The KYN61-40.5 Armored Removable AC Metal-Enclosed Switchgear Cabinet is a high-performance power distribution system designed for 3.6~40.5kV three-phase AC systems operating at 50Hz. It complies with IEC 298, GB 3906, and DL/T404 standards, ensuring maximum safety, reliability, and ease of operation.
This switchgear cabinet integrates ZN85-40.5 fully insulated vacuum circuit breakers, ABB VD4-40.5, and HD4-40.5 with spring operating mechanisms. The enclosure is constructed from aluminum-zinc plated and cold-rolled steel plates, offering high precision, strong interchangeability, and an aesthetically pleasing design.
Ideal for power distribution in industrial plants, substations, and large-scale power grids, the KYN61-40.5 switchgear cabinet features a fully enclosed design with metal partitions for improved safety, insulation, and operational efficiency.
Key Features & Benefits
✅ Fully Enclosed & Modular Design: Steel structure with aluminum-zinc plating for enhanced corrosion resistance, mechanical strength, and safety.
✅ Multi-Function Configuration: Supports cable entry/exit, overhead line entry/exit, bus connection, isolation, voltage transformers, surge arresters, and protection circuits.
✅ Interlocking “Five Prevention” Mechanism: Prevents misoperations, improves operator safety, and ensures reliable switching operations.
✅ High-Level Protection: IP4X protection for cabinet shell, IP2X protection when the handcart compartment door is open, providing enhanced insulation and dust-proofing.
✅ Compatible with Various Circuit Breakers: Supports ZN85-40.5, ABB VD4-40.5, HD4-40.5, ZnZ1, VB2, and VEP vacuum circuit breakers and contactors.
✅ Advanced Safety Measures: Equipped with grounding switches, overvoltage protection devices, and flame-retardant composite insulation for busbars.
| Parameter | Details |
|---|---|
| Rated Voltage | 10kV (6kV) / 35kV |
| Rated Frequency | 50Hz |
| Rated Capacity | 50-20,000 kVar |
| Protection Level | IP4X (Cabinet) / IP2X (Open Handcart Door) |
| Enclosure Material | Aluminum-zinc plated steel / Cold-rolled steel |
| Configuration | Cable Entry/Exit, Overhead Entry/Exit, Bus Connection, Isolation |
| Interlocking System | “Five Prevention” Safety Mechanism |
| Installation Method | Indoor Installation |
| External Dimensions (mm) | 1400 × 2800 × 2600 |
Applications
The KYN61-40.5 Switchgear Cabinet is widely used in various power distribution applications, including:
- Power Substations & Grid Networks – For stable voltage regulation and fault protection.
- Industrial Facilities – Ensures safe and efficient power distribution for factories, mines, and chemical plants.
- Energy & Utility Sectors – Ideal for renewable energy grids and high-voltage power transmission networks.
- Commercial & Infrastructure Projects – Supports hospitals, data centers, and large-scale buildings.
The KYN61-40.5 switchgear cabinet is designed to protect electrical circuits, manage power distribution, and prevent short circuits and overloads in high-voltage systems. It ensures safe, stable, and efficient power management.
This switchgear cabinet is compatible with ZN85-40.5 vacuum circuit breakers, ABB VD4-40.5, HD4-40.5, and other standard vacuum breakers, making it highly versatile and adaptable to different electrical systems.
The “Five Prevention” interlocking system prevents misoperations, such as incorrect switch handling, live maintenance, and accidental breaker movements, ensuring maximum operator safety and system reliability.
