The ABB E4.2H 4000 is a high-performance low-voltage air circuit breaker designed for heavy-duty power distribution and fault protection. With a rated current of 4000A and an exceptional breaking capacity of 100kA, it is ideal for critical applications where maximum safety and reliability are essential. Equipped with the Ekip Dip LI trip unit, the breaker offers advanced long-time and instantaneous protection, while the HR (High Reliability) fixed design ensures stable and durable operation over time.

Key Features:

• Rated Current: 4000A

• Breaking Capacity: 100kA at 415V AC

• Frame Size: E4.2H

• Poles: 3P (Three Pole)

• Trip Unit: Ekip Dip LI (Long-Time & Instantaneous protection)

• Mounting Type: Fixed (F)

• High Reliability (HR): Built for extended operational life and demanding conditions

• Enhanced Safety: High breaking capacity to handle severe fault levels

• Smart System Compatibility: Can be integrated into digital monitoring and control networks

• Ideal Applications: Power plants, heavy industrial sites, main switchboards, and infrastructure requiring high fault-level protection