Parameters: Rated Current (In): 40A Poles: 4P (Four-pole configuration for 3-phase systems with neutral protection) Rated Voltage (Un): 415V AC (suitable for 3-phase power systems) Rated Frequency: 50/60Hz Breaking Capacity (Icn): 10kA (maximum fault current the MCB can interrupt without damage) Overload Protection: Yes, provides thermal overload protection to trip the device when the current exceeds the rated value over an extended period. Short Circuit Protection: Yes, includes magnetic short-circuit protection for immediate disconnection in the event of a short circuit, protecting circuits from damage. Earth Leakage Monitoring (ELM): Yes, the MCB includes earth leakage protection to detect leakage currents and enhance safety by preventing electric shock risks. Insulation Resistance: ≥ 100MΩ (at 500V DC) Ambient Temperature Range: -25°C to +60°C (suitable for various environmental conditions) Mechanical Durability: 20,000 operations Electrical Durability: 4,000 operations (under rated current and short-circuit conditions) Auxiliary Contacts: Available for signaling or remote monitoring applications.