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Discount wholesale 40.5kv High Voltage Embedded Pole Types Vacuum Circuit Breakers

Short Description:

The ZW8-12 outdoor high-voltage vacuum circuit breaker is a high-voltage outdoor switchgear with a rated voltage of 12kV and a three-phase AC 50Hz. It is mainly used to switch the load current of rural power grids, urban power grids and small power systems.

Material: Procelain,copper,hot dip Galvanized steel and SF6 air


  • Product name: 12kV Vacuum circuit breaker
  • Type: Type
  • Rated voltage: 12KV
  • Rated current: 630A
  • Standard: IEC60056,IEC60265
  • Material: Procelain,copper,hot dip Galvanize
  • Rated frequency: 5060Hz
  • Application: power station
  • Mechanical Life: 10000
  • Packing: Wooden Case
  • Product Detail

    Product Tags

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    Specification

    Serial number

    parameter name

    Value

    1

    Rated voltage

    12KV

    2

    Rated current

    630A

    3

    Power frequency withstand voltage

    42kV/48kV

    4

    Mechanical life

    10000

    5

    Isolation new port disconnect distance

    > 200mm

    6

    Average opening speed

    1.0+0.2m/s

    7

    Average closing speed

    0.7+0.15m/s

    Parameter

    Rated voltage

    KV

    12

    Max. operating voltage

    KV

    12

    Rated current

    A

    630

    Rated short circuit load breaking current

    KA

    20

    Rated short circuit making current (peak)

    KA

    50

    Rated p-eak withstand current

    KA

    50

    Rated short time withstand current 1 min

    KA

    20

    Rated insulation Power

    level

    Power frequency withstand voltage (dry) 

    KV

    42

    Lig htning impulse withstand voltage (peak}

    KV

    75

    Rated operating sequence

     

    (O)-0.3s{CO)-180s (CO)

    Mechanical life

    time

    10000

    Nos of breaking rated short circuit breaking current

    time

    30

    Rated dosing voltage of operating mechanism

    V

    110,220

    Rated opening voltage of operating mechanism

    V

    110,220

    Opening distance of contact

    mm

    11 ±1

    Over travelling distance (spring compressed length of contact}

    mm

    3

    Asynchrony of opening or closing three phases

    ms

    ≤2

    Jumping time of contact closing

    ms

    ≤2

    Average opening speed

    s

    1.0±0.2

    Average closing speed

    s

    0 7±0.15

    Opening time

    Under highest operating voltage

    s

    0.015-0.05

    Under lowest operating voltage

    s

    0.03-0.06

    Closing time

    s

    0.025-0.05

    Main circuit resistance of each phase

    卩C

    ≤120

    Permissible abraded thickness of moving and static contacts

    mm

    3

    That has a sound business enterprise credit history, excellent after-sales assistance and modern production facilities, we now have earned an superb status among our buyers across the whole world for Discount wholesale 40.5kv High Voltage Embedded Pole Types Vacuum Circuit Breakers, Welcome you to sign up for us with each other for making your business enterprise easier. We’re generally your most effective partner when you want to have your own business.
    Discount wholesale China Circuit Breaker and Vacuum Circuit Breaker, Our faith is to be honest first, so we just supply high quality merchandise to our customers. Truly hope that we can be business partners. We believe that we can establish long time business relationship with each other. You can contact us freely for more information and pricelist of our goods !


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