Product Overview

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.

● 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.

Product Highlights

Metal-Clad Safety StructureEffectively prevents accident propagation and ensures system reliability.

01
Complete Compartment IsolationProvides independent separation between high- and low-voltage areas.

02
Double-Sided MaintenanceCompact design with accessible structure for easy servicing.

03
Modular Circuit Breaker UnitEnsures structural simplicity, reliability, and longer lifespan.

04
Five-Protection Interlock SystemPrevents misoperation and supports safe closed-door functionality.

05
Internal Arc ResistanceWithstands internal arc faults up to 31.5kA/1s.

06
Certified ComplianceMeets both Chinese and international standards and has passed all type tests.

07
Flexible Switch OptionsCompatible with vacuum circuit breakers, contactors, and load switch trolleys.

08
Motorized OperationSupports remote driving of breakers and grounding switches.

09
Intelligent MonitoringEquipped with smart modules for real-time condition tracking and lifecycle data analysis.

10

Technical Specifications

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