E2S 2500 T LI 3P WMP NST 10146222_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Parameter Specification Manufacturer ABB Series / Family Emax 2 – E2S Product Type Air Circuit Breaker (ACB), Withdrawable (WMP) Number of Poles 3‑pole (three‑phase) Rated Continuous Current (In / Iu) 2500 A Trip Unit Type Electronic LI (Long‑time + Instantaneous) 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) High interrupting capacity (typical medium‑voltage distribution levels) Service Short‑Circuit Breaking Capacity (Ics) Rated service capacity matching interrupting rating Short‑Time Withstand Current (Icw) High withstand for typical industrial fault duty Rated Frequency 50 / 60 Hz Design / Mounting Withdrawable mobile part (WMP) for switchgear frames Protection Functions (LI) • L – Long‑time (overload) • I – Instantaneous short‑circuit Typical Applications Main breaker and feeder protection in switchgear, power distribution cabinets

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DESCRIBE

The ABB E2S 2500 T LI 3‑pole WMP Air Circuit Breaker is a high‑capacity low‑voltage protective device designed for three‑phase AC power distribution systems. It belongs to ABB’s Emax 2 E2S series of draw‑out (“WMP” – Withdrawable Moving Part) air circuit breakers and features an electronic trip unit (“LI”) that provides coordinated long‑time, instantaneous, and other overcurrent protection functions. The breaker is suitable for use as a main distribution breaker or feeder protection breaker in industrial and commercial switchgear installations, offering reliable interruption of fault currents and easy maintenance thanks to its withdrawable design.

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