ABB Emax 2 E4.2N Air Circuit Breaker, 4000A, LI, with Ekip Touch Touch electronic trip unit. Suitable for high-performance protection applications, featuring Protection. Front handle ready (FHR) version, Designed for reliable power distribution in industrial and commercial installations. Key Features: Rated Current: 4000A Frame Size: E4.2N Poles: LI Protection Type: Touch (Protection) Trip Unit: Ekip Touch Front Handle Ready (FHR) Application: Main and Sub-main Protection