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Help CenterWhite Low-voltage Circuit Breaker FK6-63 Miniature Circuit Breaker DIN Rail Mount 63A
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As a dedicated manufacturer of electrical protection devices, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce the FK6-63 White Miniature Circuit Breaker. Engineered for reliability and safety in low-voltage distribution systems, this 63A circuit breaker represents our commitment to providing cost-effective, high-performance solutions for global electrical contractors, panel builders, and OEMs.
Designed for DIN rail mounting, the FK6-63 offers a compact and efficient solution for circuit protection in residential, commercial, and light industrial applications. Its crisp white housing not only provides a clean, modern aesthetic for electrical enclosures but also signifies a product built with precision and attention to detail, reflecting our rigorous manufacturing standards upheld across our operations in Jinhua, Zhejiang.
With an annual export value reflecting our growing international presence, we understand the diverse needs of markets from North America and Western Europe to Southeast Asia and Africa. The FK6-63 is developed to meet these global demands, offering a robust and versatile protective device that ensures the safety of electrical installations worldwide.
Core Features & Technical Advantages:
- Precise Overload & Short-Circuit Protection: The FK6-63 utilizes a reliable thermal-magnetic trip mechanism. The bi-metallic strip provides accurate protection against sustained overloads, while the instantaneous magnetic trip offers rapid response to high-magnitude short-circuit faults, minimizing damage to downstream wiring and equipment.
- Optimized C Trip Characteristic: Standard equipped with a "C" curve trip characteristic, making it ideal for protecting circuits with moderate inrush currents, such as those powering lighting systems, sockets, and general-purpose outlets.
- Durable Construction & Long Service Life: Built with high-quality, flame-retardant materials, the breaker is designed for endurance. It boasts a high mechanical life and electrical life, ensuring dependable operation over thousands of cycles.
- Effortless Installation & Compatibility: The 35mm DIN rail mounting design allows for quick, tool-free installation and secure fitting on standard rails. Its compact dimensions save valuable space within distribution boards and consumer units.
- Clear Visual Status Indication: Features a prominent ON/OFF toggle switch with a clear position indicator, allowing for easy manual operation and immediate visual confirmation of the circuit status.
- Wide Operational Range: Engineered to perform consistently across a broad temperature range, ensuring reliable protection in various environmental conditions encountered in different global markets.
Key Technical Specifications:
| Parameter | Specification |
| Rated Current (In) | 63 Amperes |
| Rated Voltage (Ue) | AC 230/400V |
| Rated Frequency | 50/60 Hz |
| Number of Poles | 1P, 2P, 3P, 4P (configurable) |
| Breaking Capacity (Icn) | 6 kA (at 400V AC) |
| Trip Characteristic | C Curve (Standard) |
| Mounting | 35mm Symmetrical DIN Rail |
| Electrical Life | ≥ 8000 operations |
| Operating Temperature | -25°C to +55°C |
Benefits for Your Business:
- Enhanced System Safety: Provides reliable, code-compliant protection for personnel and property by preventing electrical fires and equipment damage caused by overloads and short circuits.
- Reduced Downtime & Maintenance: The accurate tripping characteristic and robust design minimize nuisance trips and device failures, leading to more stable electrical systems and lower long-term maintenance costs.
- Streamlined Inventory & Installation: The standardized DIN rail mount and common C curve simplify procurement and speed up panel assembly, boosting productivity for installers and panel builders.
- Cost-Effective Solution: Offers a strong balance of performance, durability, and value, making it a smart choice for projects where budget and reliability are both key considerations.
- Aesthetic Integration: The white color offers a neutral and professional appearance that integrates seamlessly into modern electrical cabinets and enclosures.
Frequently Asked Questions (FAQ):
Q1: What is the primary application for this 63A miniature circuit breaker?
A: The FK6-63 is primarily used as a branch circuit protector in low-voltage distribution boards for residential buildings, commercial offices, retail spaces, and light industrial workshops. It is suitable for protecting cables and supplying power to sub-circuits with higher current demands, such as those for air conditioning units, water heaters, or small machinery clusters.
Q2: Can I get this breaker with different trip curves besides C curve?
A: While the C curve is our standard offering for its balanced protection profile, other trip curves like B (for low inrush loads) or D (for high inrush loads) may be available as a customization option. Please inquire with our sales team for specific curve availability.
Q3: Is this product suitable for both single-phase and three-phase systems?
A: Yes, absolutely. The FK6-63 is rated for use in both single-phase (230V) and three-phase (400V) systems. The choice between 1P, 2P, 3P, or 4P configurations allows you to select the appropriate number of poles for your specific phase and neutral protection requirements.
Q4: What does the "6kA" breaking capacity mean for my installation?
A: The 6kA (6,000 Ampere) breaking capacity indicates the maximum short-circuit current the breaker can safely interrupt without being damaged. This level is suitable for many applications where the prospective short-circuit current at the point of installation is within this limit, typically in downstream circuits farther from the main transformer.
Q5: How does the white color differ from other common breaker colors?
A: The white housing is primarily an aesthetic and functional choice. It provides a clean, modern look for panels and can help with visual organization in complex boards. Functionally, it is made from the same high-grade, flame-retardant thermoplastics as other colored versions, ensuring equivalent safety and performance.
Q6: Are there any specific wiring requirements or torque settings for installation?
A: For optimal performance and safety, we recommend using copper conductors with a cross-section appropriate for the 63A rating. The terminal screws should be tightened to a specified torque to ensure a secure, low-resistance connection; the exact torque value is provided in the product datasheet available upon request.
Choosing the FK6-63 White Miniature Circuit Breaker means partnering with a proven manufacturer. Jinhua Dika Electrical Equipment Co., Ltd. operates with a commitment to quality, supported by a structured management system. Our products reach a diverse range of international markets through major ports like Shanghai, Ningbo, and Guangzhou, demonstrating our logistical capability to serve global clients efficiently. With a dedicated team and a focus on electrical safety components, we provide not just a product, but a reliable solution you can integrate into your projects with confidence. Contact us today to discuss your requirements, request samples, or place an order for this dependable circuit protection device.
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