Residual Current Circuit Breaker (RCCB) Manufacturer
VIOX Electric specializes in manufacturing Residual Current Circuit Breakers (RCCBs), essential for preventing electric shocks and fires by detecting leakage currents. With over a decade of experience, VIOX Electric is committed to delivering innovative, high-quality electrical solutions for various sectors, including residential, commercial, and industrial applications.
Certified By
VIOX Residual Current Circuit Breaker (RCCB)
A Brief Self-Nomination: Why Choose VIOX Electric?
VIOX Electric operates ISO 9001:2025-certified facilities where every RCCB undergoes 17-stage quality validation, including high-voltage arc testing and mechanical endurance cycles exceeding 20,000 operations.
- Industry-Leading Testing: Every VIOX RCCB undergoes rigorous 100% testing against international safety standards
- Superior Quality Materials: Premium-grade components ensure longer lifespan and reliable performance
- Engineering Innovation: Our R&D team continually enhances RCCB technology for improved protection
- Global Certification: IEC, CE, UL, and regional safety certifications across our entire RCCB range
- Comprehensive Support: From selection guidance to installation training and after-sales service
VIOX RCCB Installation Guide
Installation of RCCB is straightforward, requiring only a DIN rail (35mm), screwdriver, and appropriate copper cables. The process involves three key steps:
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For optimal performance, ensure proper torque application and use the recommended cable sizes. This simple installation process, combined with VIOX's precision engineering, guarantees reliable operation in various electrical control applications.
Get Your Free Sample!
We provide samples for free, you just need to tell us what you need
More Than Just a RCCB Manufacturer
At VIOX, we go beyond manufacturing Residual Current Circuit Breakers (RCCBs) by offering a suite of value-added services tailored to meet your project needs. Our commitment to excellence ensures that every customer receives personalized attention, expert guidance, and seamless support throughout their journey with us.
Service Consultation
Whether your RCCB requirements are straightforward or complex, our team provides expert advice and technical consultation. For more intricate projects, we offer in-depth engineering support to ensure optimal product selection and application, guaranteeing safety and efficiency in your electrical systems.
Product Recommendations
Unsure which RCCB suits your system? Our specialists provide free, customized recommendations based on your specific operational and environmental requirements, ensuring you get the perfect fit for your electrical protection needs.
Logistics Support
If you lack a reliable freight forwarder, we can arrange transportation from our factory to your project site at no extra cost. Our logistics team ensures timely and secure delivery to keep your project on schedule, minimizing downtime and delays.
Installation Support
Need help with installation? Our technical team is available to answer your questions or provide hands-on support. For larger projects, we can even dispatch an engineer to your site for on-the-ground assistance, ensuring your RCCBs are installed correctly and function seamlessly within your electrical network.
Frequently Asked Questions
We have compiled some common questions from our clients. If your question isn’t included here, our customer service is always available to help. We’d love to talk with you.
How Can I Get a Quote for the RCCB
To get a quote for our RCCB, contact our customer service team. We are available 24/7. Just provide the specifics of your order like the type, size, and quantity. We’ll guide you through the entire ordering process.
What is Your MOQ for the Order?
We have a low MOQ or minimum order quantity. You can order as little as one unit, and we will deliver according to your specifications.
What Is the Turnaround Time for My Order?
The standard turnaround time for our RCCB is 7 to 10 business days. Delivery time may extend by up to 15 business days due to transit. For custom or bulk orders, we can discuss the turnaround time before finalizing your order.
Can I Get a Sample Before Placing the Order?
Yes, we provide samples for evaluation and approval. Creating samples typically takes 3 to 7 business days.
Can You Make Customized RCCB?
Yes, we offer customized RCCB. Let us know your requirements, and our expert customer service team will work with you through the design process.
What is Your Warranty for the RCCB?
We offer a 3-year warranty on all RCCB we produce. This ensures we deliver high-quality products. Every product is thoroughly tested before delivery.
