Lw3 12kv Sf6 Arc Extinguishing Outdoor Pole Mounted Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Recloser
• Model NO.: LW3
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000, CCC
• Product Name: Sf6 Vacuum Circuit Breaker
• Orign of Place: Zhejiang, China
• Related Voltage: 0-12V
• Rated Frequency: 50/60Hz
• Rated Current: up to 630A
• Certificate: ISO CCC
• OEM: Offered
• MOQ: 1PCS
• Mechanical Life: 10000 Times
• Net Weight: 140 Kg
• Transport Package: Normal Export Case
• Trademark: Zhegui Electric
• Origin: Zhejiang, China
• HS Code: 8537209000
• Production Capacity: 50pieces/Week

Product Description

PRODUCT DETAILS

A complete set of primary and secondary integrated pole circuit breaker
 

Description:
*Type LW3-12/630-20 column-mounted circuit breakers are suitable for use with a rated voltage of 12kV
*Rated current 630A, 50/60Hz distribution network off
*Turning off the load current and overload current in the power system can automatically separate the fault distribution circuit segments
*switches with the latest technology of electronic controller, manual operation, electric operation and remote operation
*The electronic controller is housed in a stainless steel case and can be used in all weather conditions
*In addition, the box can also be installed with wired and wireless modems, which can achieve remote monitoring and control
*Simple column installation and arrangement is convenient and fast, reducing the construction cost.

 

 

 

 

TECHNICAL PARAMETER

 

Rated parameters		Other technical parameters		Power frequency withstand voltage
The rated voltage	12kV	Internal arc test	20kA/0.1sec	10sec (wet test)	45kV
Rated current	630A	Arc suppression medium	SF6Gas	1min (dry test)	50kV
Rated frequency	50/60Hz	Insulating medium	SF6Gas	1min (dry test)	50kV
Short-time Tolerance Current (RMS)	20kA/4sec	Creep distance (porcelain casing)	550mm
		Creep distance (silicone sleeve)	615mm
		Protection grade	54
Mechanical properties of	<0.1sec	Impact pressure (1.2×50μs)		gas pressure
Closing/opening time	10,000 times	relatively	85kV	rated working pressure(kgf/cm2G,at20ºC)	0.7
Mechanical stability operation	-25(-40)~70ºC	Between the fracture	95kV	Explosion-proof device operating pressure(kgf/cm2G)	4~6
Ambient temperature				minimum operating pressure(kgf/cm2G)	0.05
				Gas leakage rate(cc/sec)	1.1×10-7

 

 

THE USE OF CONDITIONS

 

 

 

1. Temperature of ambient air: upper limit +50ºC, lower limit -40ºC
2. Relative humidity: 110%
3. The altitude does not exceed 3000m
4. Wind pressure should not exceed 700Pa (equivalent to wind speed 34m/s)
5. Earthquake intensity: 8 degrees
6 installation site: no fire, explosion danger, no chemical corrosion and frequent violent vibration
7. Filth level: Class 3, 4

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COMPANY INFORMATION

 

Zhejiang ZheGui Electric Co., Ltd established in 2013. We are located in Zhejiang with convenient transportation access and developed electrical market. We are group of private enterprises that hold the production license issued by the former ministry of energy and ministry mechanical and electrical engineering. 
    The company has nearly 60 million fixed assets and more than 60 employees, covering 23133 square meters. We are specialized in R&D production of complete switchgear of high and low voltage equipment such as prefabricated substation, distribution cabinet/box, drawer cabinet, ring network cabinet, inflatable cabinet, etc. 
    We owns three CNC bending machine, CNC shearing machine, CNC laser cutting machine and a series of advanced production equipment to further optimized the product structure and improve the efficiency of production. After nearly 7 years of development, it has passed ISO 9001-2000 quality system certification. All items produced by our own factory, so our advantages are: reliable quality and reasonable price. Gather the world's energy to delight your business. It's honorable for Zhegui to share your progress, brilliance and success!

 

 

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