KYN61-40.5/2500-31.5 Metal-enclosed Armored Removable Switchgear

Metal armored removable switchgear is suitable for indoor complete power distribution devices with three-phase AC 50Hz and rated voltage 40.5K. It is used for receiving and distributing electric energy in power plants, substations and industrial and mining enterprises, and it can control, protect and detect circuits and can also be used in places with frequent operations. This switchgear complies with GB/T11022-1999

Working Environment:

  • Ambient temperature: upper limit +40℃, lower limit -10℃;
  • Altitude not exceeding 1000 meters, altitude not exceeding 3000 for plateau switchgear;
  • Relative humidity: daily average value not exceeding 95%, monthly average value not exceeding 90%;
  • Earthquake resistance not exceeding 8 degrees;
  • Places without fire, explosion danger, serious pollution, chemical corrosion and severe vibration.

 

Mian Technical Parameters:

Name Technical Parameter
Rated voltage kv 40.5
Rated frequency Hz 50
Rated current of main bus A 1250、1600、2000、2500
Rated current of branch bus A 630、1250、1600、2000、2500
Rated Insulationlevel lmin power frequency withstand voltage (RMS) kV Alternate and opposite An isolated fracture
Lightning impulse withstand voltage (peak) 95-185 118-216
Auxiliary control loop lmin power frequency withstand voltage V 2000
kA 25、31.5
Rated short-circuit closing current (peak) kA 63、80
Rated short-time withstand current (4s) kA 25、31.5
Rated peak withstand current kA 63、80
V -110、-220、-220
Class of protection Enclosure lP4X compartment,lP2X when the circuit breaker
compartment door is open
Overall dimensions (W x D x H) mm 1400×2800(3000)x2800
Weight mg about 2300

 

Advantages of the metal armored withdrawable switchgear:

  • High Safety: Equipped with multiple protection mechanisms that effectively prevent electrical faults, ensuring the safety of both operators and equipment.
  • Reliability: Complies with industry standards such as GB/T 11022-1999, having undergone rigorous testing to ensure stable operation under various working conditions.
  • Flexibility: Can be configured according to different application needs, adapting to various work environments, especially in power plants and substations.
  • Easy Maintenance: Designed for convenience in daily maintenance, reducing downtime and increasing equipment availability.
  • Excellent Electrical Performance: Features high voltage resistance and short-circuit protection capabilities, able to withstand transient currents and voltage fluctuations.
  • Suitable for Frequent Operations: Particularly designed for environments with frequent switching, meeting high load and high frequency power demands.
  • Compact Design: Space-efficient design, making it easy to install and use in limited spaces.
  • Good Heat Dissipation: Optimized design for heat dissipation, ensuring normal operation of the equipment under high load.

These advantages make the metal armored withdrawable switchgear an indispensable key component in power systems.

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What our clients say

”From planning to delivery, it has been a smooth and gratifying transaction. The Dongshenyuan Electric team is quickly responsive, and the quality of DSY Switchgear are top-grade! In the end, they deliver as promised, and more. We look forward to a long-term partnership with them.”

Anurag Tyagi

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