High Voltage Sf6 Ring Main Unit Switchgear

Product Description

High voltage SF6 Ring Main Unit

1. Product attributes

Brand Name	L/J
Place of Origin	China
Minimum Order Quantity	1Set
Price	Negotiation
Payment Terms	T/T , L/C
Supply Ability	1000 Set
Delivery Time	30-45 Days
Warranty	1 Year

 

1. Introduction

An solid insulation Ring Main Unit is applicable to 12 kv electric power system in the cable line segments, contact and pick up the load, etc., can be widely used in all kinds of small city, reconstruction of rural electric power distribution and power system secondary substations, open and close by, box-type substation, residential, industrial and mining enterprises, shopping malls, particularly applicable to the airport, subway, railway on electricity demand higher occasion.It can provide satisfactory technical solutions to meet different requirements of users in different application sites (especially in harsh environment). 
 

1. Environmental conditions

Normal service environmental conditions
· the highest ambient air temperature shall not exceed 40ºC, and the average value measured within 24 hours shall not exceed 35ºC, and the minimum temperature shall not be lower than -15ºC;
· altitude not exceeding 3000m;
· relative humidity - daily average does not exceed 95% and monthly average does not exceed 90%.
· the daily average steam pressure shall not exceed 2.2kPa and the monthly average shall not exceed 1.8kPa.
· the surrounding air is not visibly polluted by dust, smoke, corrosive and/or flammable gases, vapors or salt spray.
Special conditions of use
· when the switch is not installed in an area above 3000m above sea level, the ordering party shall consult with the manufacturer about the factory conditions (altitude correction coefficient confirmation) and ask for the relevant factory inspection report.
· when the highest ambient temperature exceeds 40ºC, the rated current-carrying capacity of the switchgear must be reconfirmed by the manufacturer when ordering.

1. Technical parameters

Item		Unit	Data
Rated voltage		KV	12
Power frequency withstand voltage (phase and ground)		KV	42
Power frequency withstand voltage (fracture)		KV	48
Lightning shock withstand (Phases, to ground)		KV	75
Lightning shock withstand (fracture)		KV	85
Rated frequency		HZ	50
Main bus rated current		A	630
Branch circuit rated current	Circuit breaker, load switch	A	630
	Combination of load switch and fuse		125
Rated short-term withstand current (including load switch)		KA	25,31.5
Rated peak withstand current (including load switch)		KA	63,80
Rated short circuit duration		S	4
Protection level (enclosure/compartment)			IP40/IP20
Classification of operation continuity			LSC2B-PM
IAC rating (including circuit breaker room, cable room, bus room)			BFLR,25A,0.5S
Static load		KG	300~500
Dynamic load		KG	800~1000
External dimension of switch cabinet (width × height × depth)		MM	400×1750×800

 

1. Packaging & Shipping

Packaging: Wooden case, container or according to client's requirements
Shipping: Land transportation and Ocean transportation

About us
Powerchina Henan Electric Power Equipment Co., Ltd.

• POWERCHINA Henan Electric Power Equipment Co., Ltd. is a subsidiary company of Power Construction Cooperation of China (POWERCHINA) FORTUNE GLOBAL 500
• Professional customer service, product development, technical Support and after Sale Service.
• POWERCHINA Henan Electric Power Equipment Co., Ltd, covering an area of 84000 square meters, was established in 1958
• POWERCHINA Henan Electric Power Equipment Co., Ltd has a total of more than 426 employees, including more than 128 engineers and technicians.

History
POWERCHINA Henan Electric Power Equipment Co., Ltd. covering an area of 84000 square meters was established in 1958 under the name of Luohe Iron Industry Association, during these period, the name of the company changed several times as follows: Luohe Iron Industry Association in 1965, Luohe Electric Equipment Material Factory in 1971, and was placed under the administration of the Electric Power Industry Bureau of Henan in 1976, Henan Electric Equipment Material Company in 2010 with the supervision of State Grid Cooperation of China, after reorganization, become subsidiary company of Power Construction Cooperation of China(POWERCHINA) in September 2011. In 2018, the company name has changed to POWERCHINA Henan Electric Power Equipment Co., Ltd. Presently, the company has a total of more than 426 employees, including more than 128 engineers and technicians, and its fixed asset reached more than 100 million Yuan.

Service
We provide the following services:
Product development and production
Professional customer service
Technical Support
Reliable warehousing and logistics
After-Sale Service and warranty commitmentsOEM&ODM
We have many oversea projects, which have made us professional in OEM and ODM.


Production line
Our company has 440 sets of production equipment and experimental equipment, including low-pressure casting machines, 800-ton die-casting machines, CNC machining centers, 1000-ton servo direct-drive electric screw presses, 300T (200T) horizontal tensile testing machines, 100T servo universal testing machines, magnetic particle flaw detection machines, pendulum impact testing machines that can meet the requirements of - 40 ºC, spectral analyzers, etc., as well as forging hardware, anchor bolts, nuts, segment bolts, dacromet 6 fully automatic production lines including photovoltaic support.


R&D Center
Our R&D Center owes 300t horizontal tension machine, 300t horizontal tension machine, Magnetic particle flaw detector, Magnetic particle flaw detector, Magnetic particle flaw detector, Spectrum analyzer, Coating testing machine and so on
Our Team
We are member of the National Overhead line Standardization Committee and China Electric council Power Equipment Standardization Committee,Participated in the formulation of DL/T 764-2014 DL/T 1343-2014 DL/T284-2012 and other professional standards,At the same time, assisted the State Grid Corporation of China to formulate the general design standard of 1000kV and 800kV transmission and distribution line fittings.
We are also a state-level high-tech enterprise, a provincial enterprise technology center, a Research center of Henan Energy-saving electric power fittings Engineering technology, an innovative pilot enterprise of Henan Province, and an intellectual property advantage enterprise of Luohe City.