Specifications General Product Range: ComPacT NSX F-Frame Device Type: 4-Pole Molded Case Circuit Breaker (MCCB) Number of Poles: 4 (Three phases + Neutral) Mounting: Fixed or withdrawable (depending on assembly) Application: Low-voltage distribution protection in industrial, commercial, and utility installations Rated Current (In) NSX100F: Typically up to ~100 A NSX160F: Typically up to ~160 A NSX250F: Typically up to ~250 A Electrical Ratings Rated Operational Voltage (Ue): Up to 690 V AC, 50/60 Hz Rated Insulation Voltage (Ui): Approximately 800 V AC Rated Impulse Withstand Voltage (Uimp): Typically 8 kV or similar Rated Frequency: 50/60 Hz Protection & Trip Unit Trip Unit Types: Thermal-magnetic trip units for basic overload and short-circuit protection Electronic trip units (optional) for adjustable protection settings Protection Functions: Long-time (overload) protection Short-time protection Instantaneous short-circuit protection Optional adjustable settings (depending on trip unit) Breaking Capacity High breaking capacity suitable for low-voltage distribution networks Capability to interrupt fault currents typical of industrial and commercial power systems Specific Icu/Ics values vary by model and configuration Mechanical & Environmental Terminal Type: Screw/clamp for power connections Mechanical Durability: Designed for long service life and frequent operations Operating Temperature Range: Standard range for electrical distribution equipment Isolation Feature: Complete disconnection of all poles including neutral