Description: Model: LV540335 CVS 3P320A Type: MCCB (Molded Case Circuit Breaker) Poles: 3 (Three-phase protection) Rated Current: 320 A Rated Voltage: 400 V AC Breaking Capacity: 50 kA at 400 V AC Application: Designed for protecting electrical circuits, power distribution systems, feeders, and motors from overloads, short circuits, and faults. It is widely used in industrial, commercial, and residential settings for reliable protection. Mounting: DIN rail mounted or panel-mounted Standards Compliance: IEC 60947-2, UL 489, CSA C22.2 Parameters: Rated Current (In): 320 A Number of Poles: 3 (for 3-phase systems) Rated Voltage (Ue): 400 V AC (typical for industrial systems) Breaking Capacity (Icu): 50 kA at 400 V AC (withstands high fault currents) Rated Insulation Voltage (Ui): 690 V Tripping Characteristics: Overload Protection: Thermal protection (adjustable) Short-circuit Protection: Magnetic protection (instantaneous trip) Frequency Range: 50/60 Hz Auxiliary Contacts: Available for monitoring or signaling (NO/NC) Temperature Range: -5°C to +40°C Mechanical Durability: 10,000 cycles Electrical Durability: 6,000 cycles Connection Type: Screw terminals Rated Impulse Withstand Voltage (Uimp): 6 kV