Parameters: Parameter Value / Description Product Line / Frame Size Masterpact NSX250 Rated Current (In) 250 A (Maximum continuous current rating of the frame). The operational current is set by the installed trip unit. Number of Poles 3 Breaking Capacity Standard (S Rating). Rated Ultimate Breaking Capacity (Icu) Typically 50 kA at 415V AC (IEC 60947-2). (Confirm exact value for specific voltage from catalog). Rated Service Breaking Capacity (Ics) Typically 100% of Icu (IEC 60947-2). Rated Operational Voltage (Ue) Up to 690 V AC Trip Unit (Must be specified separately) Electronic Micrologic only. Available in a wide range: • Protection-only (e.g., Micrologic 2.2, 5.2, 6.2). • Protection + Measurement (e.g., Micrologic 5.3, 6.3). • Protection + Measurement + Communication (e.g., Micrologic 6.3E, 7.3A). Communication Capability Native capability via embedded communication ports in advanced trip units (e.g., Micrologic 6/7 E/A) supporting Ethernet, Modbus, Profibus, etc. Basic units can be upgraded with communication modules. Standard IEC 60947-2 Mounting Withdrawable (Racking mechanism is a standard feature of the Masterpact NSX line, facilitating easy maintenance and testing). Also available in Fixed version. Connection Front or Rear connection (depending on the specific kit/assembly). Width Approximately 165 mm (for 3-pole withdrawable unit in a cassette - confirm exact dimensions with kit).