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Ningbo Ville Electric Co., Ltd.

Sf6 Circuit Breaker, 252kv Sf6 Circuit Breaker, Circuit Breaker manufacturer / supplier in China, offering High Voltage Circuit Breaker for Transformer, 2.5mva S9-M Series 10kv Wond Core Type Hermetically Sealed Oil Immersed Transformer/Distribution Transformer, Gw22b Series Outdoor Hv AC Disconnect Switch and so on.

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Supplier Homepage Product High Voltage Circuit Breaker High Voltage Circuit Breaker for Transformer

High Voltage Circuit Breaker for Transformer

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 50000 Sets/Year
Transport Package: Wooden Cases
Payment Terms: L/C, T/T, D/P

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Product Catalog
Circuit Breaker
24 Products
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Basic Info
  • Model NO.: Circuit Breakers for 72.5 kV up to 800 kV
  • Operation: Energy-storage Type
  • Arc-extinguishing Medium: SF6
  • Structure: MCB
  • Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection
  • Circuit Breakers: Dead-Tank Design
  • Specification: IEC
  • HS Code: 85
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Certification: VDE, ISO9001-2000, CE, CCC
  • Trademark: VILLE INDUSTRY
  • Origin: Ningbo China.
Product Description
Self-compression circuit breakers
252kV SF6 Circuit Breaker
MODEL: LW10B-252
VOLTAGE: 252KV
Circuit Breakers for 72.5 kV up to 800 kV
Circuit breakers are the central part of AIS and GIS switch-gear. They have to meet high requirements in terms of: Reliable opening and closing Consistent quenching performance with rated and short-circuit currents even after many switching operations High-performance, reliable, maintenance-free operating mechanisms. Technology reecting the latest state of the art and years of operating experience are put to use in constant further development and optimization of Siemens circuit break-ers. This makes Siemens circuit breakers able to meet all the demands placed on high-voltage switchgear.
The comprehensive quality system is certied according to DIN EN ISO 9001. It covers development, manufacturing, sales, commissioning and after-sales service.
Circuit breakers for air-insulated switchgear are individual components, and are assembled together with all indi-vidual electrical and mechanical components of an AIS installation on site.
Due to the consistent application of a modular design, all Siemens circuit breaker types, whether air-insulated or gas-insulated, are made up of the same range of compo-nents based on our well-proven platform design (g. 1): Interrupter unit Operating mechanism Sealing system Operating rod Control elements.
The principle of the operating mechanism with charging gear and latching is identical on all types (g. 3, g. 4). Differences between mechanism types are in the number, size and arrangement of the opening and closing springs. Main features at a glance: Uncomplicated, robust construction with few moving parts Maintenance-free Vibration-isolated latches Load-free uncoupling of charging mechanism Easy access 10, 000 operating cycles.
   TYPE            
 Rated voltage KV  72.5 123 145 170 245 300 362 420550 800 
 Number of interrupter units per pole      1     2                     4
 Rated power-frequency withstand voltage/min KV 140 230 275 325460  460 520 610 800 830
 Rated lightning impulse withstand voltage/min KV 325 550 650 750 1050 1050 1175 1425 15502100 
 Rated switching impulse withstand voltage/min  KV - - - - - 850 950 1050 1175 1425
 Rated normal current, up to  KV 4000 4000 4000 4000 4000 5000 5000 5000 5000 5000
 Rated short-time withstand current  (1 s - 3 s), up to [kA (rms)]   40 40 40 40 50 40 63 63 63 63
 Rated peak withstand current, up to   108 108 108 108 135 108 170 170 170 170
 Rated short-circuit breaking current, up to   4040  40 40 50 40 40 40 40 40
 Type of operating mechanism           Stored-energy spring mechanism
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            

Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE  knows the value of your time.
Packaging Details: The accessories packed in plywood cases,the main body in nude.

Our Best Service For You
1. Pre sale service
A. Make technical solution
B. Send quotation, technical data sheet and drawing
C. Prepare power transmission plan, testing plan,and shipment plan
2. In sale service
A. Supervise the manufacturing schedule totally in accordance with the plan
B. Send photos to customer during every manufacturing process(hold point)
C. Inform the customer one week before testing.
3. After sale service
A. Installation and commissioning, training the workers
B. Quick response within 12 hours any time
C. Provide 12 months gurantee period normally.
 
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