Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co.,Ltd
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General
KYN28-24metal-clad withdrawable switchgear is suitable for 3- phase AC 50Hz/15~24kV single busbar and single busbar section system. Apply to distribute electricity power and implement system control,protection,supervision monitoring.
Operating Conditions
| No. | Description | Requirement |
| 1 | Ambient air temperature | -10℃ ~ +40℃ |
| 2 | Daily average saturated vapor pressure | ≤ 2.2×10mpa |
| 3 | Monthly average saturated vapor pressure | ≤ 1.8×10mpa |
| 4 | Daily average relative humidity | ≤95% |
| 5 | Monthly average relative humidity | ≤90% |
| 6 | Altitude | ≤1000m |
| 7 | Anti-seismic intensity | ≤ 8° |
| 7 | No fire, explosion, danger, severe contamination, chemical corrosion and violent vibration. | |
Technical Parameter
| Item | Unit | Parameters | ||
| Rated Voltage (Maximum Operating Voltage) | kV | 24 | ||
| Rated Insulation Level | 1min Power Frequency Withstand Voltage | kV | 65 | |
| Lightning Impulse Withstand Voltage | kV | 125 | ||
| Rated Frequency | Hz | 50 | ||
| Rated Main Busbar Current | A | 630,1250,1600,2000,2500,3150 | ||
| Rated Branch Busbar Current | A | 630,1250,1600,2000,2500,3150 | ||
| 4s Thermal Stability Current (r.s.m) | kA | 16,20,25,31.5 | ||
| Rated Dynamic Current(Peak) | kA | 40,50,63,80 | ||
| Protection Level | Enclosure is IP4X | |||
| Dimension (Width*Depth*Height) | mm | 1000×1900×2300 | ||