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Help CenterLow Voltage DC Circuit Breaker FK6-63DC With Mill Test Report and Warranty
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As a professional manufacturer with over a decade of experience in electrical protection devices, Jinhua Dika Electrical Equipment Co., Ltd. is proud to present the FK6-63DC Low Voltage DC Circuit Breaker. Engineered for reliability and safety in direct current applications, this breaker is a cornerstone component for modern DC power systems. We understand the critical need for stable and protected power distribution in industries ranging from telecommunications to renewable energy. Our commitment to quality, evidenced by our comprehensive ISO management systems and a consistent annual export value, is embedded into every FK6-63DC unit we produce. This product is designed not just to meet specifications but to provide peace of mind, backed by a Mill Test Report for traceability and a solid warranty for your assurance.
The FK6-63DC is specifically designed to interrupt fault currents and provide reliable overload protection in DC circuits. Its robust construction ensures consistent performance in demanding environments. Let's delve into the key features and technical specifications that make this breaker a preferred choice for engineers and system integrators worldwide.
- Precise Protection: Features a highly accurate thermal-magnetic trip mechanism. The thermal element provides protection against sustained overloads, while the instantaneous magnetic trip responds swiftly to short-circuit faults, minimizing potential damage to connected equipment.
- Robust Construction: Built with high-quality, flame-retardant materials for the housing and durable, silver-plated contacts. This ensures excellent arc quenching capability, long electrical life, and resistance to environmental stressors like humidity and temperature fluctuations.
- Versatile Configuration: Available in multiple pole configurations (1P, 2P, 3P, 4P) to suit various DC system wiring requirements, including positive, negative, and bipolar protection schemes. Custom configurations are available upon request to match specific project needs.
- Easy Installation & Maintenance: Designed for quick and secure DIN rail mounting (35mm standard). Clear, legible markings for current rating and status indicators facilitate easy installation, inspection, and operation. The compact design saves valuable panel space.
- Enhanced Safety: The breaker housing provides a high degree of protection against accidental contact with live parts. The reliable tripping mechanism ensures the circuit is disconnected promptly under fault conditions, safeguarding both personnel and downstream assets.
- Wide Application Scope: Ideal for use in solar photovoltaic (PV) systems, battery energy storage systems (BESS), DC power distribution in telecom base stations, electric vehicle (EV) charging infrastructure, marine and railway DC systems, and industrial control panels.
Below is a summary of the primary technical specifications for the FK6-63DC series. Please note that specific parameters for breaking capacity (Icu/Ics) and voltage ratings may vary by model and configuration; detailed datasheets are available upon request.
| Parameter | Specification |
|---|---|
| Product Model | FK6-63DC |
| Rated Operational Voltage (Ue) | DC 2P: 125V/250V; DC 1P/3P/4P: Customizable |
| Rated Current (In) | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Number of Poles | 1P, 2P, 3P, 4P |
| Tripping Characteristic | C Curve (Standard), D Curve (Optional) |
| Mounting | 35mm Symmetrical DIN Rail |
| Electrical Life | ≥ 10,000 cycles (at rated current) |
| Mechanical Life | ≥ 20,000 cycles |
| Terminal Connection | Screw Clamp, suitable for copper conductors |
| Operating Temperature | -25°C to +70°C |
Choosing the FK6-63DC brings tangible benefits to your projects. You gain a cost-effective protection solution without compromising on safety or durability. Its high compatibility with standard DIN rail panels simplifies system design and integration. The provision of a Mill Test Report with each shipment offers full material traceability and quality verification, a critical factor for professional B2B procurement and project compliance. Furthermore, its proven reliability reduces maintenance needs and downtime, contributing to lower total cost of ownership over the system's lifespan.
Our operational strength is your supply chain's reliability. With an annual export value consistently between US$1-1.5 Million and a presence in major global markets from North America and Western Europe to Southeast Asia and Africa, Jinhua Dika has established a reputation for dependable delivery. We ship efficiently from key ports like Shanghai, Tianjin, Guangzhou, and Ningbo. Our adherence to internationally recognized management standards, including ISO 9001 for quality and ISO 14000 for environmental management, underscores our commitment to consistent, high-standard manufacturing processes. When you select the FK6-63DC Low Voltage DC Circuit Breaker, you are not just buying a component; you are partnering with a dedicated manufacturer that supports your success with quality products, verifiable documentation, and a commitment to customer satisfaction. Contact us today to discuss your requirements, request samples, or place an order.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between this DC breaker and a standard AC circuit breaker?
A: DC circuit breakers, like the FK6-63DC, are specifically engineered to extinguish a DC arc, which is more stable and harder to interrupt than an AC arc (which naturally crosses zero). Using an AC breaker in a DC application can be unsafe and may lead to failure to clear a fault, causing damage or fire.
Q2: Can the FK6-63DC be used for both battery charging and discharging circuit protection?
A: Yes, it is suitable for protecting circuits in both directions of current flow, making it ideal for battery systems where current can flow in or out depending on whether the battery is charging or discharging.
Q3: What does the "Mill Test Report" include, and why is it important?
A: The Mill Test Report (MTR) is a certified document from the manufacturer that provides details about the raw materials used, such as the grade of plastics and metals, along with results of mechanical and electrical tests performed on a batch. It is crucial for quality assurance, traceability, and compliance in industrial and commercial projects.
Q4: Is this breaker suitable for outdoor or harsh environments?
A: The standard FK6-63DC is designed for indoor use in electrical enclosures. For outdoor or harsh environments (high moisture, dust, corrosion), additional protective enclosures with appropriate IP ratings are required. We can advise on suitable solutions.
Q5: How do I select the correct current rating (In) for my application?
A: The breaker's rated current should be selected based on the maximum continuous current expected in the circuit, typically 125% of the load current. It must also be coordinated with the cable ampacity. Our technical team can assist with selection based on your specific load profile.
Q6: Do you offer custom labeling or specific branding on the product?
A: Yes, custom labeling, including specific logos, part numbers, or ratings, is available for large-volume orders. Please contact our sales team to discuss your customization requirements and feasibility.
Q7: What is the standard lead time for an order, and what are the payment terms?
A: Standard products are typically available from stock or with a short lead time. For large or customized orders, lead times will be confirmed upon inquiry. Standard payment terms include T/T and L/C, with specifics negotiable based on order value and history.
Q8: How does the warranty work, and what does it cover?
A: Our standard warranty covers defects in materials and workmanship under normal use for a specified period from the date of shipment. The warranty details, including duration and claim process, are provided with the commercial invoice and can be discussed prior to order confirmation.
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