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24kv 1250A High Voltage Circuit Breaker VT19 Handcart Circuit Breaker

Categories High Voltage Vacuum Circuit Breaker
Brand Name: Tianan Electric
Model Number: VT19-24
Certification: GB1984、GB/T11022、DL/T403 and IEC62271
Place of Origin: China
MOQ: 1 unit
Price: Pending
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000PCS/year
Delivery Time: 35 work days
Packaging Details: Wooden Cases
Rated Voltage: 24KV
Rated Current: 630 A,1250A
Type: Fixed Type / handcart Type
Rated Frequency: 50Hz
Arc-extinguishing Medium: Vacuum
Mechanical life: 20000times
Poles Number: 3
Function: Conventional Circuit Breaker
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    • Product Details
    • Company Profile

    24kv 1250A High Voltage Circuit Breaker VT19 Handcart Circuit Breaker

    24kv Vacuum Are - extinguishing Chamber High Voltage AC Vacuum Circuit Breaker

    NINGBO TIANAN (GROUP) CO., LTD.


    Overview

    VT19-24indoor HV vacuum circuit breaker is used in three-phase AC electric system of 50HZ,24kV. It is used as control and protection department in the mining company ,power factory and substation. Because of its special advantages, it is also suitable for the site which frequently operation under rated current or multiple breaking short-circuit current.

    The circuit breaker is identified by some national standards and international relative standards, such as GB1984,GB/T11022,DL/T403 and IEC62271, etc. It has reliable lockage, used as truck department or fixed installation department.


    Type designation

    Service condition

    Normal condition

    Ambient temperature +40℃~-25℃
    Ambient humidity Daily average relative humidity ≤95%
    Daily average stream pressure ≤2.2ⅹ10-3MPa
    Monthly average relative humidity ≤90%
    Monthly average stream pressure ≤1.8ⅹ10-3Mpa
    Elevation ≤1000m(If it is 12kV, ≤4000m)
    Degree of earthquake <8
    The site has no water,no fire goods and explosion goods,no chemical goods and serious quake


    Special condition
    If user has some special requirement, please negotiated by manufacture and user.


    The main parameter of 24KV circuit breaker


    Rated voltage24kV
    Rated frequency50Hz
    Rated lighting impulse withstand voltage125kV
    Rated 1 min power frequency withstand voltage65kV
    Rated operation sequenceO-0.3s-CO-180s-CO
    Rated current (A)630,12501250,1600,2000,2500
    Rated short circuit breaking current (r.m.s, kA)20/2531.5
    Rated short circuit making current (peak value, kA)50/6380
    Rated short time withstand current/short circuit continuous time (kA/s)20,25/431.5/4
    Rated peak value withstand current (kA)50/6380
    Breaking times of rated short circuit(times)30
    Mechanical duration (times020000
    Weight (kg)Fixed type≤250
    Truck type≤350
    NameUnitData
    Distance of contact terminalmm12±1
    Over-travel4±1
    Three-phase opening & closing asynchronousms≤2
    Tripping time of closing contact terminalms≤2
    Closing & opening timeOpeningms≤50
    Closing≤70
    Average opening speed(after opening 6mm)m/s1.4±0.3
    Average closing speed(after closing 6mm)0.8±0.2
    Buy 24kv 1250A High Voltage Circuit Breaker VT19 Handcart Circuit Breaker at wholesale prices
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