Specifications General Product Type: Residual current circuit breaker with overcurrent protection (RCBO) Model / Series: iC65 3‑Pole Rated Current: 40 A Number of Poles: 3 (protects three phases, typically used with neutral upstream) Mounting: DIN‑rail compatible Application: Combined overcurrent and earth‑leakage protection for three‑phase circuits Electrical Ratings Rated Operational Voltage: Suitable for three‑phase low‑voltage AC systems (e.g., ~230/400 V AC) Rated Frequency: 50 Hz or 60 Hz operation Rated Current (In): 40 A continuous current Rated Residual Operating Current: 30 mA (earth‑leakage sensitivity) Tripping Characteristic (Overcurrent): Typically Type C curve for general use Trip Unit Technology: Thermal‑magnetic for overload and short‑circuit protection with instantaneous residual‑current disconnect Residual Current Type: Voltage‑dependent residual current detection Protection Features Overload Protection: Yes (thermal element) Short‑Circuit Protection: Yes (magnetic element) Earth‑Leakage Protection: Trips when residual current exceeds 30 mA, enhancing personal safety and reducing fire risk Instantaneous Leak Trip: Rapid disconnection on fault current detection Performance & Capacity Breaking/Interrupting Capacity: Designed for typical distribution panel fault levels Isolation Function: Provides electrical isolation when tripped or manually switched Mechanical & Environmental Terminal Connections: Screw/clamp terminals for secure conductor attachment Durability: Designed for repeated operations and long service life Installation Environment: Indoor distribution board environments