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Yangzhou Ke Yu Electric Power Co., Ltd.

Address: No. 97, Zhongxin Road, Automobile Industrial Park, Yizheng City, Yangzhou City
Phone: 0514-87520111

E-mali:keyudl09@126.com
Website: www.keyudl.com

LW -12/630-20 outdoor SF6 primary and secondary integrated circuit breaker

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LW -12/630-20 outdoor SF6 primary and secondary integrated circuit breaker

Product description
The LW-12 outdoor pole-mounted SF6 circuit breaker is a new generation product developed by our company in response to the new requirements of the national grid's primary and secondary integration of the complete set of pole switches. The switch configuration fully meets the national grid's primary and secondary integration requirements, which is convenient for the national grid to unify. Procurement and mass production. The switch has a compact structure, reasonable layout, and complete functions. All indicators meet the requirements of the primary and secondary integration of the State Grid; the use of unified parameter protection and measurement integrated CT, zero sequence CT and zero sequence voltage sensors have a wide measurement range and high measurement accuracy , The characteristics of high reliability, complete analog quantity, easy to accurately determine various faults of the line.
 
product composition
◆ LW-12 common box type SF6 pole-mounted circuit breaker, built-in 3-phase current transformer, zero sequence current transformer and zero sequence voltage sensor
◆ Intelligent feeder terminal (box type or cover type), built-in supporting power supply (battery or super capacitor), built-in line loss module (optional)
◆ Power supply voltage transformer (1 or 2 single-phase)
◆ Standard aerial plug and cable and installation accessories



 

Scope of application
It can be applied to the main line segmentation line, branch line boundary line and tie line in my country's intelligent distribution network.
Main features
◆ SF6 arc extinguishing structure, reliable short-circuit failure
◆ The port distance is greater than 35mm, no external isolation switch is required, the isolation port has reliable insulation and strong lightning resistance.
◆ The one-time forming design of the stainless steel shell is adopted to avoid the stress and deformation caused by the secondary welding of the finished product
◆ Design of large climbing distance and 250mm large interphase distance, strong insulation capacity, suitable for high altitude areas
◆ Quickly detect, distinguish and remove short-circuit current faults
◆ Remote control, remote measurement, remote signaling, remote adjustment functions
◆ High-precision fault recording function
◆ Single-phase ground fault detection function
◆ Line loss detection and lean calculation
◆ Centralized and local feeder automation functions
◆ Strong electromagnetic compatibility and harsh environment adaptability
 


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Professional inspection report of integrated post circuit breaker

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