12kv AC Vacuum Circuit Breaker

Product Description

12kv AC Vacuum Circuit Breaker  
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

Outdoor pole-mounted vacuum circuit breaker is a kind of outdoor
three-phase AC power distribution equipment at 12kV and 50Hz, mainly used for closing the load current and opening over current and short circuit current in the power system. It can be used as a section switch in the distribution line, branch line and ring main and as a incoming switch in rural grid, industrial and mining enterprises, residential areas, construction sites, etc.
 

1. Service Conditions:

Altitude: ≤1000m; if applied in special conditions, it is designed to 2000m to 4000m to
meet the requirements of different altitudes.
Ambient temperature: -40ºC~+40ºC;
Wind speed≤35m/s;
It is placed in the places without violent vibration
 

1. Technical parameters

Item	Unit	Data
Rated voltage	KV	12
Rated frequency	Hz	50
Rated current	A	630/1250
Rated short circuit breaking current	kA	20/25
Rated peak withstand current(peak)	kA	50
Rated short-time withstand current(4S)	KA
Rated short-circuit closing current(peak)	kA	50
Mechanical life	Times	Spring Operation10000 Permanent Magnetic30000
Rated current breaking	Times	0-0.3s-C0-180s-CO
Rated short-circuit breaking current	Times	30
Power frequency withstand voltage(1min)	KV	42(across open contacts:49/34)
Lightning impulse withstand voltage(peak)inter-phase	KV	75(across open contacts:85)
Closing time	ms	25~60
Total breaking time	ms	s100
Arcing time	ms	s20
Rated input power of energy storage motor		40
Rated operating voltage and rated voltage of auxiliary circuit	V	DC220,110,24 AC220,110,24
Storage time under rated voltage	S	s10
Rated current of over-current tripper	A	5

 

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.