The Schneider Electric ComPacT NSX100F 4‑Pole Molded Case Circuit Breaker (MCCB) is a robust low‑voltage protective device used in electrical distribution systems for overload, short‑circuit protection, manual switching, and isolation of three‑phase circuits.
Specifications (English)
Specification Typical Value / Description
Product Family ComPacT NSX100F MCCB
Device Type Molded Case Circuit Breaker (MCCB)
Number of Poles 4‑pole (4P) — three phases + neutral protected (4D)
Rated Current (In) 80 A or 100 A depending on trip unit fitted (e.g., 80 A TMD thermal‑magnetic, 100 A Micrologic)
Trip Unit Technology Thermal‑Magnetic (TMD) or Electronic (Micrologic 2.2) (depending on version)
Protection Functions Thermal overload and magnetic short‑circuit protection; electronic versions add adjustable functions (long‑time/short‑time/instantaneous)
Rated Operational Voltage (Ue) 690 V AC, 50/60 Hz
Rated Insulation Voltage (Ui) 800 V AC
Rated Impulse Withstand Voltage (Uimp) 8 kV
Utilisation Category Category A (general distribution)
Suitability for Isolation Yes (meets IEC/EN 60947‑2 isolation requirements)
Control / Operation Manual toggle handle
Mounting Mode Fixed mounting in panel or switchboard
Neutral Position Left (neutral pole position)
Standards Compliance IEC/EN 60947‑1 and 60947‑2 molded case circuit breaker standards