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China KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear - China Suppliers Factory for 35kV Power Systems Exporter, Companies
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China KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear - China Suppliers Factory for 35kV Power Systems Exporter, Companies
Introducing the KYN61-40.5 type armored removable AC metal-enclosed switchgear, an advanced solution designed for reliable power distribution. This switchgear features state-of-the-art fully insulated vacuum circuit breakers, including ZN85-40.5, VD4, and VB2 models, complemented by efficient spring operating mechanisms, Constructed from high-quality aluminum-zinc coated steel sheets, the cabinet ensures superior fitting accuracy between the handcart and the enclosure, allowing for smooth pushing and pulling operations. Notably, this switchgear offers exceptional interchangeability and a visually appealing design, fulfilling a comprehensive range of configurations while ensuring safe and dependable performance, Ideal for 35kV three-phase AC 50Hz power systems, the KYN61-40.5 is widely used in power plants, substations, and distribution rooms within industrial and mining enterprises. It serves critical functions in receiving, distributing, controlling, and monitoring electric energy. As a trusted China supplier and factory, we are committed to delivering high-quality switchgear solutions that meet your energy distribution needs
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 manufacturer.
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
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 rated short-circuit breaking current options are available?
The switchgear is available with rated short-circuit breaking current options of 20 kA, 25 kA, and 31.5 kA to accommodate different fault level requirements.
What control circuit voltage options does the switchgear support?
The switchgear supports both DC control voltages (110V and 220V) and AC control voltages (110V and 220V), providing flexibility for integration into various 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, component specifications, control and protection requirements, and any special environmental conditions.
Can the switchgear be used in high-humidity or polluted environments?
The standard unit is rated for environments where daily average relative humidity does not exceed 95%. For special environmental conditions involving corrosive or flammable gases, tailored solutions should be discussed during the ordering process.
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