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Home > Electrical & Electronics > Power Supply & Distribution > Switchgear > 12kV 630A ZW32-12F Outdoor Pole Mounted Vacuum Circuit Breaker With 20kA Short Circuit Breaking Capacity

12kV 630A ZW32-12F Outdoor Pole Mounted Vacuum Circuit Breaker With 20kA Short Circuit Breaking Capacity

12kV 630A ZW32-12F Outdoor Pole Mounted Vacuum Circuit Breaker With 20kA Short Circuit Breaking Capacity thumbnail-2

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12kV 630A ZW32-12F Outdoor Pole Mounted Vacuum Circuit Breaker With 20kA Short Circuit Breaking Capacity photo-2

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Product Spotlights

The ZW32-12F is a 12kV, 630A outdoor pole-mounted vacuum circuit breaker with a 20kA breaking capacity. It offers reliable overhead line protection using maintenance-free vacuum technology, a durable spring mechanism, and flexible control options. Designed for harsh environments, it enhances grid stability, reduces long-term costs, and supports sustainable operations.

US$ 1550 ≥1 Unit

Key Specifications

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Rated Voltage:

12kV

Rated Current:

630A

Short Circuit Breaking Capacity:

20kA

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Rated Voltage 12kV

Rated Current 630A

Short Circuit Breaking Capacity 20kA

Installation Type Outdoor Pole Mounted

Product Model ZW32-12F

Interrupter Technology Vacuum

Operating Mechanism Spring Operating Mechanism

Control Power Supply AC/DC Optional

Insulation Level Standard Outdoor Grade

Application Distribution Networks, Substations

As a specialized manufacturer, Jinhua Dika Electrical Equipment Co., Ltd. proudly presents the 12kV 630A ZW32-12F Outdoor Pole Mounted Vacuum Circuit Breaker. Designed for robust performance in demanding environments, this breaker combines advanced vacuum interrupting technology with a reliable pole-mounted design to ensure safe and efficient power distribution. With over a decade of experience serving global markets from North America to Southeast Asia, our commitment to quality, backed by a comprehensive management system, translates into products that offer exceptional reliability and value for utilities, industrial complexes, and infrastructure projects worldwide.

This circuit breaker is engineered to be a cornerstone of modern electrical networks. Its core value lies in providing a high-performance, maintenance-friendly, and cost-effective solution for overhead line protection and control. The integration of a vacuum interrupter ensures a clean, fast, and reliable breaking action, significantly enhancing system safety and longevity compared to traditional alternatives.

Detailed Product Features & Technical Specifications:

Advanced Vacuum Interrupter: The heart of the breaker utilizes a sealed vacuum chamber for arc quenching. This technology offers superior dielectric strength, minimal contact erosion, and virtually no maintenance needs over its operational life, leading to reduced downtime and operational costs.
Robust Pole-Mounted Design: Specifically constructed for outdoor installation on utility poles or structures. The housing is designed to withstand harsh environmental conditions including rain, dust, UV exposure, and temperature fluctuations, ensuring consistent performance.
High Breaking Capacity: A rated short-circuit breaking capacity of 20kA provides strong protection for distribution lines, capable of safely interrupting fault currents and preventing damage to downstream equipment.
Spring Operating Mechanism: Features a stored-energy spring mechanism for reliable opening and closing operations. This mechanism ensures consistent switching speed and force, independent of manual operator influence, enhancing operational safety and precision.
Flexible Control Options: The breaker can be configured with various control schemes. Local manual operation is standard, with options for remote electrical control via AC or DC power supplies, adaptable to different automation requirements in the grid.
Enhanced Safety & Reliability: The design incorporates multiple safety features. The vacuum interrupter is housed in a sealed unit, preventing external contamination. The overall insulation level is suitable for 12kV systems, and the mechanical parts are designed for durability and low failure rates.

Key Technical Parameters:

Parameter	Specification
Rated Voltage (Ur)	12 kV
Rated Current (Ir)	630 A
Rated Short-Circuit Breaking Current (Isc)	20 kA
Rated Frequency	50 / 60 Hz
Mechanical Life	≥ 10,000 operations
Control Voltage	AC/DC, customizable
Operating Ambient Temperature	-25°C to +55°C

Benefits for Our Clients:

Improved Grid Stability: Fast and reliable fault interruption minimizes the duration and impact of outages, contributing to a more stable and resilient power distribution network.
Reduced Maintenance Burden: The vacuum interrupter requires no periodic maintenance of the arc-quenching medium, unlike oil or SF6 breakers. This translates to lower long-term operational expenses and less manpower requirement.
Environmental Compatibility: Vacuum technology is clean, using no oil or greenhouse gases (SF6), aligning with modern environmental regulations and sustainability goals for utility companies.
Space-Efficient Installation: The pole-mounted design eliminates the need for dedicated substation buildings or enclosures in many cases, saving space and reducing installation complexity and cost.
Long Service Life & High ROI: Built with durable materials and a robust mechanism, the breaker offers a long operational lifespan, providing a high return on investment through years of reliable service.

Trust & Quality Assurance:

Jinhua Dika Electrical Equipment operates with a firm commitment to quality and reliability. Our annual export value reflects our growing presence in international markets, including North America, Eastern Europe, Southeast Asia, and Africa. Supported by a dedicated team of 11-50 professionals, we leverage a structured quality management approach to ensure every ZW32-12F breaker meets stringent performance criteria. Our products are shipped from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, facilitating smooth logistics for our global partners. When you choose our outdoor vacuum circuit breaker, you are selecting a product backed by manufacturing expertise and a focus on delivering dependable electrical protection solutions.

Frequently Asked Questions (FAQ):

Q: What is the primary advantage of a vacuum circuit breaker over other types?
A: Vacuum circuit breakers offer superior arc quenching in a sealed environment, resulting in minimal maintenance, no risk of medium leakage (like oil or gas), and a longer contact life, making them highly reliable and cost-effective over time.
Q: Is this breaker suitable for both 50Hz and 60Hz power systems?
A: Yes, the ZW32-12F model is designed to operate effectively on both 50Hz and 60Hz distribution networks, making it versatile for international applications.
Q: Can the breaker be operated remotely?
A: Yes, remote electrical operation is an available option. The breaker can be configured with control coils for AC or DC supply, allowing integration into automated SCADA or remote control systems.
Q: What is the expected mechanical life of the operating mechanism?
A: The spring operating mechanism is designed for a mechanical life of at least 10,000 operations, ensuring long-term reliability for frequent switching or fault scenarios.
Q: How does the pole-mounted installation work?
A: The breaker comes with a mounting bracket designed for secure attachment to standard utility poles or similar steel structures. Installation guidelines and hardware are provided.
Q: What environmental conditions can this outdoor breaker withstand?
A: It is built to operate in an ambient temperature range from -25°C to +55°C and is constructed with materials and seals to resist moisture, dust, and other typical outdoor elements.
Q: Are there different control voltage options available?
A: Absolutely. The control power supply (for electrical operation) can be customized to match your system requirements, commonly available for AC 110/220V or DC 24/48/110V.
Q: What kind of testing is performed on these breakers before shipment?
A: Each unit undergoes rigorous factory tests, including dielectric tests, mechanical operation tests, and timing tests, to verify its rated performance and reliability before delivery.