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Home > Hot Products > China KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear | China Suppliers & Factory Solutions Manufacturers, Factories
China KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear | China Suppliers & Factory Solutions Manufacturers, Factories
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China KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear | China Suppliers & Factory Solutions Manufacturers, Factories

China KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear | China Suppliers & Factory Solutions Manufacturers, Factories

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Introducing the KYN61-40.5 armored removable AC metal-enclosed switchgear, a premier choice among China suppliers and factories for reliable electrical solutions. This switchgear features advanced fully insulated vacuum circuit breakers, including types ZN85-40.5, VD4, and VB2, equipped with efficient spring operating mechanisms. Constructed from aluminum-zinc coated steel sheets, the cabinet body enhances the fitting precision between the handcart and the cabinet, allowing for smooth push-in and pull-out operations with exceptional interchangeability.

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The KYN61-40.5 not only offers an appealing aesthetic design but also encompasses a comprehensive range of configurations, ensuring safe and reliable operations. Ideal for 35kV three-phase AC 50Hz power systems, this product is extensively utilized in power plants, substations, and distribution rooms of industrial and mining enterprises for effective electric energy reception and distribution. Additionally, it is designed to provide essential functions such as control, protection, and monitoring, making it a top choice for businesses seeking quality and performance in electrical infrastructure.

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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 supplier.
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 kV 95/110
  Lightning Impulse Withstand Voltage (Peak) kV 185/215
  Auxiliary and Control Circuits Withstand Voltage V/1min 2000
Rated Frequency Hz 50
Rated Short-Circuit Breaking Current kA 20, 25, 31.5
Rated Short-Time Withstand Current / 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
Ordering Instructions
1 The scheme number of the main circuit, its application, single-line diagram, arrangement drawing, and layout plan of the distribution room, etc.
2 Wiring schematic diagram of the auxiliary circuit and terminal arrangement drawing.
3 The model, specification, and quantity of electrical components inside the switchgear.
4 Requirements for the control, measurement, and protection functions of the switchgear, as well as requirements for other interlocking and automatic devices.
5 If a bus bridge connection is required, provide specific requirement data such as the rated current-carrying capacity, span, and height from the ground.
6 If accessories or spare parts are required, specify their types and quantities.
7 If used under special environmental conditions, provide a detailed description when placing the order.
Product Display
KYN61-40 Switchgear
Frequently Asked Questions
What is the rated voltage of the KYN61-40 switchgear?
The rated voltage of the KYN61-40 switchgear is 40.5 kV, making it suitable for medium-voltage power distribution applications.
What ambient temperature range is the switchgear designed to operate in?
The switchgear is designed for normal service conditions with an ambient air temperature range of -15°C to +40°C.
What are the available rated short-circuit breaking current options?
The switchgear is available with rated short-circuit breaking current options of 20 kA, 25 kA, and 31.5 kA to suit different fault level requirements.
What protection class does the switchgear enclosure meet?
The switchgear enclosure meets IP4X protection class. Between compartments when the cabinet door is open, the protection class is IP2X.
What control circuit voltage options are supported?
The switchgear supports both DC control voltages (110V and 220V) and AC control voltages (110V and 220V), providing flexibility for different substation configurations.
Can the switchgear be used in high-altitude or special environmental conditions?
The standard design supports altitudes up to 2,500 meters. For installations exceeding this altitude or involving special environmental conditions, customized solutions are available upon request.

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