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.
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