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DDA200A
DDA200A series residual current circuit breakers (RCCBs) are designed for reliable protection against earth faults in low-voltage electrical installations. These devices, commonly referred to as residual current devices (RCDs) or ground fault circuit interrupters (GFCIs) in different regions, are available in 2-pole (2P) and 4-pole (4P) configur...
DDA200A series residual current circuit breakers (RCCBs) are designed for reliable protection against earth faults in low-voltage electrical installations. These devices, commonly referred to as residual current devices (RCDs) or ground fault circuit interrupters (GFCIs) in different regions, are available in 2-pole (2P) and 4-pole (4P) configurations, with rated currents typically ranging from 25A to 100A and rated residual operating currents (IΔn) of 30mA, 100mA, 300mA, or 500mA. They operate at rated voltages up to 400V AC, 50/60Hz, and offer a breaking capacity (IΔm) of up to 6kA. The DDA200A series features a compact design for DIN rail mounting, making them suitable for modular distribution boards. Key technical specifications include type AC (sinusoidal alternating residual currents) and type A (pulsating DC residual currents) sensitivity, ensuring compliance with international standards like IEC 61008.
These RCCBs are primarily installed in electrical distribution panels, main switchboards, and sub-distribution boards in residential, commercial, and industrial buildings. They are essential for protecting circuits supplying socket outlets, lighting, and general-purpose equipment in environments requiring enhanced safety against electric shock and fire hazards. Typical applications include building electrical systems, temporary power supplies, and installations in wet areas such as bathrooms, kitchens, and outdoor locations. The DDA200A series is also used in industrial control panels and automation systems where personnel protection is critical.
The DDA200A category includes several subcategories based on pole configuration and sensitivity. Key article codes include DDA200A-2P-25A-30mA, DDA200A-2P-40A-30mA, DDA200A-4P-63A-300mA, and DDA200A-4P-100A-500mA. The article code structure typically follows the pattern: DDA200A-[Number of Poles]-[Rated Current in Amps]-[Residual Current in mA]. For example, DDA200A-2P-40A-30mA indicates a 2-pole device with a 40A rated current and 30mA residual sensitivity. These codes help identify the exact technical specifications for each variant.
At Electric Automation Network, we offer the DDA200A series with competitive pricing, real-time stock availability, and express worldwide shipping. Our team of specialized electrical engineers provides personalized technical support to help you select the correct RCCB for your application, including guidance on coordination with upstream circuit breakers and selectivity requirements. We also supply comprehensive technical documentation, including datasheets and wiring diagrams, for each article. Benefit from up to 65% discount on bulk orders and fast delivery to any global destination.
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