vs1-12/24kv indoor high voltage vacuum circuit breaker

Product Structural features:

VS1-24 model indoor AC HV vacuum circuit breaker is a type of holistic sealed HV switchgear with small volume and compact structure. It applies to power system of rated voltage 24kV, three-phase AC 50/60Hz, and used to control and protect electric apparatus and circuit with frequent operations. This product conforms to IEC62271 & GB1984, JB3855 and DL403.

Description

VS1-12/24KV High-quality indoor high-voltage vacuum circuit breaker for switchgear

vs1-12/24kv indoor high voltage vacuum circuit breakervs1-12/24kv indoor high voltage vacuum circuit breaker

overview: indoor medium voltage Vacuum Circuit Breaker

Elevate your power system with the VS1 Indoor Medium Voltage Vacuum Circuit Breaker. Operating at a three-phase AC 50Hz frequency, this breaker is available in 6KV, 12KV, and 24KV configurations, offering versatile switch equipment for your power needs.

Key Features:

  • Integral Design: The breaker incorporates an integral design of the actuating mechanism and breaker body, providing flexibility for fixed installations or use as an individual VCB carriage with a handcart.
  • Durable Performance: With a long life expectancy, the breaker withstands frequent switching of operating and short-circuit currents without adversely affecting the vacuum.

Applications:

  1. Transformers and Distribution Substations
  2. Generator Control and Protection
  3. Capacitor Bank Control and Protection

Trust in our VS1 Indoor Medium Voltage Vacuum Circuit Breaker to enhance the reliability and efficiency of your power system.

Product Structural features:

Enhance your power system with the VS1 Type VCB, a high-voltage indoor Vacuum Circuit Breaker designed for superior performance. Its innovative design, consisting of an operating mechanism and arc-extinguish chambers in a front-back arrangement, ensures reliable and efficient operation.

Key Features:

  1. Anti-Creepage Design: The vacuum arc-extinguish chamber, fixed in a vertical cannular insulation column using APG technology, offers high anti-creepage functionality, reducing dust accumulation and ensuring resistance against external influences.
  2. Reliable Interlock Functions: Equipped with reliable interlock functions, making it suitable for frequent operations.
  3. Low Noise and Energy Consumption: Operates with low noise levels and consumes minimal energy.
  4. Simple and Robust Construction: Features a simple yet robust construction for easy maintenance and durability.
  5. High Operating Reliability: Ensures high operating reliability even in challenging environments.
  6. Mechanical Durability: With a mechanical durability of 20,000 times, providing a long-lasting solution for your power needs.

Trust in the VS1 Type VCB for a reliable, efficient, and durable solution for your high-voltage applications.

Product use environment:

  • a .Ambient air temperature: -55℃ to +40℃,The average daily temperature is not more than 45 ℃
    b .Average relative humidity: ≤95%;The average daily water vapor pressure shall not exceed 2.2kPa;The average monthly relative humidity shall not exceed 90% ;Monthly mean vapor pressure shall not exceed 1.8kPa.

  • c The altitude:≤2000m
    d The surrounding air is not visibly contaminated by dust, smoke, corrosive and flammable gases, vapors or salt mists
    e The amplitude of induced electromagnetic interference in the secondary system shall not exceed 1.6kV

    Note: products or solutions that deviate from normal operating conditions can be customized with the manufacturer.

 

  • Table 1. Technical parameters of ZN63A(VS1)-12/24kV high voltage ac vacuum circuit breaker

  • No.

    Item

    unit

    Parameter

    1

    Rated Voltage

    kV

    12

    24

    2

    Rated Frequency

    Hz

    50/60

    3

    Rated lightning impulse withstand voltage(peak)

    kV

    42

    55

    4

    Rated power frequency withstand voltage (1s)(Effective)

    kV

    75

    125

    5

    Rated short-circuit breaking current

    kA

    20、25、31.5、40

    6

    Rated current

    A

    630、1250、1600、2000、2500、3150

    7

    Rated peak withstand current

    kA

    50、63、80、100

    8

    Rated short time withstand current

    kA

    20、25、31.5、40

    9

    Rated short circuit continuous time

    s

    4

    10

    Rated short-circuit on/off current

    kA

    50、63、80、100

    11

    Percentage of the dc component of the rated short-circuit breaking current

    %

    35

    12

    Rated operation sequence

    O-0.3s-CO-180s-C
    O-180s-CO-180s-C(40kA)

    13

    Rated single/back-to-back capacitor bank breaking current

    A

    630/400

    630/400

    630/400

    800/400

    14

    Rated short-circuit current breaking

    times

    50

    50

    50

    30

    15

    Mechanical life

    times

    10000

    16

    Rated opening/closing operation voltage

    V

    AC/DC110 AC/DC220

    17

    Rated voltage of energy storage motor

    V

    AC/DC110 AC/DC220

    18

    Power frequency withstand voltage of secondary circuit

    V

    200

  • Table 2. Parameters for spring operation mechanism

    No.

    Item

    unit

    Parameter

    1

    Rated operation voltage

    Closing tripping coil

    V

    AC/DC110 AC/DC220

    Opening tripping coil

    2

    Working current

    Closing tripping coil

    A

    1.1

    Opening tripping coil

    3

    Power of energy-storage motor

    W

    70、80

    4

    Working voltage of energy-storage motor

    V

    AC/DC220

    5

    Motor energy storage time

    S

    ≤15

    6

    Aux.contact

    pair

    6NO,6 NC

    Breaking capacity

    AC/10A;DC/5A

  • Table 3.Mechanical parameters after adjust the circuit breaker

    No.

    Item

    unit

    Parameter

    1

    Contact open distance

    mm

    11±1

    2

    Contact trip

    mm

    3.5±0.5

    3

    Average opening speed

    m/s

    1.1±0.2

    4

    Average closing speed

    m/s

    0.6±0.2

    5

    Contact closing bounce time

    ms

    ≤2

    6

    At the different period of 3-phase consistency

    ms

    ≤2

    7

    Opening time (under the rated operation voltage )

    ms

    ≤50

    8

    Closing time( under the rated operation voltage)

    ms

    ≤100

    9

    Primary resistance

    Rated current

    mW

    630A

    1250A

    1600A

    2000A

    2500、3150A

    Fixed type VCB

    ≤45

    ≤40

    ≤35

    ≤30

    ≤25

    Withdrawable type VCB

    ≤50

    ≤45

    ≤40

    ≤35

    ≤30

    10

    Closing Spring energy-storage time

    s

    12

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