High voltage switchgear cabinet

Specifications 1.Smiliar to Schneider SM6 Switchgear

2.Easy installation and maintenace-free

3.Modurlar and compact design

Feature & Benefits    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   The XGN SF6 ring main unit is made up of modular units containing fi xed, disconnectable orwithdrawable metal-enclosed switchgear, using sulphur hexafl uoride (SF6) or vacuum. The XGN SF6 ring main unit  are used for the MV section in MV/LV Transformer substations in publicdistribution systems and MV consumer or distribution substations up to 36 kV.  XGN units are designed for indoor installations. Their compact dimensions are:  a.375 to 1500 mm width
 b.1600 to 2250 mm height
 c. 840 to 1400 mm depth
 this makes for easy installation in small rooms or prefabricated substations.Cables are connected via the front.
 All control functions are centralised on a front plate, thus simplifying operation.The units may be equipped with a number of accessories (relays, toroids,instrument transformers, Surge Arrester, control and monitoring, etc.).   Normal operating conditions   Ambient air temperature:
1) less than or equal to 40°C
2) less than or equal to 35°C on average over 24 hours
3) greater or equal to –5°C.
Altitude
1) less than or equal to 1000 m
2) above 1000 m, a derating coeffi cient is applied (please consult us).
Solar radiation
1) no solar radiation infl uence is permitted.
Ambient air pollution
1) no signifi cant pollution by dust, smoke, corrosive and/or flammable gases,
vapours or salt.
 Humidity
1) average relative humidity over a 24 hour period, less than or equal to 95%
2) average relative humidity over a 1 month period, less than or equal to 90%
3) average vapor pressure over a 24 hour period, less than or equal to 2.2 kPa
4) average vapor pressure over a 1 month period, less than or equal to 1.8 kPa.
For these conditions, condensation may occasionally occur. Condensation can be
expected where sudden temperature changes occur in periods of high humidity.
To withstand the effects of high humidity and condensation, such as breakdown of
insulation, please pay attention on Civil Engineering recommendations for design
of the building or housing, by suitable ventilation and installation.   Photos            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

  Certificate     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.   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. Major project/ Customer         Shanghai Eletric          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.          ,,

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