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RID
RID - Residual Current Circuit Breakers with Overcurrent Protection (RCBOs)
Block 1: Technical Introduction
RID, or Residual Current Devices with integral overcurrent protection, are compact protection devices that combine the functions of a residual current circuit breaker (RCCB) and a miniature circuit breaker (MCB) in a single unit. These devic...
RID - Residual Current Circuit Breakers with Overcurrent Protection (RCBOs)
Block 1: Technical Introduction
RID, or Residual Current Devices with integral overcurrent protection, are compact protection devices that combine the functions of a residual current circuit breaker (RCCB) and a miniature circuit breaker (MCB) in a single unit. These devices, commonly referred to as RCBOs in international standards, provide both earth leakage protection and protection against overloads and short circuits. They are available in various pole configurations, including 1P+N, 2P, 3P, and 4P, with rated currents typically ranging from 6A to 63A and breaking capacities up to 10kA or higher. The residual current sensitivity is usually 30mA for personal protection, with options like 100mA, 300mA, or 500mA for fire protection or selective applications. Rated voltages cover 230V AC for single-phase and 400V AC for three-phase systems. These devices are designed for DIN rail mounting in distribution boards and are available in both electromechanical and electronic versions, with type A, AC, F, or B characteristics depending on the fault current waveform.
Block 2: Applications and Sectors
RID devices are essential in modern electrical installations where space is limited and comprehensive protection is required. They are widely used in residential, commercial, and industrial distribution boards, particularly in circuits supplying socket outlets, lighting, and small appliances. In industrial automation, they protect control panels, PLCs, and motor control centers from earth faults and overcurrents. They are also common in healthcare facilities, data centers, and renewable energy systems like photovoltaic installations, where reliable protection against leakage currents is critical. Their compact design makes them ideal for retrofit projects and new installations where panel space is at a premium.
Block 3: Subcategories and Main Articles
The main subcategories within RID include fixed sensitivity RCBOs, adjustable sensitivity types, and selective (time-delayed) versions for discrimination. Key article codes often follow a pattern like RID-1P+N-6A-30mA or RID-4P-63A-300mA, where the code indicates the number of poles, rated current, and residual sensitivity. For example, a common code might be RID-2P-16A-30mA for a single-phase circuit. Other variations include RID-4P-25A-100mA for three-phase applications. These codes are standardized across manufacturers, but specific brands may use proprietary numbering systems.
Block 4: Business Benefits and Support
At Electric Automation Network, we offer a comprehensive range of RID devices at competitive prices with up to 65% discount compared to market rates. Our real-time pricing ensures transparency, and our express worldwide shipping guarantees fast delivery to any location. Our team of specialized electrical engineers provides personalized technical support, helping you select the correct device for your application, including guidance on type selection (A, AC, F, B) and coordination with upstream protection. We also provide detailed technical documentation for each article, including wiring diagrams and characteristic curves.
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