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NZM4 AE1250

The Eaton NZM4 AE1250 is a high-capacity 3-pole air circuit breaker designed for main power distribution in industrial and commercial applications. With its 1250A rating and advanced protection features, this ACB provides reliable circuit protection for critical electrical systems.

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Key Specifications Rated Current: 1250A (adjustable 500-1250A) Poles: 3P (3-phase) Breaking Capacity: 65kA at 415V AC (Icu=Ics) Rated Voltage: 690V AC Trip Unit: Electronic (ETU) with digital display Mounting: Fixed or withdrawable version Standards: IEC 60947-2, UL 1066, CSA C22.2 Advanced Features ✔ Intelligent Protection System Adjustable protection settings (L, S, I, G) Integrated ground fault protection (0.2-1.0×In) Load monitoring and pre-alarm functions ✔ Smart Operation LCD display for real-time measurements Event logging (last 10 trips) Standard Modbus communication Optional Ethernet/PROFIBUS modules ✔ Robust Construction Current-limiting design High mechanical endurance (>10,000 operations) Visible contact position indicator Arc-resistant enclosure ✔ User-Friendly Design Rotary handle operation Test button for functionality check Local/remote switching capability