Sf6 Ring Main Unit Power Supply

• Certification: ISO9001, ISO14001, Ohsas18000, Type Test, etc
• Shell Material: Steel
• Voltage Level: High Voltage
• Installation: Removable
• Structure: Floorstanding
• Module Type: L, P, V
• Model NO.: SF6
• Rated Voltage: 12kv
• Rated Current: 200A, 630A
• Transport Package: 1PC/ Carton
• Specification: Steel, Can be customized
• Trademark: HiFuture
• Origin: Shenzhen, China
• HS Code: 8537109090
• Production Capacity: 100000PCS / Year

Product Description

SF6 Ring Main Unit

Hifuture manufactures a rang of MV/ LV Switchgears to customers'requirement and has a proven record for supplying high quality switchgear products to the Nation's Power Grid.

Gas Insulated Ring Main Unit:
1. Flexible design to suit existing switchboards.
2. Individual compartments, circuit breakers, busbars, cable(feeders) and instrument compartments.
3. Muti-level security built to ensure greater user safety.
4. Longer lasting, resistant to corrosive agents.
5. Space efficient and maintenance free.


Technical Data:

			L Module	P Module	V Module
			Load switch	Fuse unit	Breaker unit
Rated Voltage		kV	12	12	12
Rated Current		A	630	200	630
Power frequency withstand voltage 1 min	Phase to earth/ phase to phase	kV	42	42	42
	Insulating distance	kV	48	48	48
Impulse withstand voltage	Phase to earth/ phase to phase	kV	95		75
	Insulating distance	kV	125		85
Rated closed loop breaking current		A	630
Rated cable-charging breaking current		A	30
Rated breaking inductive current		A
Rated short-time withstand current 4s		kA	20		20/25
Rated peak withstand current		kA	50		50
Rated transfer current		A		1700
Rated short circuit breaking current		kA			20
Rated short circuit making current		kA	50
Rated short circuit breaking times		times
Rated short circuit making times (load switch/grounding switch)		times	5/5		30
Rated current breaking times		times	>100
Machine operation times (load switch/ground switch)		times	5000/2000	5000/2000	30000

 

Normal environment condition		SF6 Gas pressure	Under 20 c 0.4 bar
Environment temperature		Year leakage rate	0.25 per year
Max temperature	+50ºC	Protection class
Max temperature (24 hours average)	+35ºC	SF6 air chamber	IP67
Min temperature	-40ºC	Switchgear shell	IP3X
Humidity
Max average relative humidity 24 hours	≤95%
Altitude	≤1000 meter

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