Schneider NSX250F 4P 250A is a low-voltage molded case circuit breaker (MCCB) designed for industrial and commercial power distribution, providing overload and short-circuit protection with 4 poles (L1, L2, L3, N), rated current 250 A, rated voltage up to 690 V AC, and breaking capacity up to 36 kA at 415 V AC.
Parameters
Device Type: Molded Case Circuit Breaker (MCCB)
Frame Size / Model: NSX250F
Poles: 4P (L1, L2, L3 + Neutral)
Rated Current (In): 250 A
Rated Operational Voltage (Ue): Up to 690 V AC, 50/60 Hz
Rated Insulation Voltage (Ui): 800 V AC
Rated Impulse Withstand Voltage (Uimp): 8 kV
Short-Circuit Breaking Capacity (Icu):
220–240 V AC: 85 kA
380–415 V AC: 36 kA
440 V AC: 35 kA
480 V AC: 35 kA
500 V AC: 30 kA
525 V AC: 22 kA
600 V AC: 15 kA
660–690 V AC: 8 kA
Trip Unit Options: Thermal-Magnetic (TM-D) or Electronic (MicroLogic 2.2)
Mounting: Fixed type for panels and switchboards
Control: Manual toggle handle for ON/OFF/isolation