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RSP
RSP stands for Residual Current Circuit Breaker with Overcurrent Protection, commonly known as RCBOs in many regions. These compact devices combine earth leakage protection and overcurrent protection in a single unit, typically available in 1P+N, 2P, 3P, and 4P configurations. They are designed for DIN rail mounting in distribution boards, with ...
RSP stands for Residual Current Circuit Breaker with Overcurrent Protection, commonly known as RCBOs in many regions. These compact devices combine earth leakage protection and overcurrent protection in a single unit, typically available in 1P+N, 2P, 3P, and 4P configurations. They are designed for DIN rail mounting in distribution boards, with rated currents from 6A to 63A and breaking capacities up to 10kA. The residual current sensitivity ranges from 10mA to 300mA, making them suitable for both personal protection and fire prevention. In the UK and Australia, they are often called RCBOs, while in North America they are referred to as GFCI breakers or combination arc fault breakers. These devices operate at frequencies of 50/60Hz and comply with international standards such as IEC 61009 and UL 1053.
RSPs are primarily installed in electrical distribution panels for residential, commercial, and industrial applications. They are essential in circuits requiring both overload and earth fault protection, such as socket outlets, lighting circuits, and power distribution in wet areas like bathrooms and kitchens. In industrial settings, they protect motor control centers and automation panels where sensitive equipment requires reliable isolation. They are also used in renewable energy systems, such as solar inverters and EV charging stations, to ensure safety against leakage currents. Their compact design saves space in crowded cabinets, making them ideal for retrofitting older installations.
Key subcategories include fixed RSPs, adjustable RSPs, and time-delayed RSPs. Common article codes follow patterns like RSP-2P-40A-30mA or RSP-4P-63A-300mA, where the number of poles, rated current, and sensitivity are specified. For example, the RSP-1P+N-32A-30mA is a popular choice for single-phase residential circuits, while the RSP-3P-63A-100mA is used in three-phase industrial loads. Other variants include RSPs with auxiliary contacts for remote monitoring and RSPs with selective (S-type) characteristics for coordination in cascaded systems. These codes are standardized across manufacturers, allowing easy cross-referencing.
At Electric Automation Network, we offer RSPs at competitive prices with up to 65% discount compared to market rates. Our real-time pricing system ensures you get the best deal instantly. We provide fast worldwide shipping via express couriers, with tracking available for all orders. Our team of specialized engineers offers personalized technical support to help you select the right RSP for your application, including guidance on coordination curves and installation requirements. Each product includes detailed technical documentation, datasheets, and wiring diagrams. Whether you need a single unit for a small project or bulk quantities for large installations, we ensure reliable supply and expert advice.
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