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—E3S 3200A PR122/LSIG
E3S 3200A PR122/LSIG
Technical Parameters Parameter Specification Rated Uninterrupted Current (Iu) 3200 A Number of Poles 4 (Three phases + Neutral) Rated Operational Current (Ie) 3200 A Rated Operational Voltage (Ue) Up to 690 V AC (three‑phase) Rated Insulation Voltage (Ui) 1000 V AC (typical for Emax series) Rated Impulse Withstand Voltage (Uimp) 12 kV (typical) Rated Ultimate Short‑Circuit Breaking Capacity (Icu) 75 kA across common voltages up to 690 V AC Rated Service Short‑Circuit Breaking Capacity (Ics) 75 kA (100 % of Icu) Short‑time Withstand Current (Icw) 75 kA for 1 s / ~65 kA for 3 s Trip Unit Type PR122/P‑LSIG (electronic, adjustable) Protection Functions Overload, Short‑circuit, Ground Fault (LSIG) Frame Design Fixed MCCB with rear horizontal terminals Trip Settings Range – Overload (L): 0.4–1×In – Short‑time (S): ~0.6–10×In – Instantaneous (I): ~1.5–15×In – Ground fault (G): ~0.2–1×In Standards Compliance IEC series (e.g., IEC 60947‑2) Typical Duty Power distribution, feeder protection
DESCRIBE
This is a high‑capacity low‑voltage air circuit breaker designed for industrial and commercial power distribution systems. It combines robust fault interruption with advanced electronic trip functions for overload, short‑circuit, and ground fault protection. The PR122/P‑LSIG trip unit provides adjustable protection characteristics and is suitable for coordinated system protection in distribution boards and switchgear installations.
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