Technical Parameters
Parameter Specification
Manufacturer ABB
Series / Family SACE Emax 2 (E2.2 frame)
Product Type Air Circuit Breaker (ACB)
Rated Current (In / Iu) 1600 A
Number of Poles 3 (three‑phase)
Rated Operational Voltage (Ue) Up to 690 V AC
Rated Insulation Voltage (Ui) ~1000 V AC
Rated Impulse Withstand Voltage (Uimp) ~12 kV
Trip Unit (Optional) Electronic protection (LSI / LSIG depending on variant)
Protection Functions Overload (L), Short‑Time (S), Instantaneous (I), Ground Fault (G) when equipped with the corresponding trip unit
Short‑Circuit Breaking Capacity (Icu) Typical up to ~66 kA at 690 V AC
Service Short‑Circuit Breaking Capacity (Ics) Typically similar to Icu at distribution levels
Short‑Time Withstand Current (Icw) High withstand for 1 s / 3 s duty
Connection Type Fixed horizontal rear terminals (FHR)
Mounting Style Fixed installation in switchgear or distribution panel
Rated Frequency 50 / 60 Hz
Typical Applications Main power distribution, feeder protection, industrial electrical systems
The ABB SACE E2.2S‑A 1600 A 3‑pole Air Circuit Breaker is a low‑voltage industrial protective device from the ABB SACE Emax 2 E2.2 frame series. It is designed to protect three‑phase electrical power distribution systems against overloads, short circuits, instantaneous faults, and ground faults when fitted with the appropriate electronic trip unit. This breaker is typically used as a main distribution breaker or feeder protection device in switchgear and electrical panels in commercial and industrial installations. This specific variant is a fixed installation with rear horizontal connections (FHR).