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Custom KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear Suppliers, Company
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Custom KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear Suppliers, Company

Custom KYN61-40.5 Type Armored Removable AC Metal-enclosed Switchgear Suppliers, Company

The main features of KYN61-40.5 type armored removable AC metal-enclosed switchgear(hereinafter referred to as the switchgear) are as follows: the switchgear is internally equipped with fully insulated vacuum circuit breakers of types ZN85-40.5, VD4 and VB2, along with spring operating mechanisms. The cabinet body is assembled from aluminum-zinc coated steel sheets, which improves the fitting accuracy between the handcart and the cabinet. The handcart can be pushed in and pulled out quite easily and features high interchangeability. The product boasts an aesthetic appearance, a complete range of configurations, and safe and reliable operation. This product is applicable to 35kV three-phase AC 50Hz power systems. It is used in power plants, substations and distribution rooms of industrial and mining enterprises for receiving and distributing electric energy, and is provided with functions such as control, protection and monitoring.

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Product Description

Normal Service Conditions

1. Ambient air temperature: -15°C to +40°C
2. Altitude: 2,500 meters and below
3. 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.
4. Seismic intensity: Not exceeding Grade 8
5. 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.
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 (Poles/Earth/Breaker) kV 95/110
Lightning Impulse Withstand Voltage (Poles/Earth/Breaker) kV 185/215
Power Frequency Withstand Voltage (Auxiliary/Control) 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
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.
✔ 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, provide rated current-carrying capacity, span, and height from the ground.
✔ Specify types and quantities of any required accessories or spare parts.
✔ Detailed description of any special environmental conditions for use.

Product Display

KYN61-40 Switchgear

Frequently Asked Questions

What is the maximum operating altitude for this switchgear?
The KYN61-40 switchgear is designed for normal operation at altitudes up to 2,500 meters above sea level.
What is the protection rating (IP Class) for the enclosure?
The external enclosure of the switchgear provides a protection level of IP4X, while the protection between compartments when the door is open is IP2X.
Can this unit handle high-humidity environments?
Yes, it is designed to operate where daily average relative humidity does not exceed 95% and monthly average does not exceed 90%.
What are the rated short-circuit breaking current options?
The rated short-circuit breaking currents available are 20kA, 25kA, and 31.5kA depending on the specific model requirements.
What information is essential for a customized order?
Key requirements include the main circuit scheme number, single-line diagrams, terminal arrangement drawings, and specific component models and quantities.
What is the ambient temperature range for safe operation?
The standard operating temperature range is between -15°C and +40°C.

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