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C120 4P D80A 30MA

The Schneider Electric Acti9 C120 4‑Pole D80A 30 mA is a four‑pole miniature circuit breaker with integrated residual current protection (RCD) designed to protect three‑phase electrical circuits from overload, short‑circuit, and earth‑leakage (residual) faults.

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Specifications Parameter Specification Manufacturer Schneider Electric Product Series Acti9 C120 / Vigi C120 combination Device Type 4‑Pole MCB + Residual Current Device (RCD/RCBO) Poles 4P (three phases + neutral) Rated Current (In) 80 A Trip Curve D‑curve (thermal‑magnetic) – suitable for circuits with moderate to high inrush currents Residual Current Rating (IΔn) 30 mA (earth‑leakage protection) Residual Current Type Type A (detects AC and pulsating DC leakage) Rated Operational Voltage (Ue) 230 / 400–415 V AC, 50/60 Hz Network Type AC three‑phase Rated Insulation Voltage (Ui) ~500 V AC Rated Impulse Withstand (Uimp) ~6 kV Breaking Capacity (Icu) Typical values depend on configuration; when RCD module added, MCB part often rated for several kA per IEC standards Standards & Compliance EN/IEC 60947‑2 (MCB) and EN/IEC 61009 (RCD) – safety and performance for residual current devices and breakers Mounting DIN‑rail (35 mm) Degree of Protection IP20 (terminals) Operating Temperature ~‑25 °C to +60 °C Application Overcurrent & earth‑leakage protection in distribution boards