Electrical safety is the primary concern in any environment. If not handled properly, it may cause a series of risks such as electric shock, burns, and even fire.
In photovoltaic systems, energy storage power stations, and industrial and commercial power distribution scenarios, RCCB (residual current circuit breaker) as a "safety guard" undertakes the core functions of overload, short circuit and leakage protection. However, different types of RCCBs have significant differences in DC component detection capabilities, applicable scenarios, and protection standards.
This article will deeply analyze the core differences between Type A and Type B RCCBs, and focus on the technical advantages and typical application scenarios of Feiou New Energy Type B RCCB.
1. The core differences between Type A and Type B RCCBs
DC component detection capability
Type A RCCB: Mainly used to detect AC residual current, suitable for general household and industrial power environments.
Type B RCCB: In addition to being able to detect AC residual current, it can also detect pulsating DC residual current, suitable for photovoltaic power generation, charging piles and other occasions.
Type A RCCB: Suitable for general electrical equipment and line protection, not suitable for equipment containing DC components.
Type B RCCB: Suitable for applications that require protection against DC leakage, especially in applications using inverters, photovoltaic systems, etc.
Standards and certifications
Type A RCCB must comply with IEC 61008/61009 standards, partially support IEC 62423, and is mainly for household and similar purposes.
Type B RCCB must fully comply with IEC 62423, covering AC, DC and high-frequency residual current detection, with higher safety, and is suitable for high-risk scenarios such as industrial automation and photovoltaic energy storage.
2. Technical advantages of Feiou B-type residual current circuit breaker (FRD1-63 series) products
As a professional manufacturer in the field of safety protection devices for solar storage and charging systems, Feiou New Energy has achieved breakthroughs in the following dimensions with its B-type RCCB (FRD1-63 series):
Full-scenario leakage protection
The product has leakage fault protection functions with AC/A/F/B leakage characteristics, which are used to detect and prevent leakage faults of electrical equipment caused by insulation damage and other reasons, and avoid DC arc faults caused by leakage detection of traditional AC-type RCCB. When leakage occurs in the equipment, the power supply can be cut off in time to prevent further damage to the equipment and avoid safety accidents such as personal injury and death caused by leakage.
High sensitivity and reliability
The product has a high breaking capacity, ensuring that the power supply is cut off before an electric shock accident occurs. At the same time, it has a long electrical life of up to 4,000 times.
Modular design and ease of use
Adapted to IP65 protection level switch box, it can be placed outside the outdoor energy storage cabinet or photovoltaic combiner box, simplifying the installation process and reducing maintenance costs. The open-close indicator window is clear, which is convenient for users to quickly judge the working status.
Complete certifications
At present, the product has successfully obtained a series of authoritative certifications including the internationally accepted CB certification, the CE certification required for EU market access, and the RoHS certification for the restriction of hazardous substances in electronic products, laying a solid foundation for the market promotion and wide application of the product.
3. Typical application scenarios of Feiou Type B RCCB
Industrial automation: protect inverters, servo drives and other equipment containing DC/high-frequency components.
New energy systems: photovoltaic power stations, energy storage systems, electric vehicle charging piles and other occasions with significant DC components.
Medical facilities: operating rooms, imaging equipment (such as MRI) and other places with strict requirements for leakage protection.
Data centers/communication base stations: protect UPS, switching power supplies and other equipment containing high-frequency harmonics.
4. Conclusion
As the global energy transformation accelerates, the requirements for electrical safety of photovoltaic and energy storage systems are increasing. Countries also have relevant policies and regulations that put forward requirements for related products.
Feiou New Energy Type B RCCB has become the preferred safety solution in the fields of industrial and commercial energy storage, household photovoltaics, etc. with its full-scenario leakage protection capabilities, high sensitivity and intelligent design. In the future, Feiou will continue to drive product upgrades with technological innovation and safeguard the safe operation of the global clean energy system.
