KYN61-40.5 AC Metal-Clad Withdrawable Switchgear

The KYN61-40.5 AC Metal-Clad Withdrawable Switchgear (hereinafter referred to as "the switchgear") is an indoor integrated power distribution device designed for three-phase AC systems with a frequency of 50Hz and a rated voltage of 40.5kV. It is used in power plants, substations, and industrial & mining enterprises for receiving and distributing electrical energy, providing circuit control, protection, and monitoring functions. It is also suitable for applications requiring frequent operations.

This switchgear complies with the following standards:
  • GB3906-2006 *"AC Metal-Enclosed Switchgear for Rated Voltages 3~35kV"*
  • GB/T11022-1999 "Common Specifications for High-Voltage Switchgear and Control Equipment"
  • DL/T 404-2007 *"AC Metal-Enclosed Switchgear and Controlgear for Rated Voltages 3.6kV~40.5kV"*
  • Fully Custom
  • Expedited Production Processing

Key Features

  • Metal-clad withdrawable design
  • Suitable for frequent operation
  • Complies with Chinese national standards

Operating Conditions 

1、Ambient Temperature

Upper limit: +40°C (with 24-hour average not exceeding 35°C)

Lower limit: -10°C

2、Altitude 

Not exceeding 2,000m (must be specified when ordering)

3、Relative Humidity

Daily average ≤ 95%

Monthly average ≤ 90%

4Seismic Intensity

Not exceeding 8 on the Richter scale

5Water Vapor Pressure

Daily average ≤ 2.2 kPa

Monthly average ≤ 1.8 kPa

6、Surrounding Environment 

Free from fire hazards, explosion risks, severe pollution, chemical corrosion, or excessive vibration

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Operating Conditions 

1、Ambient Temperature

Upper limit: +40°C (with 24-hour average not exceeding 35°C)

Lower limit: -10°C

2、Altitude 

Not exceeding 2,000m (must be specified when ordering)

3、Relative Humidity

Daily average ≤ 95%

Monthly average ≤ 90%

4、Seismic Intensity

Not exceeding 8 on the Richter scale

5Water Vapor Pressure

Daily average ≤ 2.2 kPa

Monthly average ≤ 1.8 kPa

6、Surrounding Environment 

Free from fire hazards, explosion risks, severe pollution, chemical corrosion, or excessive vibration

Dimensions

Model Number and Designation Explanation: K  Y  N  61  -  40.5  ¨ / ¨  ¨ ① ② ③  ④     ⑤  ⑥  ⑦  ⑧  
Metal-Clad Enclosed Type  Rated Voltage(kV)
Withdrawable Circuit Breaker Types: Z - Vacuum (Vacuum Circuit Breaker) SF6 - Sulfur Hexafluoride (SF6 Circuit Breaker)
Indoor Use rated current
Design Serial Number Rated short-circuit breaking current
  Technical Parameters
No. Name Unit Parameter
1 Rated Voltage KV 40.5
2 Rated Current A 1250 , 1600 , 2000
3 Rated Frequency Hz 50
4 Rated Short-Time Withstand Current KA 20 , 25 , 31.5
5 Rated Peak Withstand Current KA 50 , 63 , 80
6 Rated Power Frequency Withstand Voltage KV 95/1min
7 Rated Lightning Impulse Withstand Voltage KV 185
8 Rated Short-Circuit Duration s 4
9 Protection Degree IP IP3X
KYN61-40.5 AC Metal-Clad Withdrawable Switchgear
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  • Industrial Enclosure

    Post Haec Gallus Hierapolim Profecturus

    Localibus subinde medetur aerumnis, disponi quicquam statuit vel ex provinciis alimenta transferri conterminis, sed consularem Syriae Theophilum prope.

    Learn More
    • 1200
      Enclosures
    • 7 days
      Production Time
  • Industrial Enclosure

    Post Haec Gallus Hierapolim Profecturus

    Localibus subinde medetur aerumnis, disponi quicquam statuit vel ex provinciis alimenta transferri conterminis, sed consularem Syriae Theophilum prope.

    Learn More
    • 1200
      Enclosures
    • 7 days
      Production Time
  • Industrial Enclosure

    Post Haec Gallus Hierapolim Profecturus

    Localibus subinde medetur aerumnis, disponi quicquam statuit vel ex provinciis alimenta transferri conterminis, sed consularem Syriae Theophilum prope.

    Learn More
    • 1200
      Enclosures
    • 7 days
      Production Time
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