40.5kV Air-Insulated Switchgear

Product Detail

XD Baoji Electric Co.,Ltd is one of the leading China 40.5kv air-insulated switchgear manufacturers and suppliers, as a professional company, our factory is able to produce quality 40.5kV AIS, 40.5kv air-insulated switchgear products at competitive price.

Product Description
      KYN61-40.5 series indoor AC metal enclosed switchgear is three-phase A.C 50Hz indoor complete distributing equipment with the voltage range 12KV. It is used for power plant to transmit power and used for electricity system, industrial and mineral enterprise to receive and distribute power.
      The structure of this switchgear is metal enclosed, withdrawable truck, the frame of the enclosure is made of steel plates which surface is covered by aluminum and Zinc, multiple bending and built-up with bolt. It can be equipped with VXB-40.5?VXB-40.5P series vacuum circuit breaker, withdrawable truck with leading screw and nut mechanism, safe and reliable. The wrong operation can be avoided due to its function of the ‘FIVE PROVENTION’. It can meet the standard requirments of IEC62271-200?IEC62271-1?GB3906?GB/T11022 etc.
      Overall dimension (W×D×H mm):1400(1200/1680/1860)×2800(3000/3200/3400/3600)×2600(2850/2950)
Features of Product
      Altitude above sea level 3500m and below. 
      Current rating up to 2500 A/31.5kA.
       Internal arc classified (IAC):AFLR,31.5kA/1s.
      Equipped with VXB-40.5P series vacuum circuit breaker with embedded poles, with independent intellectual property.
      The internal barriers are made up of steel plate, and the loss of service continuity category (LSC) can meet the requirments of LSC2B.
Technical Parameters

Item			Unit	Data
Rated voltage			kV	40.5
Rated current			A	1250?1600?2000?2500
Rated frequency			Hz	50
Rated Short-time withstand current	Main circuit	kA/4s		25?31.5
	Earthing switch	kA/4s		25?31.5
	Earthing connect circuit	kA/2s		21.8?27.4
Rated peak withstand current	Main circuit	kA		63?80
	Earthing switch	kA		63?80
	Earthing connect circuit	kA		54.5?68.5
Degree of protection	Enclosure		IP4X
	Compartment		IP2X
Rated insulation level	Rated power-frequency withstand voltage		kV/1min	95
	Rated lightning impulse withstand voltage		kV	185
IAC	Fault current		kA	31.5
	Duration		s	1