Specifications General Product Type: Residual Current Circuit Breaker with Overcurrent Protection (RCBO) Series / Family: iDPNN (part of Acti9 / iDPN range) Model: iDPNN C20A ELM Number of Poles: 2 (phase + neutral) Rated Current (In): 20 A Tripping Curve: Type C (for moderate inrush currents) Mounting: DIN‑rail (35 mm) Application: Protection of single‑phase circuits with combined overcurrent and earth‑leakage protection Electrical Ratings Rated Operational Voltage (Ue): 230 V AC (phase to neutral), suitable for low‑voltage distribution Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Typically 500 V Rated Impulse Withstand Voltage (Uimp): Around 4 kV Breaking Capacity (Icn): Designed for typical distribution board fault levels (commonly 6 kA or 10 kA depending on variant) Residual Current Sensitivity: 30 mA (earth‑leakage trip level) Residual Current Type: Type A (detects AC and pulsating DC leakage) Protection & Trip Characteristics Overload Protection: Yes — thermal element Short‑Circuit Protection: Yes — magnetic element Earth‑Leakage Protection: Trips when residual current exceeds 30 mA Tripping Characteristic (Overcurrent): Type C: Trips at 5–10× rated current to accommodate moderate inrush loads Mechanical & Environmental Terminal Connections: Screw/clamp terminals for secure conductor connection Operating Temperature: Suitable for typical indoor distribution board environments Mounting: Clip‑on DIN‑rail installation Durability: Engineered for reliable performance over repeated switching and fault operations