The Schneider NSX 630N is a molded case circuit breaker (MCCB) from Schneider Electric's NSX series. It is designed for overcurrent protection in industrial, commercial, and residential electrical systems.
Description:
Model: NSX 630N
Type: Molded Case Circuit Breaker (MCCB)
Poles: 3 (Three-phase protection)
Rated Current: 630 A
Rated Voltage: 690 V AC
Application: The NSX 630N is used to protect electrical circuits from overload, short-circuit, and phase failure. It is commonly used in industrial power distribution, motor protection, and large electrical installations. The breaker is ideal for protecting high-power circuits in commercial and industrial environments.
Mounting: Panel mounted or DIN rail mounted
Standards Compliance: IEC 60947-2, UL 489, CSA C22.2, CE marking
Parameters:
Rated Current (In): 630 A
Number of Poles: 3 (for three-phase systems)
Rated Voltage (Ue): 690 V AC (suitable for industrial power applications)
Breaking Capacity (Icu): 50 kA (at 400 V AC) – This means the circuit breaker can safely interrupt fault currents of up to 50,000 A.
Tripping Characteristics: Adjustable thermal-magnetic tripping characteristics for overload protection and short-circuit protection.
Thermal Protection: Adjusts to prevent damage from prolonged overloads.
Magnetic Protection: Provides fast disconnection during short-circuit conditions to protect the system from immediate damage.
Rated Frequency: 50/60 Hz
Mechanical Durability: 20,000 cycles
Electrical Durability: 10,000 cycles
Rated Insulation Voltage (Ui): 690 V
Rated Impulse Withstand Voltage (Uimp): 8 kV
Temperature Range: -5°C to +40°C
Auxiliary Contacts: Optional auxiliary contacts (NO or NC) for remote control or signaling functions
Connection Type: Screw terminals