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As a leading manufacturer in the electrical equipment industry, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present our GW9-12/630A Outdoor Disconnector. Engineered for reliability in demanding environments, this disconnector is a critical component for safe isolation in 12kV power distribution networks. Our commitment to quality, backed by ISO9001 certification, ensures that every unit delivers consistent performance and durability, meeting the needs of utilities and industrial clients across global markets from North America to Southeast Asia.
This disconnector is designed to provide a visible break point for circuits, allowing for safe maintenance and isolation of electrical equipment. Its robust construction and high-quality silicone rubber insulation make it a dependable choice for outdoor applications where exposure to weather elements is a constant challenge.
Key Features and Technical Advantages:
- Superior Silicone Rubber Insulation: The housing and insulation parts are made from high-grade, weather-resistant silicone rubber. This material offers excellent hydrophobic properties, high tracking resistance, and maintains flexibility across a wide temperature range, ensuring long-term insulation integrity and resistance to UV degradation.
- Optimized for 12kV Systems: Specifically designed for medium-voltage 12kV networks, the disconnector provides reliable performance at the rated voltage and current, making it suitable for a variety of distribution and sub-station applications.
- Robust Mechanical Design: Features a simple yet sturdy operating mechanism. The manual operation is smooth and requires moderate effort, providing clear tactile feedback for the OPEN and CLOSE positions. The design ensures high mechanical strength to withstand wind loads and occasional icing.
- Enhanced Safety: Provides a clear, visible air gap when in the open position, which is a fundamental safety requirement for personnel working on de-energized lines. The insulation design minimizes the risk of flashover.
- Low Maintenance: The sealed silicone rubber insulation and corrosion-resistant metallic parts significantly reduce the need for frequent maintenance, leading to lower lifecycle costs.
- Easy Installation: Designed for straightforward pole or structure mounting. The compact and lightweight design, compared to porcelain-insulated alternatives, simplifies handling and installation procedures.
Technical Specifications:
| Parameter | Specification |
|---|---|
| Model | GW9-12 |
| Rated Voltage | 12 kV |
| Rated Current | 630 A |
| Rated Frequency | 50/60 Hz |
| Insulation Level | Lightning Impulse Withstand Voltage: 75 kV (peak) Power Frequency Withstand Voltage (1 min): 42 kV |
| Number of Poles | 3 |
| Insulation Material | High-Temperature Vulcanized (HTV) Silicone Rubber |
| Mechanical Life | ≥ 2000 operations |
| Ambient Temperature | -40°C to +40°C (Operational) |
| Installation | Pole Mounting (Horizontal or Vertical) |
Applications: This outdoor disconnector is ideally suited for:
- Overhead power distribution lines (12kV class).
- Isolation points in substations and transformer stations.
- Sectionalizing feeders for fault isolation and maintenance.
- Connection and isolation of distributed generation sources.
- Industrial plants and mining operations requiring reliable outdoor switching.
Customer Benefits:
- Improved Grid Reliability: Enables safe and quick isolation of network sections, reducing outage times during faults or maintenance.
- Reduced Operational Risk: The visible break and robust insulation enhance worker safety during line maintenance.
- Long Service Life & Cost Savings: Silicone rubber's durability in harsh weather translates to a longer asset life and reduced replacement frequency compared to traditional materials.
- Global Compatibility: The design references international standards (IEC) and is supplied to diverse markets, indicating broad applicability.
Trust in a product backed by a manufacturer with a proven track record. Jinhua Dika Electrical Equipment Co., Ltd. supports an annual export value in the range of US$1-1.5 Million, demonstrating our capacity and reliability in serving international clients. Our products reach key markets worldwide, including North America, Europe, Asia, and Africa. Our ISO9001-certified quality management system governs every stage of production, from material sourcing to final testing, ensuring you receive a disconnector built to perform. The GW9-12/630A combines advanced silicone rubber technology with rugged construction to deliver a maintenance-friendly, safe, and durable solution for your 12kV network. Contact us today to discuss your project requirements, request detailed specifications, or learn about our flexible shipping options from major Chinese ports.
Frequently Asked Questions (FAQ):
Q1: What is the primary advantage of silicone rubber insulation over porcelain?
A1: Silicone rubber offers significant benefits including lighter weight, superior resistance to vandalism and impact damage, excellent hydrophobicity (water-shedding ability) which reduces surface leakage currents, and better performance in polluted environments. It also does not shatter like porcelain.
Q2: Is this disconnector suitable for both 50Hz and 60Hz power systems?
A2: Yes, the GW9-12/630A is designed to operate effectively on both 50Hz and 60Hz systems, as indicated by its technical specifications. The rated current and voltage parameters are applicable for both standard frequencies.
Q3: What is the expected mechanical lifespan of the operating mechanism?
A3: The disconnector is tested for a minimum of 2000 mechanical operations (open-close cycles). With proper installation and normal use, it can reliably exceed this baseline in field service.
Q4: Can this disconnector be mounted in a vertical orientation?
A4: Yes, the GW9-12 model is designed for flexible installation. It can be mounted either horizontally or vertically on poles or structures, depending on the layout requirements of your distribution line.
Q5: What kind of maintenance does this disconnector require?
A5: It is designed as a low-maintenance device. Periodic visual inspections for cleanliness, checking of tightness on mounting and terminal connections, and verification of smooth operation are recommended. The silicone rubber insulation typically requires no specific maintenance.
Q6: Are the terminal connections suitable for both aluminum and copper conductors?
A6: The disconnector is equipped with terminals designed to accommodate standard overhead line conductors. Compatibility with specific conductor types and sizes (aluminum or copper) should be confirmed based on your project specifications. Appropriate lugs can be used as needed.
Q7: What standards are used in the design and testing of this product?
A7: The product is designed with reference to common international standards such as IEC and relevant national standards like GB. Specific standard certifications can be provided upon request. Our manufacturing process is ISO9001 certified.
Q8: What is the lead time and available shipping options?
A8: As a manufacturer, we offer competitive lead times based on order quantity. We have experience shipping globally from major Chinese ports including Shanghai, Tianjin, Guangzhou, and Ningbo. Detailed logistics options and timelines can be provided upon inquiry.
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