Technical Parameters
Parameter Specification
Rated Current (In) 2000 A
Number of Poles 3P
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) 66 kA (400–690 V AC)
Rated Service Short-Circuit Breaking Capacity (Ics) 66 kA
Short-Time Withstand Current (Icw) 66 kA for 1 s / 50 kA for 3 s
Rated Uninterrupted Current (Iu) 2000 A
Trip Unit Type Electronic trip unit (Ekip Dip)
Terminal Connection Rear flat horizontal terminals
Mechanical Durability ~25,000 operations
Electrical Durability 8,000–10,000 operations
Standards Compliance IEC 60947‑2
The ABB E2.2N 2000A 3P is a specific variant of the Emax 2 low-voltage air circuit breaker, belonging to the second generation of the "N" (New/Improved) design. It represents a high-current, fixed-mounting power circuit breaker designed for main distribution and protection in large industrial plants, data centers, commercial buildings, and infrastructure.