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VCB Fixed- Type Indoor Vacuum Circuit Breaker With High Voltage 12KV/ 40.5KV

Categories Smart Grid Device And Systems
Brand Name: TIANAN Electric
Model Number: ZN12-12/40.5
Certification: GB1984, JB3855, DL403 and IEC standards
Place of Origin: CHINA
Price: Pending
Payment Terms: L/C, T/T, D/A, D/P
Supply Ability: 1000sets Per year
Delivery Time: 30days
Packaging Details: wooden case
Rated voltage: 12KV/24KV/40.5KV
Rated Current: 630,1250,1600,2000,2500,3150
Poles Number: 3
Altitude: ≤2000m
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    VCB Fixed- Type Indoor Vacuum Circuit Breaker With High Voltage 12KV/ 40.5KV

    VCB Fixed- Type Indoor Vacuum Circuit Breaker With High Voltage12KV/ 40.5KV​


    1. General Features

    ZN12 -40.5 series indoor high voltage vacuum circuit breaker applied to power system that of 35KV three-phase AC 50HZ. It is using the longitudinal magnetic field contacts for the ceramic structure,the proliferation of breaking arc generated when current distribution in the contact on the same local melting phenomenon does not occur, but also has a low arc energy voltage (20-200V) and low chopping current (4-5A), and operate with high reliability organizations.


    2. Environmental Condition

    • Altitude:not exceed 2000m
    • Ambient temperature:not higher than +40°C, not less than -10°C
    • Relative humidity:daily average relative humidity:≤95%;monthly average relative humidity≤90%;daily average saturated vapor pressure ≤2.2KPa;monthly average value ≤1.8KPa
    • Earthquake intensity:≤8 degree
    • The installation should be free from fire,explosion,severe vibration,chemical corrosion and serious pollution

    3. Technical Data


    No.ItemUnitData
    1Rated voltageKV40.5
    2Rated currentA1250,1600,2000,2500,3150
    3Rated frequencyHZ50
    4Rated short time with stand currentKA25,31.5
    5Rated short-circuit breaking current times20
    6Mechanical lifetimes30000
    7Rated lightning impulse with stand voltageKV185
    8Rated operating sequenceO-0.3S-CO-180S-CO
    9Raged voltage of closing and opening electromagnetVAC/DC220,110
    10Rated voltage of no-voltage releaseVAC/DC220,110
    11Rated short-duration power frequency withstand voltage (1min)KV95
    12Opening timems30≤t≤75
    13Closing timems30≤t≤65
    14Energy storage times≤15

    4. Application


    ZN12-40.5 series indoor high voltage vacuum circuit breaker is the main switch applying to KYN-40.5/GBC-40.5 series switchgear. As a movable unit, the circuit breaker is installed on the hand cart of switch cabinet. This kind also can be used for fixed mounting unit in XGN-40.5 switchgear.

    This breaker was designed as a unit which gathering actuator andcircuit breaker main body. Special spring energy storage type operating mechanism can be used in AC / DC operation, manual operation.

    Quality VCB Fixed- Type  Indoor Vacuum Circuit Breaker With High Voltage 12KV/ 40.5KV for sale
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