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E2N 2000A

The ABB E2N 2000 A is a low‑voltage air circuit breaker (ACB) from ABB’s Emax 2 E2N series, designed for electrical distribution and protection in industrial, commercial, and utility power systems. This breaker supports a continuous rated current of 2000 A and is available in 3‑pole (3P) and 4‑pole (4P) configurations.

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Technical Parameters Parameter Specification Product Name ABB E2N 2000 A Air Circuit Breaker Product Type Low‑Voltage Air Circuit Breaker (ACB) Series / Family Emax 2 – E2N Rated Current (In) 2000 A Rated Operational Voltage (Ue) Up to 690 V AC Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 12 kV Rated Short‑Circuit Breaking Capacity (Icu) Typically ~65–66 kA at 400 V AC Rated Short‑Time Withstand Current (Icw) ~66 kA for 1 s (typical variant) Rated Uninterrupted Current (Iu) 2000 A Number of Poles 3P or 4P Protection Releases Overcurrent/short‑circuit trip units (e.g., Ekip Dip, PR122/P, PR123/P‑LSIG, etc.) Adjustable Protection Overload, short‑circuit, earth‑fault (depending on release type) Mounting Type Fixed or Withdrawable (model dependent) Auxiliary Contacts Yes (varies by configuration) Control / Indication Breaker position and trip indication Standards Compliance IEC low‑voltage circuit breaker standards Typical Use Protection and switching in electrical distribution systems