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    33kV Vacuum Circuit Breaker

    5 out of 5 based on 4 reviews | Write a review
    $11,783.85
    33kv vacuum circuit breaker with cheap price for sale, rated current is 630A, 1000A, 2000A, 2500A. Vacuum circuit breaker uses widely, it can be a flexible unit to protect line equipment with short-circuit situation or frequent operations. 33kv vacuum circuit breaker specifications are as follow form.
    SKU: ATO-VCB-33
    *
    Delivery date: 6-12 days

    High quality 33kv vcb rated current is 630A, 1000A, 2000A, 2500A. Vacuum breaker switch can be used about 20000 times. Advantages of no pollution and long time free maintenance.

    Features:

    • Ideal contact material and shape, ensuring low current carrying value and stable contact resistance.
    • 33kV vacuum circuit breaker with with integrated design of main conductive circuit made of compound isolation material and operating mechanism.
    • VCB circuit breaker with few components and parts, compact and logical structure, assuring more reliable and safer operation.
    • Compact design enables the breaker to be installed within almost all switchgears.
    • Superior cost performance, 33kv vcb breaker is the ideal choice for engineering programs.

    33kv Indoor Vacuum Circuit Breaker Specifications: (Parameters can be customized)

    Model ATO-VCB-33
    Rated voltage 33 kV
    Maximum operating voltage 12 kV
    Rated current 630A/1000A/1250A 1250A/1600A/2000A/2500A 1250A/1600A/2000A/3150A 2000A/2500A/3150A
    Rated short circuit breaking current 20kA/25kA 31.5kA 40kA 50kA
    Rated short circuit closing current 50kA/63kA 80kA 100kA 125kA
    Rated peak withstand current 50kA/63kA 80kA 100kA 125kA
    4S Rated short-time withstand current 20kA/25kA 31.5kA 40kA 50kA
    Rated insulation level power frequency withstand voltage(rated open circuit before and later): 42 kV
    impulse withstand voltage(rated open circuit before and later): 75 kV
    Mechanical life 20000 times
    Rated closing voltage of operating mechanism (DC) 110 V, 220 V
    Rated switching voltage of operating mechanism (DC) 110 V, 220 V
    Contactor torque 11±1
    Exceed range(the compress length of contact spring) 4±0.5
    Max.bouncing duration ≤ 2
    Average opening speed ≤ 0.05
    Average closing speed ≤ 0.08
    Opening time ≤ 50
    Closing time ≤ 100
    Accumulative allowable wear thickness of dynamic and static contacts  3 mm
    Certification CE
    Warranty 12 months

    Dimensions: (Unit: mm)

    Vacuum circuit breaker inside constructionVacuum circuit breaker external construction

    Schematic Diagram:

    Vacuum circuit breaker schematic diagram

    Tips: Troubleshooting of VCB

    In the troubleshooting process, two types of problems are mainly detected, here is the solution.

    Closing Problem. In the mechanism or control circuit, if a part cannot be closed, it needs to be replaced. If there is a closing sound, but the breaker is still open, then check the alignment or go for replacement. If there is no loss of signal when closing, then realignment or replacement is required.

    Tripping Operation. If the operating mechanism or control circuit parts cannot trip, go for replacement. If there is a tripping sound, but the circuit breaker is still closed, it needs to be replaced. Similarly, replacement is the solution for a trip without tripping signal too.

    Existing reviews of 33kV Vacuum Circuit Breaker
    Very satisfied with shopping
    A very satisfying shopping, value for money, 33kV vacuum circuit breaker is much more affordable than physical stores.
    From: Daniele | Date: 18/01/2022
    Was this review helpful? Yes No (0/0)
    Best vacuum circuit breaker I have
    This 33kV vacuum circuit breaker is the best one I have. I've had it in my factory for two months and it's been running every day. I would recommend other colleagues to buy this vacuum circuit breaker.
    From: Farrah | Date: 13/07/2022
    Was this review helpful? Yes No (0/0)
    33 kV vacuum circuit breaker works very well
    This 33 kV vacuum circuit breaker works very well. First of all, there is almost no noise in operation, which I am satisfied with. My colleague was also full of praise for this vacuum circuit breaker.
    From: Drew | Date: 17/08/2022
    Was this review helpful? Yes No (0/0)
    Superb 33kV vacuum circuit breaker
    The quality of this 33kV vacuum circuit breaker is absolutely fantastic. I am satisfied with the low noise, because I can hear all kinds of noise in the factory every day. I will order more.
    From: Cboh | Date: 28/10/2022
    Was this review helpful? Yes No (0/0)
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