Description: Model: EZD 250A Type: MCCB (Molded Case Circuit Breaker) Poles: 3 (Three-phase protection) Rated Current: 250 A Rated Voltage: 400 V AC Tripping Characteristics: Thermal-Magnetic (providing both overload and short-circuit protection) Application: Designed to protect electrical distribution circuits, motors, and industrial equipment from electrical faults in low-voltage systems. Mounting: DIN rail mounted or panel-mounted Standards Compliance: IEC 60947-2, UL 489, CCC (China Compulsory Certification) Parameters: Rated Current (In): 250 A Number of Poles: 3 (for 3-phase circuits) Rated Voltage (Ue): 400 V AC (standard for industrial applications) Breaking Capacity (Icu): 25 kA at 400 V AC (withstands short-circuit conditions) Rated Insulation Voltage (Ui): 690 V Tripping Characteristics: Overload: Adjustable thermal protection Short-circuit: Magnetic protection (instantaneous trip) Frequency Range: 50/60 Hz Auxiliary Contacts: Available for signaling or remote control Temperature Range: -5°C to +40°C Mechanical Durability: 10,000 cycles Electrical Durability: 6,000 cycles Connection Type: Screw terminals