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
| Parameter | Value/Description |
| Product Type | SACE Emax E2N-A Air Circuit Breaker |
| Rated Current (In) | 1600A |
| Poles | 3P (Three-Pole) |
| Mounting Type | Fixed (F) |
| Terminal Position | Rear Horizontal (HR) |
| Trip Unit | PR121/P-LI (Protection Relay with LI - Light Curve) |
| Breaking Capacity | High (Icu/Ics according to IEC 60947-2) |
| Standards Compliance | UL, IEC 60947-2 |
| Auxiliary Contacts | 4 auxiliary contacts (for breaker status indication) |
| Product ID (ABB Code) | 1SDA057335R1 |
| EAN Code | 8015644595982 |
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:
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Overcurrent Protection (L, S, I, G functions) – Protects against overloads, short-circuits, and ground faults.
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Light (LI) Curve – Optimized tripping characteristics for selective coordination.
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Adjustable Settings – Customizable protection thresholds for different applications.
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Real-Time Monitoring – Measures current, voltage, power, and energy consumption.
2.2 High Breaking Capacity
2.3 Fixed Mounting Design (3p F HR)
2.4 Communication & Connectivity
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Optional communication modules (Modbus, Profibus, Ethernet) for integration with SCADA and energy management systems.
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Remote monitoring and control capabilities for smart grid applications.
2.5 Robust Mechanical Design
3. Product Advantages of ABB E2N-A 1600A ACB
| Feature | Advantage |
| PR121/P-LI Trip Unit | Ensures precise protection with adjustable settings for different load types. |
| High Breaking Capacity | Safely interrupts high fault currents, minimizing downtime. |
| Fixed & Compact Design | Saves space in switchgear panels while ensuring stability. |
| UL & IEC Compliance | Meets international safety and performance standards. |
| Auxiliary Contacts | Provides breaker status feedback (open/closed) for control systems. |
| Smart Monitoring | Enables predictive maintenance and energy efficiency optimization. |
| Easy Installation | Rear horizontal terminals simplify wiring and reduce installation time. |
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.
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22. ABB E2N-A 1600A Air Circuit Breaker 1SDA057335R1 High Breaking Capacity and Smart Monitoring Capabilities for Safe and Operation Images
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