Technical Parameters
Specification Details
Product Air Circuit Breaker
Series / Model ABB E3S2000
Rated Operational Current (Iu) 2000 A
Poles 3‑pole (three‑phase)
Rated Operational Voltage up to 690 V AC
Short‑Circuit Breaking Capacity (Icu) up to ~75 kA @ 400 V AC
Overcurrent Protection Unit Adjustable long‑time, short‑time, instantaneous, ground fault options depending on trip unit
Trip Unit Type PR122 / P‑LSI or similar protection units available
Auxiliary Contacts Multiple auxiliary contacts for breaker status and remote signaling
Mounting Type Fixed installation — panel or switchgear mounting
Connection Style Rear or front terminals depending on configuration
Standards Compliance IEC/EN 60947‑2 and related low‑voltage protection standards
Protection Functions Overload, short‑circuit, ground fault (depending on trip unit options)
The ABB E3S2000 is a high‑capacity low‑voltage air circuit breaker from ABB’s SACE Emax E3 series designed for the protection and switching of electrical power distribution and industrial systems. These breakers provide reliable overcurrent and short‑circuit protection for three‑phase power circuits up to 2000 A. The unit is suitable for industrial, commercial, and utility applications where robust fault protection and selective coordination are required.