Specifications General Product Range: ComPacT NSX N‑Frame Device Type: Molded Case Circuit Breaker (MCCB) Number of Poles: 3 (three phases) Rated Current (In): 800 A Mounting: Fixed panel or switchboard installation Application: Protection of low‑voltage three‑phase distribution circuits Electrical Ratings Rated Operational Voltage (Ue): Suitable for low‑voltage AC systems up to ~690 V Rated Frequency: 50/60 Hz Rated Insulation Voltage (Ui): Designed for standard low‑voltage distribution systems Rated Impulse Withstand Voltage (Uimp): Capable of withstanding typical transient overvoltages Protection & Trip Unit Trip Unit Type: Thermal‑magnetic or optional electronic (such as Micrologic series) Protection Functions: Overload Protection: Long‑time (thermal) element Short‑Circuit Protection: Short‑time/magnetic element Instantaneous Protection: Available with electronic trip units Adjustability: Adjustable protection settings when equipped with an electronic trip unit Breaking Capacity & Performance High Breaking Capacity: Designed to clear fault currents encountered in utility, industrial, and commercial distribution networks Coordination: Can be coordinated with upstream and downstream protective devices for selective protection Mechanical & Environmental Terminal Connections: Screw or clamp type for secure conductor terminations Mechanical Durability: Built‑for repeated operations and long service life Design: Compact yet robust housing for efficient use of panel space Safety: Provides reliable electrical isolation and protection under fault conditions