E4S3200 PR121/P-LSlG_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 E4S Product Type Air Circuit Breaker (ACB) Model E4S3200 PR121/P‑LSIG Number of Poles 3‑pole (three-phase) Rated Continuous Current (In) 3200 A Trip Unit Type PR121/P‑LSIG electronic overcurrent release (Long‑time + Short‑time + Instantaneous + Ground Fault) Protection Functions L – Long-time overload S – Short-time delay overcurrent I – Instantaneous short-circuit G – Ground fault (residual) 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 suitable for industrial low-voltage networks Service Short‑Circuit Breaking Capacity (Ics) Matching rated breaking capacity for service conditions Short‑Time Withstand Current (Icw) High withstand for 1 s / 3 s fault duration Rated Frequency 50 / 60 Hz Mounting / Connection Fixed or withdrawable depending on switchgear frame Standards Compliance IEC low-voltage circuit breaker standards Typical Applications Main distribution breaker, feeder protection in industrial/commercial switchgear

Grace +86 13600179521

DESCRIBE

The ABB E4S3200 PR121/P‑LSIG is a high-capacity low-voltage air circuit breaker from ABB’s Emax E4S series. It is equipped with a PR121/P‑LSIG electronic trip unit, providing adjustable protection against overloads, short-time currents, instantaneous short circuits, and ground faults. The breaker is suitable for use in industrial and commercial switchgear as a main distribution breaker or feeder protection. Its design allows for robust fault clearing and reliable protection of three-phase power distribution systems.

SERVICE HOTLINE Grace +86 13600179521

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