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1SDA054873R1

The ABB 1SDA054873R1 is a residual current device (RCD) / residual current circuit breaker (RCCB) designed for personnel protection against electric shock and leakage currents in low-voltage electrical installations. It provides high sensitivity and fast response to earth leakage currents, ensuring safety and compliance with international electrical standards.

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Specifications General Type: Residual Current Device (RCD / RCCB) Series: 1SDA Model: 1SDA054873R1 Application: Protection against electric shock and earth leakage Poles: 4P (Three-phase + Neutral) Mounting: DIN rail or panel mount Electrical Characteristics Rated Operational Voltage (Ue): 230/400 V AC Rated Current (In): 63 A Rated Residual Operating Current (IΔn): 30 mA Frequency: 50 / 60 Hz Tripping Type: Type AC (sensitive to sinusoidal AC leakage currents) Breaking Capacity: 10 kA Rated Insulation Voltage (Ui): 500 V Mechanical & Construction Housing Material: High-grade thermoplastic Mechanical Life: >10,000 operations Electrical Life: >4,000 operations at rated load Terminal Type: Screw terminals Dimensions: Compact for standard DIN rail installation Protection Class: IP20 Environmental Conditions Operating Temperature: –25 °C to +55 °C Storage Temperature: –40 °C to +70 °C Humidity: 0–95% RH, non-condensing Standards & Certifications Standards Compliance: IEC 61008, IEC 61009 Safety & EMC: CE marked Approvals: UL, CSA depending on region Features Reliable protection against earth leakage and electric shock Compact 4-pole design suitable for three-phase systems Quick and sensitive tripping response Easy DIN rail installation in electrical distribution panels High mechanical and electrical durability for long-term operation Suitable for residential, commercial, and industrial applications