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NSX 800N 800A

The Schneider Electric Masterpact NSX 800N 800A is an 800A, N-frame Air Circuit Breaker (ACB) from the premium Masterpact NSX series (not to be confused with the smaller "Compact NSX" MCCB range). This device is designed for main power distribution and protection in large commercial buildings, industrial plants, and critical infrastructure. The "N" typically indicates a standard thermal-magnetic or basic electronic trip unit version.

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Specifications Parameter Specification Product Series Masterpact NSX (Air Circuit Breaker Range) Frame Size N Frame – Typically covering the 630A to 800A range. Rated Current (In) 800 Amperes Number of Poles Typically 3-Pole or 4-Pole (specified separately). Breaking Capacity (Icu) 42 kA, 50 kA, 65 kA, 100 kA @ 400V AC (depending on specific "N" variant and suffix). Rated Voltage (Ue) Up to 690V AC Trip Unit Type "N" Version: Could be a fixed thermal-magnetic (TM) unit or a basic electronic (Micrologic 2.0/5.0) unit without advanced communication. The exact type is defined by the full model suffix. Short-Time Withstand (Icw) Typically 30 kA to 50 kA for 1s (model dependent). Connection Front or rear connection, for cables or busbars. Mounting Fixed or Draw-out version available (specified in full code). Width (3P, Draw-out) Approximately 430 mm (typical for draw-out unit). Standards IEC 60947-2, UL 1066, ANSI, CCC, CE Operation Manual spring-charged mechanism or motor operation. Communication Optional communication modules available for electronic trip units (Modbus, Profibus, Ethernet).