ABB 1600A Air Circuit Breaker E2N-A 1600 PR121/P-LI In=1600A 3p F HR - Comprehensive Technical Overview

Introduction

ABB's E2N-A 1600 PR121/P-LI In=1600A 3p F HR is a high-performance air circuit breaker (ACB) designed for reliable protection and control of electrical systems in industrial, commercial, and utility applications. With a rated current of 1600A, this three-pole fixed-mounted breaker incorporates advanced protection features, robust construction, and smart monitoring capabilities, making it ideal for demanding power distribution environments.

This document provides a detailed analysis of the ABB 1600A E2N-A breaker, covering its key functions, technical specifications, and product advantages in a structured format, including a comparison table for clarity.

1. Product Overview

1.1 Key Specifications

2. Functional Features of ABB E2N-A 1600A Circuit Breaker

2.1 Advanced Protection & Trip Unit (PR121/P-LI)

The PR121/P-LI protection relay ensures precise and adjustable protection settings, including:

• Overcurrent Protection (L, S, I, G functions) – Protects against overloads, short-circuits, and ground faults.

• Light (LI) Curve – Optimized tripping characteristics for selective coordination.

• Adjustable Settings – Customizable protection thresholds for different applications.

• Real-Time Monitoring – Measures current, voltage, power, and energy consumption.

2.2 High Breaking Capacity

• Designed to interrupt high fault currents safely (Icu/Ics ratings compliant with IEC 60947-2).

• Ensures system reliability even under severe short-circuit conditions.

2.3 Fixed Mounting Design (3p F HR)

• Fixed Version (F) – Suitable for panel installations where draw-out functionality is not required.

• Rear Horizontal (HR) Terminals – Facilitates easy cable connections in switchgear.

2.4 Communication & Connectivity

• Optional communication modules (Modbus, Profibus, Ethernet) for integration with SCADA and energy management systems.

• Remote monitoring and control capabilities for smart grid applications.

2.5 Robust Mechanical Design

• Durable construction for long service life.

• High resistance to electrical wear and environmental stress.

3. Product Advantages of ABB E2N-A 1600A ACB

4. Applications

The ABB E2N-A 1600A circuit breaker is widely used in:
✔ Industrial Power Distribution – Protects motors, transformers, and feeders.
✔ Commercial Buildings – Ensures safety in large electrical networks.
✔ Data Centers & Hospitals – Provides reliable power continuity.
✔ Renewable Energy Systems – Integrates with solar/wind power distribution.

5. Conclusion

The ABB E2N-A 1600 PR121/P-LI In=1600A 3p F HR is a high-performance air circuit breaker offering advanced protection, smart monitoring, and robust construction. With its PR121/P-LI trip unit, it ensures selective coordination and minimizes downtime, while its UL and IEC compliance guarantees safety and reliability.

This breaker is an ideal choice for engineers and facility managers seeking a dependable, long-lasting solution for medium-voltage power distribution.

For further details, refer to the official ABB datasheet or contact ABB technical support.