KNOWLEDGE About RCCB
What is RCCB?
A Residual Current Circuit Breaker (RCCB) is a vital electrical safety device designed to protect against electric shocks and fire hazards. It functions by continuously monitoring the balance between live and neutral currents in an electrical circuit. When the RCCB detects an imbalance, indicating a current leakage to an unintended path (such as through a person’s body), it rapidly disconnects the circuit, typically within 30 milliseconds.
RCCB Evolution Timeline
The history of Residual Current Circuit Breakers (RCCBs) dates back to the mid-20th century, evolving from early efforts to protect against electrical hazards. In 1957, Dr. Gottfried Biegelmeier, an Austrian physicist, filed a patent for the first RCCB. This innovation built upon earlier work in South Africa by Henri Rubin, who developed a high-sensitivity earth leakage protection system in 1955.
Key milestones in RCCB development include:
1955: Henri Rubin creates a cold-cathode system with 250 mA sensitivity
1956: Rubin develops a prototype magnetic amplifier-type core balance system with 12.5-17.5 mA sensitivity
1957: Dr. Biegelmeier patents the first RCCB
1961: Charles Dalziel develops the Ground Fault Circuit Interrupter (GFCI) in the United States
1970s: Circuit breaker-type GFCIs become common in North America
1980s: Outlet-receptacle GFCIs gain popularity, reducing false trips
These advancements led to the widespread adoption of RCCBs, significantly enhancing electrical safety in residential, commercial, and industrial settings worldwide.
RCCB vs. RCBO vs. MCB
- RCCB: Provides protection against residual current (earth leakage) only
- MCB: Protects against overcurrent and short circuits only
- RCBO: Combines both RCCB and MCB functions in a single device
How RCCBs Work
The fundamental principle behind RCCB operation is Kirchhoff’s Current Law – in a healthy electrical circuit, the current flowing in the line conductor equals the current returning through the neutral conductor. The RCCB continuously monitors this balance:
- Detection Mechanism: A sensitive current transformer compares incoming and outgoing currents
- Imbalance Response: When a difference (residual current) exceeds the preset threshold, indicating current leakage
- Rapid Disconnection: The RCCB trips within milliseconds, disconnecting power before dangerous exposure
Key Technical Parameters
- Rated Current (In): Maximum continuous current the RCCB can carry (e.g., 16A, 25A, 40A)
- Sensitivity (IΔn): The residual current threshold that triggers disconnection (typically 10mA, 30mA, 100mA, 300mA)
- Breaking Capacity: Maximum fault current the RCCB can safely interrupt
- Tripping Time: Period between detection and disconnection (typically <30ms)
RCCB Selection Guide
When selecting the right RCCB for your home or facility, consider these key factors:
Current Rating: Choose an RCCB with a current rating that matches your circuit’s load. For most homes, 30A to 63A is sufficient, while larger installations may require higher ratings.
Sensitivity: For residential use, 30mA RCCBs are standard, offering protection against electric shocks. Higher sensitivity (100mA or 300mA) may be suitable for outdoor circuits or areas with higher leakage risk.
Type: Select AC type for basic residential applications, A type for circuits with electronic devices, or B type for systems with drives and inverters.
Number of Poles: Use single-pole RCCBs for single-phase systems and double-pole or three-pole for three-phase circuits.
Brand and Certification: Opt for RCCBs from reputable manufacturers that meet international safety standards.
Always consult with a qualified electrician to ensure the RCCB meets your specific electrical system requirements and local regulations.
RCCB Malfunction Detection
To identify when an RCCB is not working properly, follow these steps:
Use the test button: Press the test button on the RCCB monthly. If it doesn’t trip immediately, the device may be faulty.
Check for frequent tripping: If the RCCB trips repeatedly without apparent cause, it could indicate internal issues.
Observe reset behavior: An RCCB that can’t be reset or stays in the tripped position may be malfunctioning.
