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RSD
RSD stands for Residual Current Devices, commonly known as RCDs, residual current circuit breakers, or ground fault circuit interrupters (GFCIs) in different regions. These devices are designed to detect leakage currents to earth and disconnect the circuit automatically, protecting against electric shock and fire hazards. RSDs are characterized ...
RSD stands for Residual Current Devices, commonly known as RCDs, residual current circuit breakers, or ground fault circuit interrupters (GFCIs) in different regions. These devices are designed to detect leakage currents to earth and disconnect the circuit automatically, protecting against electric shock and fire hazards. RSDs are characterized by their rated residual operating current (IΔn), typically 30 mA for personal protection, and rated current (In) ranging from 16 A to 125 A. They come in 2P and 4P configurations, with types AC, A, F, and B for different fault current waveforms. The devices are available for DIN rail mounting in distribution boards, with rated voltages up to 400 V AC and short-circuit withstand capacities up to 10 kA. Accessories include auxiliary contacts and shunt trips for remote signaling and control.
RSDs are essential in residential, commercial, and industrial electrical installations. They are installed in main distribution boards, sub-distribution panels, and final circuits to provide protection against indirect contact and fire risks. Common applications include socket-outlet circuits, lighting circuits, and equipment requiring enhanced safety, such as in bathrooms, kitchens, and outdoor areas. In industrial settings, RSDs protect machinery and control panels, especially in environments with high moisture or conductive dust. They are also used in renewable energy systems, such as photovoltaic installations, to ensure safe operation and compliance with local electrical codes.
Key subcategories include RCCBs (Residual Current Circuit Breakers) and RCBOs (Residual Current Breakers with Overcurrent Protection). Main article codes often follow a pattern like RSD-2P-40A-30mA or RCCB-4P-63A-300mA, indicating poles, rated current, and residual current. For example, the RSD-2P-40A-30mA is a two-pole device with 40 A rated current and 30 mA sensitivity. Other variants include RSD-4P-100A-300mA for main distribution and RSD-2P-25A-30mA for final circuits. These codes help identify the specific protection requirements for each application.
At Electric Automation Network, we offer RSDs 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, with express delivery options available for urgent orders. Our team of specialized engineers offers personalized technical support to help you select the right RSD for your installation, including guidance on type selection, coordination, and compliance with international standards. Documentation and datasheets are available for each product to facilitate your design and procurement process.
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