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ZW32-24 Series 24kV Outdoor High Voltage Vacuum Circuit Breaker - China Suppliers & Factory
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ZW32-24 Series Outdoor High Voltage Vacuum Circuit Breaker.jpg

ZW32-24 Series 24kV Outdoor High Voltage Vacuum Circuit Breaker - China Suppliers & Factory

The ZW32-24 Series is a cutting-edge outdoor high voltage vacuum circuit breaker designed for 24kV, 50Hz three-phase systems. Perfect for applications in urban networks, rural electrification, mining, and railways, this circuit breaker ensures reliable switching of various load currents in frequent operation environments. With a robust stainless steel shell featuring anti-corrosion treatment, silicone rubber insulated columns, and a spring mechanism, it guarantees miniaturization and maintenance-free operation. As a product of a leading China factory, it embodies intelligent capabilities while being environmentally friendly with zero pollution. This circuit breaker meets the highest standards, including GB1984-2003, DL/T402-2007, and DL/T403-2000, making it an excellent choice for suppliers seeking quality solutions in high voltage systems
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    Product Details

    ⚙️ Technical Specification
    No. Item Units Parameters
    1 Rated voltage kV 24
    2 Rated frequency Hz 50
    3 Rated current A 630 1250
    4 Rated short-circuit breaking current kA 20 25
    5 Rated peak withstand current (peak) KA 50 63
    6 Rated short-circuit closing current (peak) kA 50 63
    7 Rated short-time withstand current and duration kA/s 20/4 25/4
    8 Rated operation sequence   O-0.3s-CO-180s-CO
    9 Mechanical life Times 10000
    10 Breaking times of rated short-circuit breaking current Times 20
    11 1min power frequency withstand voltage (wet) over the ground / interphase / fracture kV 50/65
    (dry) over the ground / interphase / fracture 65/79
    Secondary loop 2
    12 Lighting impulse withstand voltage (peak) Over the ground, interphase / fracture kA 125/145
    13 Weight kg 115
    📐 Product Model
    Product Model
    📏 Dimension
    Dimension Drawing
    ❓ Frequently Asked Questions
    Q What is the rated voltage of this vacuum circuit breaker?
    The rated voltage of this vacuum circuit breaker is 24 kV, making it suitable for medium-voltage power distribution systems.
    Q What rated current options are available for this breaker?
    This vacuum circuit breaker is available in two rated current options: 630 A and 1250 A, providing flexibility for different load requirements.
    Q What is the mechanical life expectancy of this circuit breaker?
    The mechanical life of this vacuum circuit breaker is rated at 10,000 operating cycles, ensuring long-term reliability and reduced maintenance costs.
    Q What is the rated short-circuit breaking current capacity?
    The rated short-circuit breaking current is available in 20 kA and 25 kA options, with a rated short-time withstand duration of 4 seconds, ensuring safe operation under fault conditions.
    Q What is the standard operating sequence for this breaker?
    The rated operation sequence is O-0.3s-CO-180s-CO, which complies with standard IEC requirements for medium-voltage vacuum circuit breakers.
    Q What are the power frequency withstand voltage levels for this breaker?
    Under wet conditions, the 1-minute power frequency withstand voltage is 50 kV (over ground/interphase) and 65 kV (fracture). Under dry conditions, it is 65 kV (over ground/interphase) and 79 kV (fracture). The secondary loop withstand voltage is 2 kV.