The Schneider Electric ComPacT NSX100N 3‑Pole 100 A Molded Case Circuit Breaker (MCCB) is a low‑voltage protective device used for three‑phase electrical distribution systems in industrial and commercial power panels.
Parameters
Parameter Specification
Product Family ComPacT NSX new generation MCCB
Device Type Molded Case Circuit Breaker (MCCB)
Model / Series NSX100N
Configuration 3‑pole (3P)
Rated Current (In) 100 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
Utilization Category Category A (general distribution)
Breaking Capacity (Icu) • 90 kA at 220–240 V AC
• 50 kA at 380–415 V AC
• 50 kA at 440 V AC
• 36 kA at 500 V AC
• 35 kA at 525 V AC
• 10 kA at 660–690 V AC
(all conforming to IEC 60947‑2)
Service Breaking Capacity (Ics) Same as Icu at corresponding voltages
Suitability for Isolation Yes (visible break isolation)
Mounting Mode Fixed panel / backplate mounting
Control Type Manual toggle handle
Standards Compliance IEC/EN 60947‑2