HXGN central metal-clad 22kV transformers & switchgears

Specifications 1.Modular design.

2. Manufacure&ISO9001.

3.all insulated and full-sealed.

4.good quality and competitive price.

Feature & Benefits Switchgear   1.  Up to 40kV,5000A,50/60 Hz. 2.  Indoor or outdoor Electrical Switchgear, factory-assembled, for pirmary and secondary distribution systems protection. 3.  Improved safety for personnel and operations. 4.  Flexible,smart for combination.  5.  IEC standards compliant. 6.  Parts from ABB,SCHNEIDER, GE,etc., are available. 7.  Quality is assured by extensive design and production tests, coupled with manufacturing in facility that has been certified in compliance with ISO 9001. 8.  One year warrantly   Description   HXGN series SF6 Ring Main Unit is an extensible, SF6 insulated switchgear, with rated voltage of 12&24kV. All live parts and switches of the primary high voltage are completely enclosed in the SF6 gas tank welded by 3mm thick stainless steel sheets, thus the whole switch gear is imperious to external environment conditions to guarantee maintenance-free,reliable operation and personal safety.   By plug-in type busbar extension, HXGN series RMU can be of free combination and full modularization. The busbar extension has passed type test for power and thermal stability.   1. Photos     2. Structure and Features  SF6 gas insulated  Sealed gas tank by 3mm stainless steel  Totally enclosed and insulated main busbar and cable terminal   Outdoor service, maintenane free  Interlocking system  High degree of protection against adverse and polluted circumstance  Vacuum Circuit Breaker(optional)  Power automation system(optional)

Dimension	H(mm)	1380
	W(mm)	350
	D(mm)	800

  3. Technical datas:

No.	Name	Unit	Value
1	Rated voltage	kV	12~24
2	Rated current	A	630
3	Rated frequency	Hz	50
4	Rated on-load breaking current	A	630
5	Rated closed circuit breaking current	A	630
6	Rated short-circuit breaking current	kA	6.3
7	Rated cable charging breaking current	A	10
8	Rated power frequency insulation withstand voltage                          (arc extinguish chamber/isolation fracture)	kV	42/48
9	Rated lightning impulse withstand voltage                                       (arc extinguish chamber/isolation fracture)	kV	75/85
	Rated short-time withstand current	kA	16(20)
10	Duration of rated short-circuit	S	4
11	Rated peek withstand current	kA	40(50)
12	Rated short-circuit current	kA	40(50)
13	Mechanical endurance	time	10000
14	Rated daylight	mm	7±1
15	Vaccum arc extinguish overtravel	mm	3+1-0.5
16	Average closing speed(arc extinguish chamber)	m/s	0.7±0.3
17	Average opening speed(arc extinguish chamber)	m/S	1.1±0.3
18	Three-phase closing synchronization	m/s	≤5
19	Rated contact pressure	N	800±100
20	Closing arc extinguish chamber contact bounce	ms	≤3
21	Isolation fracture daylight	mm	200
22	Main loop resistance	μ Ω	≤200

4. Our Advantage        We have been officially certified for ISO9001:2008(Quality management system),ISO 14001:2004 (Environment Management system) and OHSAS (Occupational health and safety management  system).       We have passed 16 type tests by China National High Voltage Apparatus Supervision Testing Center For MV products.       As  cooperative manufacturer of ABB, we always are closed to the international latest technology.       As a pre-IPO enterprise, we are pround of the honors and awards by governments and association of different levels, such as " Famous Trademark of shanghai China","Model Innovation Enterprise","China's Top 100 Fast-growing Technology-based SME","User satisfaction enterprise/product of Shanghai" and so on.       We currently owns several roprietary patents, key technologies and computer software copyrights too.    5. Service           First-class engineers and researches dedicated in the product and service innovation.        Experienced sales and logistic team to operate the transaction and shippment smoothly.        Skilled workers and advanced manufactruing equipment gurantee the production and quality well.        Professional QC team to gurantee the terminal quality.        Good after-sales service to settle any question and problem from our customer and give prompt    reply and solution scheme.          6. Major project/Customer   Shanghai Electric     ABB China Schneider China China State Grid Petro China Sinopec China Mobile China Telecom Dell China Linde Gas China ... and so on      We‘re always at your service, any question please feel free to contact us.   ..      

Contact us if you need more details on Medium Voltage Metal-clad Switchgear. We are ready to answer your questions on packaging, logistics, certification or any other aspects about 22kv Distribution Transformer、Transformers & Switchgears. If these products fail to match your need, please contact us and we would like to provide relevant information.

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