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High Voltage Outdoor Three-Phase Vacuum Circuit Breaker Vcb for Power System 40.5kv

Shandong Weiteri Electric Co., Ltd.
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    Buy cheap High Voltage Outdoor Three-Phase Vacuum Circuit Breaker Vcb for Power System 40.5kv from wholesalers
     
    Buy cheap High Voltage Outdoor Three-Phase Vacuum Circuit Breaker Vcb for Power System 40.5kv from wholesalers
    • Buy cheap High Voltage Outdoor Three-Phase Vacuum Circuit Breaker Vcb for Power System 40.5kv from wholesalers

    High Voltage Outdoor Three-Phase Vacuum Circuit Breaker Vcb for Power System 40.5kv

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    Certification : ISO9001-2000, CCC
    Supply Ability : 50000PCS/Years
    Payment Terms : L/C, T/T
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    High Voltage Outdoor Three-Phase Vacuum Circuit Breaker Vcb for Power System 40.5kv

    Basic Info.

    Model NO.
    ZW7-40.5
    Breaking Capacity
    High Voltage Circuit Breakers
    Operation
    Electric Type
    Speed
    Normal Type Circuit Breaker
    Arc-extinguishing Medium
    Vacuum
    Installation
    Fixed
    Structure
    Recloser
    Poles Number
    3
    Type
    Circuit Breaker
    Function
    Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
    Certification
    ISO9001-2000, CCC
    Trademark
    Witry OEM
    Transport Package
    Export Standard Wooden Case
    Origin
    Shandong China
    HS Code
    8535210000

    Product Description

    Product overview
    ZW7-40.5
    LW7-40.5 outdoor high voltage vacuum circuit breaker is used for switching load current, overload current and short circuit current of AC 50Hz three-phase power systems. It is mainly composed of vacuum arc extinguisher, CT and driving mechanism. The overall structure is pole-mounted type. The three-phase shares the same mechanism box which is water proof. This circuit breaker is equipped with spring operating mechanism or electric operating mechanism.
    Service environmental conditions
    Ambient temperature: -30°C~+40 º C (special circumstances of -40°C~+40°C);
    Altitude : ≤2500m
    Relative humidity: Daily average of no more than 95%
    Monthly average of no more than 90% (25°C)
    Saturated vapor pressure: Daily average of no more than 2.2kPa
    Monthly average of no more than 1.8kPa
    Wind speed: No more than 34m/s(equal to cylinder surface 700Pa)
    Ice coating thickness: 10mm
    Seismic intensity: Horizontal acceleration: ≤0.3g
    Vertical acceleration ≤0.15g

    Sunlight strength: 0.1W/cm2 (at wind speed of 0.5m/s)
    Maximum daily temperature difference: 25ºC
    Nominal creepage distance: 31mm/kV
    In places free from free from flammables, explosives, chemical corrosion and violent vibration.
    Technical specification
    No.Technical requirementsUnitParameters
    1Rated voltagekV40.5
    21min power frequency withstand voltage(dry type)kV95
    3Wet type (external insulation to ground)kV80
    4Lightning impulse withstand voltage(peak)kV185
    5Rated currentA1600,2500
    6Rated short circuit breaking currentkA25,31.5
    7Rated operating sequenceOpen-0.3s-close-open-180s- close-open
    8Rated capacitor bank breaking currentA400
    9Breaking times of rated short circuit currentTimes12
    10Rated short circuit closing current (peak)kA63,80
    11Rated short-time withstand currentkA25,31.5
    12Rated short circuit durationS4
    13Full-open short circuit timems80
    14Mechanical lifeTimes10000




    About Our Company

    Shandong Witry Electric Co., Ltd. is a professional electrical equipment enterprise located in Shandong province east of China, integrating R&D, design, manufacture, supply and export.

    The main products are high-voltage transmission and transformation equipment, high and low-voltage switchgear, cable tray. the products are widely used in power, metallurgy, chemical industry, machinery, medicine, mining, textile and other industries.
    Mission & Vision
    Thinking and doing more, make customers do less.
    Being more efficient, make customers more beneficial.
    Represent with quality, make reputation with service.
    Sincerely treat guests, make friends in business.

    We are committed to producing only the highest quality products that meet or exceed our customers' expectations and requirements. Our goal is to achieve 100% customer satisfaction by delivering the best products and services on time and defect free. We will achieve this individually and corporately through tested and proven processes and controls in our Quality System, and with a constant focus and effort on continuous improvement.
    Our Employees
    Our employees consists of experienced, well-motivated and dedicated team of engineers, technicians, sales executives and management staff.

    Our company has a strong technical team, all-weather provide convenient fast pre-sale and after-sale service and detailed engineering technical solutions.
    Our Equipment and Management
    Our factory covers an area of 100,000 square meters and has 18 workshops. The main equipment includes laser cutting machine, Shearing Machine, automatic ladder edge production line, high-voltage electrostatic powder spraying production line, etc. It has more than 100 sets of imported CNC processing equipment and precision testing equipment.

    Each process has strict quality control and processing technology, and the products fully comply with national standards and IEC (International Electrotechnical Commission)standards. The company has successfully obtained ISO9001:2008 quality management system, ISO14001:2004 environmental management system and OHSAS18001:2007 occupational health and safety management system certification.





































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