Description: Model: EA9AH3D125NEW Type: MCB (Miniature Circuit Breaker) Poles: 3 (Three-phase protection) Rated Current: 125 A Rated Voltage: 400 V AC Tripping Characteristics: Type C (moderate overload protection and short-circuit protection) Application: Protects electrical circuits in power distribution systems, lighting circuits, motor protection, and other applications that require high reliability and efficient protection. Mounting: DIN rail mounted Standards Compliance: IEC 60898-1, UL 1077, CE Mark Parameters: Rated Current (In): 125 A Number of Poles: 3 (for three-phase systems) Rated Voltage (Ue): 400 V AC Tripping Characteristic: Type C (instantaneous trip for short circuits, moderate overload protection) Breaking Capacity (Icn): 10 kA (at 400 V AC) Rated Insulation Voltage (Ui): 690 V Mechanical Durability: 20,000 cycles Electrical Durability: 10,000 cycles Frequency Range: 50/60 Hz Auxiliary Contacts: Available for signaling, monitoring, or remote control (NO or NC contacts) Operating Temperature Range: -25°C to +60°C Connection Type: Screw terminals Rated Impulse Withstand Voltage (Uimp): 6 kV Protection Type: Overload and short-circuit protection