power frequency withstand voltage | V | 2000 | |||||
Rated current of circuit breaker | A | 630, 1250, 1600 2000, 2500, 3150 | |||||
Rated short-circuit breaking current | kA | 20 | 31.5 | ||||
Rated short-circuit closing current (peak) | kA | 50 | 80 | ||||
Rated short-time withstand current | kA | 20 | 31.5 | ||||
Rated peak withstand current | kA | 50 | 80 | ||||
Auxiliary control circuit rated voltage | V | AC or DC 110/220 | |||||
Protection degree | / | IP4X(IP2X when the front door is opened) | |||||
Overall and mounting dimensions(mm) s(width*depth*height) | mm | 800 × 1810 ×2380 | 1000 × 1810 ×2380 | ||||
Weight | kg | 840~1140 |
Model meaning
Operating conditions
1.+15°C~+40°C. And the average value measured within 24 hours shall not exceed 35°C
2.The average monthly relative humidity shall not exceed 90%
The average monthly water vapor pressure shall not exceed 1.8kPa;
3.Altitude: ≤1000m.
4.There is no obvious dust or smoke in the surrounding air: pollution caused by corrosive or combustible gases, vapors, or salt mist;
5.Vibration or ground motion from outside the switchgear and control equipment can be ignored;
6.The amplitude of electromagnetic interference induced in the secondary system shall not exceed 1.6kV