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E2.2N 2000A 3P

The ABB E2.2N 2000A 3P is a specific variant of the Emax 2 low-voltage air circuit breaker, belonging to the second generation of the "N" (New/Improved) design. It represents a high-current, fixed-mounting power circuit breaker designed for main distribution and protection in large industrial plants, data centers, commercial buildings, and infrastructure.

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Technical Parameters Parameter Specification Rated Current (In) 2000 A Number of Poles 3P Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V AC Rated Impulse Withstand Voltage (Uimp) 12 kV Short-Circuit Breaking Capacity (Icu) 66 kA (400–690 V AC) Rated Service Short-Circuit Breaking Capacity (Ics) 66 kA Short-Time Withstand Current (Icw) 66 kA for 1 s / 50 kA for 3 s Rated Uninterrupted Current (Iu) 2000 A Trip Unit Type Electronic trip unit (Ekip Dip) Terminal Connection Rear flat horizontal terminals Mechanical Durability ~25,000 operations Electrical Durability 8,000–10,000 operations Standards Compliance IEC 60947‑2