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Home > Hot Products > High-Quality Armored Removable AC Metal-enclosed Switchgear KYN61-40.5 from China Suppliers and Factory – 35kV Power Solutions Supplier, Company
High-Quality Armored Removable AC Metal-enclosed Switchgear KYN61-40.5 from China Suppliers and Factory – 35kV Power Solutions Supplier, Company
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High-Quality Armored Removable AC Metal-enclosed Switchgear KYN61-40.5 from China Suppliers and Factory – 35kV Power Solutions Supplier, Company

High-Quality Armored Removable AC Metal-enclosed Switchgear KYN61-40.5 from China Suppliers and Factory – 35kV Power Solutions Supplier, Company

Introducing the KYN61-40.5 Type Armored Removable AC Metal-Enclosed Switchgear, a premier product designed for efficiency and safety in power distribution. Manufactured in China, this switchgear is equipped with advanced fully insulated vacuum circuit breakers including models ZN85-40.5, VD4, and VB2, complemented by reliable spring operating mechanisms, Constructed from high-quality aluminum-zinc coated steel sheets, the cabinet ensures enhanced fitting accuracy between the handcart and the enclosure, allowing for effortless push-in and pull-out operations. This product stands out for its aesthetic design, wide range of configurations, and dependable performance, Ideal for 35kV three-phase AC 50Hz power systems, the KYN61-40.5 switchgear is suitable for diverse applications such as power plants, substations, and distribution rooms in industrial and mining sectors. It offers essential functionalities including control, protection, and monitoring, As a leading supplier and manufacturer in the electrical equipment sector, we ensure our products meet the highest standards for safe and reliable operation, fulfilling the needs of modern energy distribution systems. Choose our switchgear to enhance your electrical infrastructure with the best of China’s manufacturing expertise
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Product Description

Normal Service Conditions
  • Ambient air temperature: -15°C to +40°C
  • Altitude: 2,500 meters and below
  • Humidity conditions: The daily average relative humidity shall not exceed 95%, and the daily average water vapor pressure shall not exceed 2.2 kPa; the monthly average relative humidity shall not exceed 90%, and the monthly average water vapor pressure shall not exceed 1.8 kPa.
  • Seismic intensity: Not exceeding Grade 8
  • Places free from obvious pollution such as corrosive or flammable gases.
Note: If the above normal service conditions are exceeded, the user may negotiate with the technical department.
Technical Specifications
Name Unit Data
Rated Voltage kV 40.5
Rated Current Rated Current of Main Busbar A 630, 1250, 1600, 2000
  Rated Current of Equipped Circuit Breaker A 630, 1250, 1600, 2000
Rated Insulation Level 1min Power Frequency Withstand Voltage (Between Poles, Pole to Earth/Breaker Open Contacts) kV 95/110
  Lightning Impulse Withstand Voltage (Peak, Between Poles, Pole to Earth/Breaker Open Contacts) kV 185/215
  Power Frequency Withstand Voltage of Auxiliary and Control Circuits V/1min 2000
Rated Frequency Hz 50
Rated Short-Circuit Breaking Current kA 20, 25, 31.5
Rated Short-Time Withstand Current / Rated Short-Circuit Duration kA/4s 20, 25, 31.5
Rated Peak Withstand Current kA 50, 63, 80
Rated Short-Circuit Making Current kA 50, 63, 80
Rated Voltage of Control Circuit V DC: 110, 200; AC: 110, 220
Protection Class Enclosure of Switchgear — IP4X
  Between Compartments (When Cabinet Door is Open) — IP2X
Ordering Instructions
  • The scheme number of the main circuit, its application, single-line diagram, arrangement drawing, and layout plan of the distribution room, etc.
  • Wiring schematic diagram of the auxiliary circuit and terminal arrangement drawing.
  • The model, specification, and quantity of electrical components inside the switchgear.
  • Requirements for the control, measurement, and protection functions of the switchgear, as well as requirements for other interlocking and automatic devices.
  • If a bus bridge connection is required between switchgears or for incoming cabinets, provide specific requirement data such as the rated current-carrying capacity, span, and height from the ground of the bus bridge.
  • If accessories or spare parts are required, specify their types and quantities.
  • If the switchgear is to be used under special environmental conditions, provide a detailed description when placing the order.
Product Display
KYN61-40 Switchgear Product Details
Frequently Asked Questions
What is the rated voltage of the KYN61-40 switchgear?
The KYN61-40 switchgear has a rated voltage of 40.5 kV, making it suitable for medium-voltage power distribution applications.
What are the normal ambient temperature requirements for installation?
The switchgear is designed to operate in ambient air temperatures ranging from -15°C to +40°C. For installations outside this range, please contact the technical team to discuss customized solutions.
What protection class does the KYN61-40 enclosure provide?
The switchgear enclosure meets IP4X protection class. Between compartments when the cabinet door is open, the protection level is IP2X, ensuring safety during maintenance operations.
What rated short-circuit breaking current options are available?
The KYN61-40 is available with rated short-circuit breaking current options of 20 kA, 25 kA, and 31.5 kA to accommodate different fault current requirements in your power system.
What control circuit voltage options does the switchgear support?
The switchgear supports both DC and AC control circuit voltages. DC options include 110 V and 200 V, while AC options include 110 V and 220 V, providing flexibility for integration with existing control systems.
What information is required when placing an order?
When placing an order, you should provide the main circuit scheme number, single-line diagram, auxiliary circuit wiring schematic, electrical component specifications, control and protection requirements, and any special environmental conditions. If a bus bridge connection is needed, include details such as rated current-carrying capacity, span, and installation height.

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