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  • Fixed Type Vacuum Breaker tube 12kV EEP-121600-40 EEP-121250-40
  • Fixed Type Vacuum Breaker tube 12kV EEP-121600-40 EEP-121250-40

Fixed Type Vacuum Breaker tube 12kV EEP-121600-40 EEP-121250-40

  • Fixed type vacuum breaker tube,or called vacuum interrupter with epoxy resin,is made by casting vacuum interrupters,main circuit conduct and mounting parts with epoxy into an integral part.

  • Product Description
  • Model No: EEP-12/1600-40  EEP-12/1250-40

    Fixed type vacuum breaker tube has the following advantages

    Vacuum Interrupter Housing

    Material: Epoxy Resin & qualified Vacuum Interrupter

    Application: Middle & High Voltage

    Company Qualification: ISO9001 & ISO14001

    Good Quality & Competitive Price

    Small Order Accepted

    Prompt Delivery & Green Product

    Parameters of fixed type vacuum breaker tube

    1600 1250
    Rated voltage kV 12
    Rated current A 1600 1250
    Rated frequency Hz 50/60
    Short-duration(1min) power frequency withstand voltage  kV 48
    Lightning impulse withstand voltage kV 95
    Rated short-circuit breaking current kA 40
    Rated peak withstand current kA 100
    Rated short-circuit making current kA 100
    Rated short-time withstand current kA 40
    Rated duration of short-circuit S 4
    Rated breaking current of single capacitor bank A 400
    Rated breaking current of back to back capacitor bank A 400
    Rated operating sequence o-0.3S-co180S-co
    Breaking operations of rated short circuit breaking current Time 20
    Mechanical endurance Time 30000
    Contact self-close force N 120±50 
    Force required to hold contacts open at full stroke N 200±50 
    Circuit resistance at lower limit of rated contact force mΩ  ≤ 20 
    Contact limit erosion mm 3
    Gas pressure inside vacuum interrupter Pa ≤ 1X10-3 
    Partial discharge Pc ≤ 5 
    Weight of moving parts Kg
    Weight of vacuum interrupter embedded poles Kg

    Mechanical data required for the matched vacuum switchgear

    1600 1250
    Clearance between open contacts mm 11±1 
    Average opening speed m/s 1.2±0.2 
    Average closing speed m/s 0.8±0.2 
    Rated contact pressure N 4500±200 
    Contact bouncing duration at closing operation ms ≤ 2 
    Out of simultaneity of contact closing and opening ms ≤ 2 
    Bouncing back amplitude of opening contact mm ≤ 2 

    Information for fixed type vacuum breaker tube

    From the development of insulations on breakers,it can be divided into three generations:air, composite and solid insulation and so-called solid insulation means fixed type vacuum breaker tube,which might represent the great advancement of insulation on vacuum breakers.Since the epoxy can be used to replace the insulating and mechanical supports,the breakers therefore become compact and simple and are able to service under humid and dusty conditions.When the external insulations of miniature chambers in air condition fail to fulfill the requests of specifications,fixed type vacuum breaker tubes are therefore introduced and now become one of the most applicable ways in the field of medium voltage breakers either at home or abroad.

Strictly add active silica powder to epoxy resin to strengthen the insulator’s work performance

Strict and formulated production & process to ensure maximum of mechanical properties

drawing Fixed type vacuum breaker tube 12kV EEP-12/1600-40 EEP-12/1250-40

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