Hxgn15-12 Sf6 Power Transmission Ring Main Unit with Sf6 Load Switch Substation Switchgear Switchboard

• Customization: Available
• Certification: CCC, ISO9001
• Shell Material: Aluminum Alloy
• Model NO.: HXGN15
• Voltage Level: Medium Voltage
• Installation: Fixed
• Structure: Floorstanding
• Current: AC
• Standard: IEC62271-200, IEC62271-100
• Trademark: DGG
• Origin: China
• HS Code: 853720900
• Production Capacity: 100sets/Year

Product Description

Photos of Product

Hxgn15-12 Sf6 Ring Main Unit with Sf6 Load Switch switchgear

The HXGN15 AC Metal-enclosed Ring Main Unit Switchgear (hereinafter referred to as "ring main unit") is a new product designed and developed by Denggao Electric co. from oversea advanced latest techniques. The technical indicators of the product reaches standard of  IEC62271-200 and  GB3906. The product is characterized by small volume,light weight,operation flexibility,maintenance convenience, and quality stability & reliability, and it comes out with perfect interlock protection functions and IP3X protecton grade, so it is an ideal product for mains grid reconstruction. The product is mainly applicable to 50Hz three-phase AC network for receiving and distributing energy.

Mainly applicable in urban power grid construction and renovation project. industrial and mining enterprises.high-rise buildings and communal facilities .For power distribution .controlling and protection on electric equipment as the loop power supply unit or termina equipment. It also can be installed in preloaded substation

Feature:

Use SF6 load switch and load switch-fuse combination as main switch. Equipped with vacuum load switch and spring operating mechanism which can be operated by hand or electric. Earthing switch and insulating switch are equipped with hand operating mechanism. With small volume and high security.

1.Many years ring mian unit manufacturer 
2.Easy installation 
3.Less maintance 
4.Safe and upgradeable 

Technical reference:
 

No.	Item	Unit	Data
1	Rated voltage	kV	7.2/12
2	Rated current of main bus-bar	A	630
3	Rated current of incoming	A	630
4	Rated current of outgoing	A	125
5	Rated short time withstand current 4s	kA	20
6	Rated withstand current (peak)	kA	31.5
7	Rated short circuit making current(peak)	kA	50
8	Rated active load breaking current	A	630
9	Rated closed loop breaking current	A	630
10	Rated cable charging current	A	10
11	Earth switch rated short time withstand current 2s	kA	20
12	Earth switch rated withstand current (peak)	kA	50
13	Earth switch rated short circuit making current (peak)	kA	50
14	Rated AC current of the combination	A	3150
15	1 min power frequency withstand voltage	kV	42/48
16	Lightning impluse withstand voltage	kV	75/85
17	Mechanical life of Vacuum load breaker	times	10000
18	Mechanical life of Disconnector	times	2000
19	Load breaker average closing speed	m/s	0.6±0.2
20	Load breaker average opening speed	m/s	1.1±0.2
21	Load breaker three phase asynchronous	mS	≤2
22	Protection class	IP3X