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Home > Electrical & Electronics > Power Supply & Distribution > Switchgear > ZW32-12F Outdoor Vacuum Circuit Breaker for Power Distribution System and Rural Electrification Projects

ZW32-12F Outdoor Vacuum Circuit Breaker for Power Distribution System and Rural Electrification Projects

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Product Spotlights

ZW32-12F is a 12kV outdoor vacuum circuit breaker designed for reliable power distribution and rural electrification. Featuring a maintenance-free vacuum interrupter, robust weatherproof construction, and a spring-operated mechanism, it ensures safe switching, long service life, and minimal operational costs. Ideal for utilities and projects requiring durable, high-performance overhead line protection.

US$ 1550 ≥1 Unit

Key Specifications

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Model:

ZW32-12F

Rated Voltage:

12kV

Rated Current:

630A, 1250A (customizable)

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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Model ZW32-12F

Rated Voltage 12kV

Rated Current 630A, 1250A (customizable)

Breaking Capacity 20kA, 25kA

Insulation Medium Vacuum

Installation Type Outdoor, Pole-mounted

Operation Mechanism Spring-operated

Control Power Supply AC/DC 110V/220V (optional)

Standards Compliance GB, IEC, ANSI standards (as per configuration)

Application Power Distribution Systems, Rural Electrification Projects

As a dedicated manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. proudly presents the ZW32-12F Outdoor Vacuum Circuit Breaker. Engineered for reliability and performance in demanding environments, this circuit breaker is a cornerstone component for modern power distribution systems and rural electrification initiatives. Our commitment to stringent manufacturing standards ensures that the ZW32-12F delivers safe, efficient, and durable circuit interruption, helping utilities and project developers enhance grid stability and expand electrical access. With over a decade of experience serving global markets from North America to Southeast Asia and Africa, we understand the critical need for robust switching equipment that performs consistently under varied climatic and operational conditions.

The ZW32-12F is designed to meet the specific challenges of outdoor installation, particularly in rural and remote areas. Its core value lies in providing a maintenance-free, long-life solution for overhead line protection, fault isolation, and safe switching operations.

Key Features & Technical Advantages:

Advanced Vacuum Interruption: Utilizes a sealed vacuum interrupter as the arc-quenching medium, ensuring superior dielectric strength, minimal contact wear, and a long electrical life. This technology eliminates the need for SF6 gas, making it an environmentally preferable choice.
Robust Outdoor Construction: The enclosure is designed with weather-resistant materials and coatings to withstand harsh environmental conditions including UV radiation, rain, dust, and wide temperature fluctuations (-40°C to +55°C).
Spring-operated Mechanism: Features a reliable, motor-charged spring operating mechanism. This design provides consistent opening and closing speeds, independent of human operation force, ensuring precise and reliable switching.
Integrated Protection & Control: Can be equipped with optional microprocessor-based protection relays (available upon request) for overcurrent, earth fault, and other protection functions, enabling seamless integration into automated distribution networks.
Easy Installation & Maintenance: Its compact, pole-mounted design simplifies installation on existing utility poles. The sealed vacuum interrupter and lubrication-for-life mechanism significantly reduce the need for routine maintenance.
High Breaking Capacity: Capable of interrupting high fault currents safely, protecting downstream equipment and minimizing outage areas during network faults.

Technical Specifications:

Parameter	Specification
Rated Voltage (Ur)	12 kV
Rated Frequency	50Hz / 60Hz
Rated Normal Current (Ir)	630A, 1250A (Common), others customizable
Rated Short-Time Withstand Current (Ik)	20 kA / 25 kA for 3s
Rated Short-Circuit Breaking Current (Isc)	20 kA / 25 kA
Dielectric Strength (Power Frequency)	42 kV / 1 min
Impulse Withstand Voltage (Lightning)	75 kV
Mechanical Life	≥10,000 operations
Control Voltage	AC/DC 110V, 220V (optional)

Benefits for Your Project:

Enhanced Grid Reliability: Rapid fault clearance minimizes disruption duration and improves overall system availability.
Cost-Effective Operation: Low maintenance requirements and long service life translate to reduced total cost of ownership.
Project Flexibility: Suitable for both new grid construction and modernization of existing distribution lines, especially in rural electrification projects.
Safety Assurance: Provides reliable isolation, protecting personnel and equipment from electrical hazards.
Environmental Compliance: The vacuum technology avoids greenhouse gas emissions associated with other arc-quenching mediums.

Backed by Jinhua Dika's robust manufacturing framework, which includes adherence to recognized management systems, the ZW32-12F represents a product you can trust. Our annual export volume of US$1-1.5 million to diverse regions including North America, Eastern Europe, Africa, and Southeast Asia is a testament to the global acceptance and reliability of our electrical solutions. We ship from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics. For your next power distribution or rural electrification project, choose a partner committed to quality and performance. Contact us today to discuss your specific requirements, request detailed specifications, or place an order for the reliable ZW32-12F Outdoor Vacuum Circuit Breaker.

Frequently Asked Questions (FAQ)

What is the primary application of the ZW32-12F circuit breaker?
This breaker is primarily designed for overhead line protection and switching in 12kV power distribution networks. It is widely used by utilities and in projects aimed at rural electrification, where reliable outdoor switching equipment is needed.
How does a vacuum circuit breaker differ from other types?
Unlike SF6 or oil circuit breakers, vacuum breakers use a high-vacuum environment inside a sealed interrupter to extinguish the arc. This results in minimal maintenance, no gas handling, faster arc extinction, and a longer operational lifespan.
Can this breaker be used in areas with extreme weather?
Yes. The ZW32-12F is engineered for outdoor use with an IP54 or higher enclosure rating, making it resistant to dust and water ingress. It is tested to operate reliably across a wide temperature range, suitable for various climatic zones.
Is remote control and monitoring possible?
Yes, it can be optionally equipped with motor-operated mechanisms and compatible protection/control units that support remote operation via SCADA systems, which is valuable for automated distribution networks.
What are the standard and optional current ratings?
Standard ratings often include 630A and 1250A. However, as a manufacturer, we can customize the rated current and breaking capacity to meet specific project needs upon request.
What kind of maintenance is required?
The vacuum interrupter is maintenance-free. Periodic inspection of mechanical components, cleaning of external surfaces, and checking of control circuit connections are recommended, but the overall maintenance schedule is significantly reduced compared to other technologies.
Does it come with any protection functions?
The basic unit is a circuit breaker. Comprehensive protection functions like overcurrent and earth fault protection are typically provided by an external or integrated microprocessor-based relay, which can be supplied as part of a packaged solution.
What standards does this product comply with?
The design and manufacturing generally conform to international standards such as IEC and ANSI, as well as national standards like GB (China). The specific standards met can be confirmed based on the ordered configuration and destination market requirements.