Technical Parameters
Parameter Specification
Product Name ABB E2.2N 2500 A Air Circuit Breaker
Product Type Low‑Voltage Air Circuit Breaker (ACB)
Series / Family ABB SACE Emax 2 – E2.2N
Rated Current (Iₙ) 2500 A
Number of Poles 3‑pole (3P)
Rated Operational Voltage (Uₑ) Up to 690 V AC
Rated Insulation Voltage (Uᵢ) 1000 V AC
Rated Impulse Withstand Voltage (Uᵢₘₚ) 12 kV
Rated Uninterrupted Current (Iᵤ) 2500 A
Rated Short‑Circuit Breaking Capacity (Icu) 66 kA (typical across 220 – 690 V AC)
Rated Short‑Time Withstand Current (Icw) 66 kA for 1 s; 50 kA for 3 s
Protection Releases Ekip Dip LI, Ekip Touch LSIG (varies by model)
Adjustable Protection Overload, short‑circuit, earth‑fault (depending on release)
Mounting Type Fixed or Withdrawable (format depends on model)
Auxiliary Contacts Yes (configurable per breaker version)
Control / Indicators Breaker status and trip indication
Standards Compliance IEC low‑voltage circuit breaker standards
Typical Use Main distribution, feeder protection in industrial/commercial systems
The ABB E2.2N 2500 A is a low‑voltage air circuit breaker (ACB) from ABB’s SACE Emax 2 E2.2N series, designed for electrical distribution and protection in industrial and commercial power systems. It is built to handle continuous currents up to 2500 A in three‑phase networks and protects against overloads, short circuits, and fault conditions.