KYN28-24 Digital SwitchgearMedium-Voltage Switchboard
The KYN28-24 armored switchgear is designed for 24kV single-busbar power systems, providing reliable power distribution, control, and monitoring. It is built for critical applications requiring high safety standards.
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Switchgear with full internal arc-resistant design and AG5 (intensity 9) high seismic rating. Features five-interlock protection and rational heat dissipation for meeting safety standards, compliant with state Grid/Southern Power Grid requirements.
Core Advantages & Features
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Metal-Clad Safety StructureEffectively prevents accident propagation and ensures system reliability.
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Complete Compartment IsolationProvides independent separation between high- and low-voltage areas.
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Double-Sided MaintenanceCompact design with accessible structure for easy servicing.
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Modular Circuit Breaker UnitEnsures structural simplicity, reliability, and longer lifespan.
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Five-Protection Interlock SystemPrevents misoperation and supports safe closed-door functionality.
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Internal Arc ResistanceWithstands internal arc faults up to 31.5kA/1s.
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Certified ComplianceMeets both Chinese and international standards and has passed all type tests.
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Flexible Switch OptionsCompatible with vacuum circuit breakers, contactors, and load switch trolleys.
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Motorized OperationSupports remote driving of breakers and grounding switches.
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Intelligent MonitoringEquipped with smart modules for real-time condition tracking and lifecycle data analysis.
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Technical Parameters
| Basic Parameters | |
|---|---|
| Insulation voltage | 24 kV |
| Rated power frequency withstand voltage | 65 kV /1min |
| Rated Lightning Impulse Withstand Voltage | 125 kV |
| Rated frequency | 50 Hz |
| Rated short-time withstand current (4s) | 40 kA |
| Rated peak withstand current | 100 kA |
| Busbar rated current | 4000 A |
| Branch busbar rated current | 4000 A |
| Internal fault arc withstand current | 31.5 kA/1s |
| IP rating | IP41 |
| IK rating | IK10 |
| Dimensions (width × depth × height, excluding front and rear doors) | 1000（1200）mm × 1800（2200）mm × 2360 mm |
| Weight | 800-1450 kg |
Product Documents
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Product Brochure
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KYN28-24 Series Metal-Clad Withdrawable Type Switchgear
2025-09-03
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