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RS
RS (Residual Current Circuit Breaker with Overcurrent Protection, also known as RCBO or RCD/MCB combo) are compact protective devices that combine earth leakage detection and overcurrent protection in a single unit. These devices are rated for currents from 6A to 63A, with breaking capacities up to 10kA, and are available in 1P+N, 2P, 3P+N, and ...
RS (Residual Current Circuit Breaker with Overcurrent Protection, also known as RCBO or RCD/MCB combo) are compact protective devices that combine earth leakage detection and overcurrent protection in a single unit. These devices are rated for currents from 6A to 63A, with breaking capacities up to 10kA, and are available in 1P+N, 2P, 3P+N, and 4P configurations. They operate at voltages up to 415V AC, with sensitivity ratings of 30mA, 100mA, or 300mA for earth leakage protection. The thermal-magnetic trip mechanism ensures precise coordination between overload and short-circuit protection, while the residual current detection coil provides fast disconnection in case of ground faults. These units are designed for DIN rail mounting in standard distribution boards.
RS units are primarily installed in residential, commercial, and light industrial electrical panels where space is limited and combined protection is required. They are ideal for circuits supplying sockets, lighting, and small appliances in bathrooms, kitchens, and outdoor installations where earth leakage protection is mandatory. In industrial environments, they protect control circuits, small motors, and auxiliary equipment. These devices are also used in temporary power distribution systems, construction sites, and agricultural installations where both overcurrent and residual current protection are needed in a single module.
The main subcategories include RS with 30mA sensitivity for personal protection, 100mA for fire protection, and 300mA for equipment protection. Key article codes follow the pattern RS-6/30/1P+N (6A, 30mA, 1P+N), RS-16/30/2P (16A, 30mA, 2P), RS-25/100/4P (25A, 100mA, 4P), and RS-40/300/3P+N (40A, 300mA, 3P+N). The code structure typically indicates: RS-[rated current in A]/[residual sensitivity in mA]/[number of poles]. For example, RS-32/30/2P represents a 32A, 30mA, 2-pole unit. Other variants include RS with time delay (S-type) for selectivity, and RS with higher breaking capacity (10kA or 15kA) for industrial applications.
Electric Automation Network offers RS units from leading global manufacturers with up to 65% discount off list prices. Our engineering team provides technical support for selection, coordination, and installation. We maintain real-time stock and pricing, with express worldwide shipping available. Each product includes detailed technical documentation, wiring diagrams, and compliance certificates. Contact our specialists for assistance with your specific application requirements.
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