Schneider Electric ComPacT NSX250N Molded Case Circuit Breaker is a 3‑pole, 250 A rated current AC circuit breaker designed for low‑voltage power distribution and protection applications.
Specifications
Parameter Specification (English)
Product Name Schneider Electric ComPacT NSX250N
Device Type Molded Case Circuit Breaker (MCCB)
Series / Range ComPacT NSX
Poles 3 P (three poles)
Rated Current 250 A @ 40 °C
Rated Operational Voltage (Ue) 690 V AC (50/60 Hz)
Rated Insulation Voltage (Ui) 800 V AC
Network Type / Frequency AC 50/60 Hz
Suitability for Isolation Yes (per EN/IEC 60947‑2)
Utilisation Category Category A
Breaking Capacity (Icu) • 90 kA @ 220/240 V AC, • 50 kA @ 380/415 V AC, • 50 kA @ 440 V AC, • 36 kA @ 500 V AC, • 35 kA @ 525 V AC, • 10 kA @ 660/690 V AC (per IEC 60947‑2)
Performance Level N 50 kA @ 415 V AC
Trip Unit Type Electronic / Thermal‑Magnetic (depending on version)
Trip Unit Name Micrologic 2.2 (electronic) or TM‑D (thermal‑magnetic)
Trip Unit Protection Functions L, S, O, I or LI functions (varies by trip unit)
Control Type Toggle / Handle
Mounting Mode Fixed
Standards Complied EN/IEC 60947‑2
Application Distribution / Circuit Protection
Typical Use Industrial and commercial power distribution systems