Monitor leakage current: Unusually high leakage current can signal a faulty RCCB, posing risks of electrical fires or shocks.
Inspect for physical damage: Look for signs of wear, burning, or damage on the RCCB itself.
If you suspect your RCCB is not working correctly, consult a qualified electrician for a thorough inspection and potential replacement to ensure continued electrical safety.
RCCB Replacement Guide
To replace an RCCB (Residual Current Circuit Breaker), follow these steps:
Turn off the main power supply to ensure safety during the replacement process.
Remove the panel cover using an insulated screwdriver to access the internal components.
Disconnect the wires from the old RCCB by loosening the terminal screws.
Unclip the old RCCB from the panel by releasing any securing clips or tabs.
Install the new RCCB by aligning it with the appropriate slots in the panel.
Reconnect the wires to the new RCCB, ensuring proper connection to the line and load terminals.
Secure the panel cover and restore power to test the new RCCB’s functionality.
Always consult a qualified electrician if you’re unsure about any step in the replacement process3. Remember to choose an RCCB with the correct specifications for your electrical system.
RCCB Maintenance Essentials
To maintain RCCBs for optimal performance and longevity, follow these key guidelines:
Conduct monthly tests using the built-in test button to verify proper operation.
Perform visual inspections for signs of wear, damage, or loose connections.
Schedule professional inspections annually, including earth fault loop impedance testing.
Keep the RCCB and surrounding area clean and free from dust or debris.
Replace RCCBs every 10-25 years, depending on manufacturer recommendations and usage conditions.
Regular maintenance not only ensures safety but also extends the life of your electrical system. If any issues are detected during testing or inspection, consult a qualified electrician immediately for assessment and potential replacement.
RCCB Application Areas
RCCBs find widespread application across various sectors, enhancing electrical safety in diverse environments:
Residential: Commonly installed in homes, particularly in high-risk areas like kitchens and bathrooms, to protect against electric shocks and prevent electrical fires.
Commercial: Used in offices, retail stores, and hotels to safeguard employees, customers, and valuable equipment from electrical faults.
Industrial: Essential in factories and industrial facilities for protecting heavy machinery and complex electrical systems.
Construction sites: Crucial for temporary electrical installations where the risk of electrical hazards is elevated.
Medical facilities: Specialized RCCBs with high sensitivity (e.g., 10mA) are used in hospitals to ensure patient safety.
Renewable energy: Type B RCCBs are employed in solar power generation systems to handle both AC and DC currents.
Electric vehicle charging stations: Type B RCCBs are increasingly used to prevent potential electrical failures in EV charging infrastructure.
The versatility of RCCBs makes them indispensable in modern electrical systems, providing a critical layer of protection against electric shocks, fires, and equipment damage across various applications.
Yueqing: RCCB Manufacturing Hub
Yueqing, a county-level city in Zhejiang Province, China, is recognized as the world’s largest manufacturing hub for Residual Current Circuit Breakers (RCCBs). Known as the “Electrical Capital of China,” this city in the Wenzhou region has gained prominence due to its extensive network of electrical component manufacturers and advanced production capabilities.
The city’s dominance in RCCB manufacturing is driven by its high concentration of specialized factories, such as VIOX Electric, which focus on producing high-quality electrical safety devices. Yueqing boasts state-of-the-art manufacturing facilities with automated production lines and strict quality control measures. Its proximity to major transportation hubs like Wenzhou, Ningbo, and Shanghai ports ensures efficient global distribution. Additionally, the industry emphasizes research and development, offering customized OEM/ODM solutions while adhering to international standards like CE, RoHS, and ISO9001 certifications. This combination of factors has cemented Yueqing’s position as a global leader in RCCB production.
Request an OEM RCCB Quote
VIOX Electric is ready to assist you with your OEM RCCB needs. We offer high-quality and cost-effective solutions.
