The ABB E4.2S 4000 is a heavy-duty low-voltage air circuit breaker built for maximum performance and protection in demanding electrical systems. With a rated current of 4000A and a high breaking capacity of 85kA, it ensures safe and reliable operation in mission-critical applications. The integrated Ekip Dip LI trip unit provides precise long-time and instantaneous protection, while the HR (High Reliability) design enhances durability and operational lifespan.
Key Features:
Rated Current: 4000A
Breaking Capacity: 85kA at 415V AC
Frame Size: E4.2S
Poles: 3P (Three Pole)
Trip Unit: Ekip Dip LI (Long-Time & Instantaneous protection)
Mounting Type: Fixed (F)
High Reliability (HR): Engineered for robust and long-term use
Advanced Protection: Adjustable settings for enhanced system safety
Smart Ready: Supports integration with digital monitoring and control platforms
Application Areas: Ideal for industrial plants, data centers, utilities, and large switchboards