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KYN28-24 series metal-clad withdrawable switchgear
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Product Details
Product Introduction
The KYN28-24 indoor metal-clad withdrawable switchgear is a complete set of switchgear for three-phase, AC 50(60)Hz systems with a rated operating voltage of 24kV and a rated operating current of 3150A or less.
Model and Meaning
Main Features
● Allows various switch operations with the high-voltage compartment door closed; fully metal-clad and enclosed, with an IP4X enclosure protection level when the door is closed, effectively ensuring personal safety
● Good main circuit insulation, compact switchgear structure, saving floor space
● Wide adaptability, easy to implement various schemes, meeting the needs of different users
● Good trolley interchangeability, labor-saving and stable movement within the cabinet
● Ample space in the cable compartment, allowing for connection of multiple cables, convenient installation and maintenance
● Simple and reliable mechanical interlock
Normal Operating Environmental Conditions
● Ambient temperature: Not higher than +40℃, not lower than -10℃
● Altitude: Not higher than 1000m
● Relative humidity: Daily average not more than 95%; monthly average not more than 90%
● No flammable gases, explosion hazards, severe pollution, chemical corrosion, or frequent violent vibrations
Technical Parameters
| Item | Unit | Data | |
| Rated Voltage | kV | 24 | |
| Rated Insulation Level | 1min Power Frequency Withstand Voltage | kV | 65 |
| Lightning Impulse Withstand Voltage (Peak) | kV | 125 | |
| Rated Frequency | Hz | 50 | |
| Main Busbar Rated Current | A | 1250 1600 2000 2500 3150* | |
| Branch Busbar Rated Current | A | 1250 1600 2000 2500 3150* | |
| Rated Short-Time Withstand Current (4s) | kA | 25 31.5 40 | |
| Rated Peak Withstand Current | kA | 63 80 100 | |
| Auxiliary Power Supply Voltage | V | DC110 220 | |
| Enclosure Protection Level | IP4X | ||
| Protection Level with Circuit Breaker Compartment Door Open | IP2X | ||
| Dimensions (Width x Height x Depth) | mm | 1000 2300 1800 | |
| Weight | kg | 850~1450 | |
Keywords: KYN28-24 series metal-clad withdrawable switchgear
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