Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—E3N 2500R2500 PR121/LI 3P WMP
E3N 2500R2500 PR121/LI 3P WMP
Technical Parameters Parameter Specification Manufacturer ABB Series / Family SACE Emax / E3N Product Type Air Circuit Breaker (ACB) Configuration / Version 3‑pole, withdrawable version (W MP) Rated Uninterrupted Current (In / Iu) 2500 A Number of Poles 3 Rated Operational Voltage Up to 690 V AC Rated Insulation Voltage (Ui) ~1000 V AC Rated Service Short‑Circuit Breaking Capacity (Ics) ~65 kA at 690 V AC Rated Ultimate Short‑Circuit Breaking Capacity (Icu) ~65 kA at 690 V AC Rated Short‑Time Withstand Current (Icw) ~65 kA (1 s / 3 s) Trip Unit Type PR121/P‑LI electronic overcurrent protection Protection Functions Overcurrent / short‑circuit protection via PR121/P‑LI unit Auxiliary Contacts Typically includes auxiliary contacts for breaker position and signaling Terminal Connection Type Withdrawable connection interfaces for switchgear cubicles Mounting Style Switchgear withdrawable frame Standards Compliance IEC / international low‑voltage breaker standards Typical Applications Industrial power distribution, switchgear feeders, main and critical bus protection
DESCRIBE
The ABB E3N 2500 PR121/P‑LI 3‑pole air circuit breaker is a high‑capacity low‑voltage protective device from ABB’s SACE Emax / E3N series designed for industrial and commercial power distribution systems. It provides reliable protection of three‑phase electrical circuits against overcurrent, short circuits, and electrical faults. This breaker includes an electronic PR121/P‑LI overcurrent trip unit, auxiliary contacts for status signaling, and is offered in a withdrawable (W MP) configuration for ease of maintenance and serviceability within switchgear. This model is suitable as a main distribution or feeder protection breaker in power systems with high current demands.
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