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NZMB1-AF80-NA

Technical Specifications Parameter Specification / Typical Value Manufacturer / Brand Eaton Model Number NZMB1-AF80-NA Product Line NZM Rated Current (In) 80 A Poles 3 Frame Size NZMB1 Mounting Type Fixed Trip Unit Type Fixed Thermal-Magnetic (TMD) Rated Operational Voltage (Ue) 400/415 V AC 690 V AC Rated Insulation Voltage (Ui) 750 V / 1000 V AC Rated Frequency 50/60 Hz Rated Ultimate Breaking Capacity (Icu) e.g., 25 kA / 36 kA @ 400V (Crucial to verify from datasheet) Accessories None (Can typically be field-equipped with auxiliary contacts, shunt trips, etc.) Standards Compliance IEC 60947-2

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The Eaton NZMB1-AF80-NA is an 80-ampere, 3-pole, fixed-mount Molded Case Circuit Breaker (MCCB) from the industrial-grade NZM series. This specific model is a compact but high-performance breaker designed for reliable protection in commercial and industrial power distribution systems. The "F80" indicates it is a Fixed version with a rated current of 80 Amperes. The "NA" suffix signifies that it is supplied from the factory with No Additional Accessories pre-installed, such as auxiliary contacts or shunt trips, making it a base unit for applications where these features are not required.