KYN61-40.5 Indoor AC Metal-Clad Withdrawable Switchgear – 40.5kV High-Voltage Power Distribution Cabinet for Industrial & Utility Grids
The KYN61-40.5 series is a robust, indoor metal-clad switchgear designed for three-phase AC 50Hz systems with a rated voltage of 40.5kV. This high-voltage unit is engineered for the reception and distribution of electrical energy, providing essential control, protection, and monitoring for power plants, substations, and large-scale industrial enterprises. Featuring a withdrawable vacuum circuit breaker handcart, it allows for safe, offline maintenance and rapid replacement. The cabinet is constructed from high-quality aluminum-zinc coated steel plates and equipped with an intelligent microcomputer protection terminal, ensuring superior corrosion resistance and high-precision system management in demanding electrical environments.
KYN61-40.5 Indoor AC Metal-Clad Withdrawable Switchgear (40.5kV)
Product Overview
The KYN61-40.5 is a heavy-duty, indoor metal-clad switchgear designed for three-phase AC 50Hz power systems with a rated voltage of 40.5kV. This high-voltage unit serves as a centralized solution for power distribution, circuit control, and equipment protection in large-scale utility and industrial grids. It is engineered to handle the rigorous demands of power plants, major substations, and energy-intensive industrial enterprises.
Core Features & Technical Advantages
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40.5kV High-Voltage Reliability: Specifically built to provide stable and secure power reception and distribution for high-voltage networks.
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Modular Withdrawable Handcart: Features a removable vacuum circuit breaker (VCB) handcart, allowing for rapid offline maintenance and easy replacement of core components.
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Premium Enclosure Material: The cabinet is constructed from multiple-folded aluminum-zinc coated steel plates, offering exceptional mechanical strength and superior anti-oxidation properties.
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Intelligent Control & Monitoring: Equipped with a top-mounted instrument compartment containing digital microcomputer protection terminals and analog meters for real-time system tracking.
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Advanced Safety Interlocks: Implements a comprehensive mechanical interlocking system to prevent operational errors and ensure the safety of maintenance personnel.
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Efficient Heat Dissipation: Integrated with lower ventilation mesh panels to maintain optimal internal temperatures during high-current operations.
Technical Specifications
| Item | Description |
| Model | KYN61-40.5 |
| Rated Voltage | 40.5kV |
| Frequency | 50Hz |
| Enclosure Type | Metal-Clad Withdrawable |
| Protection Grade | IP Rated Indoor Enclosure |
| Application | Power Generation, Substation, and Industrial Grids |
Configuration Checklist for KYN61-40.5 Projects
To prepare an accurate KYN61-40.5 quotation, please provide the single-line diagram, rated busbar current, short-circuit level, feeder quantity, CT/VT ratios, protection relay requirements, control voltage, cable entry direction and required panel dimensions. The withdrawable VCB, metering and interlocking scheme can then be matched to the project.
For a complete buyer checklist, read our vacuum switchgear selection guide or send us your specification.
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