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Help CenterSmall DC Circuit Breaker FK6-63DC 500VDC 2P Miniature Low Voltage Circuit Breaker
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As a professional manufacturer of electrical protection components, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our FK6-63DC series Small DC Circuit Breaker. Engineered for reliability and safety in DC power distribution systems, this 2-pole miniature circuit breaker offers precise overcurrent and short-circuit protection up to 500VDC. With over a decade of experience and a commitment to stringent quality control, we provide robust solutions trusted by clients across diverse global markets. Our focus is on delivering components that enhance system integrity and operational safety for a wide range of industrial and commercial applications.
The FK6-63DC is a cornerstone of modern DC circuit protection. Its compact design belies its powerful performance, making it an ideal choice for space-constrained panels and enclosures. Key features include:
- High-Performance DC Interruption: Specifically designed for DC applications, it ensures a rapid and safe arc extinction process, critical for protecting sensitive DC equipment.
- Wide Current Range: Available in a comprehensive selection of rated currents from 0.5A to 63A, allowing for precise matching to your specific circuit requirements.
- Robust Construction: Built with high-quality, flame-retardant materials and durable mechanical components to withstand demanding environmental conditions.
- Easy Installation and Maintenance: Features a standard DIN rail mounting design and clear visual trip indicators for straightforward integration and status monitoring.
Beyond basic protection, this circuit breaker offers significant advantages for your projects:
- Enhanced System Safety: Provides reliable protection against overloads and short circuits, minimizing the risk of fire and equipment damage.
- Improved Operational Uptime: By preventing fault-related downtime, it contributes to more stable and continuous system operation.
- Cost-Effective Solution: Offers a balance of performance, durability, and value, reducing long-term maintenance and replacement costs.
- Design Flexibility: Its miniature size allows for higher density in control panels, optimizing space utilization.
Below is a summary of the primary technical specifications:
| Parameter | Specification |
|---|---|
| Model | FK6-63DC |
| Rated Operational Voltage (Ue) | 500 V DC |
| Number of Poles | 2P |
| Rated Current (In) | 0.5, 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 A |
| Rated Short-Circuit Breaking Capacity (Icn) | 10 kA |
| Tripping Characteristic | C Curve (Standard) |
| Mechanical Endurance | 20,000 operations |
| Electrical Endurance | 10,000 operations |
| Mounting | 35mm Symmetrical DIN Rail |
| Terminal Torque | 2.0 - 2.5 Nm |
| Operating Ambient Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
Jinhua Dika's manufacturing excellence is underscored by our established quality management systems and proven track record. With an annual export value ranging between US$1 Million and US$1.5 Million, we serve a vast network of clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and beyond. Our products are shipped from major ports including Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics. This FK6-63DC circuit breaker embodies our dedication to producing reliable, high-performance components that meet the rigorous demands of international markets. Choose Dika for a partner committed to quality, safety, and dependable delivery. Contact us today to discuss your specific requirements or to request samples.
Frequently Asked Questions (FAQ)
-
Q: What is the main application for this DC circuit breaker?
A: It is primarily designed for protecting DC circuits in applications such as solar photovoltaic (PV) systems, DC power supplies, battery banks, telecommunications, electric vehicle charging stations, and industrial control panels. -
Q: Can this breaker be used for AC circuits?
A: No. The FK6-63DC is specifically engineered for Direct Current (DC) applications up to 500VDC. Using a DC-rated breaker for AC circuits, or vice versa, can be unsafe and is not recommended. -
Q: How do I select the correct rated current (In) for my application?
A: The rated current should be selected based on the maximum continuous load current of the circuit it protects. It is common practice to choose a rating slightly higher than the normal operating current to avoid nuisance tripping, but it must be below the safe current-carrying capacity of the wiring. -
Q: What does the "C Curve" tripping characteristic mean?
A: The C Curve indicates a specific time-current relationship. It provides instantaneous tripping at 5 to 10 times the rated current, offering a balanced protection suitable for general purpose circuits with moderate inrush currents, like those found with small motors or transformers. -
Q: Is the product certified for use in my region?
A: Jinhua Dika operates under a comprehensive quality management framework. Specific regional certifications (e.g., UL, CE, CCC) for this model can be confirmed upon request, as availability may vary. -
Q: What is the difference between 1P and 2P DC breakers?
A: A 1P breaker interrupts one conductor (pole), while a 2P breaker interrupts both conductors in a circuit simultaneously. The 2P FK6-63DC provides complete isolation and is often required for safety in higher voltage DC systems or where full circuit disconnection is needed. -
Q: Can the breaker be reset after it trips?
A: Yes. This is a manually operated, resettable thermal-magnetic circuit breaker. Once the fault condition is cleared, you can reset the operating lever to the "ON" position to restore power. -
Q: Do you offer custom branding or packaging?
A: Customization options such as private labeling or specific packaging quantities are typically available for larger order volumes. Please inquire with our sales team for detailed information.
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