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1SDA071858R1 ABB E4.2V 4000 Ekip Hi-Touch LSI 4p FHR Air Circuit Breaker
ABB 1SDA071858R1 E4.2V 4000 Ekip Hi-Touch LSI four-pole fixed air circuit breaker with a 4000 A rated current, advanced electronic LSI protection, rear horizontal terminals and up to 150 kA ultimate short-circuit breaking capacity.
£29,994.58
Why Choose the ABB E4.2V 4000 Ekip Hi-Touch LSI 4p FHR Air Circuit Breaker?
The ABB E4.2V 4000 Ekip Hi-Touch LSI 4p FHR, order code 1SDA071858R1, is a high-performance four-pole SACE Emax 2 air circuit breaker designed for protection, switching, measurement and supervision in demanding low-voltage power-distribution systems. Part of the ABB SACE Emax 2 E4.2 series, this fixed breaker combines a 4000 A rated current with the advanced Ekip Hi-Touch LSI electronic trip unit.
The E4.2V performance level provides exceptional fault-interruption capability, with a rated ultimate short-circuit breaking capacity of up to 150 kA. Its Ekip Hi-Touch LSI trip unit provides long-time overload, selective short-time and instantaneous short-circuit protection, allowing protection characteristics to be coordinated with upstream and downstream devices throughout complex electrical distribution networks.
This version is a four-pole fixed air circuit breaker equipped with rear horizontal (FHR) terminals. The combination of a high-current E4.2 frame, V-level breaking performance and the sophisticated Ekip Hi-Touch platform makes the 1SDA071858R1 particularly suitable for major industrial switchboards, data centres, infrastructure and other critical power systems requiring dependable protection and advanced electrical monitoring.
Key Advantages
- High-performance ABB SACE Emax 2 E4.2V air circuit breaker for demanding low-voltage distribution systems.
- 4000 A rated current for high-current industrial and infrastructure applications.
- Exceptional 150 kA ultimate short-circuit breaking capacity.
- Ekip Hi-Touch LSI electronic trip unit provides advanced long-time, short-time and instantaneous protection.
- Advanced measurement, monitoring and power-quality functionality through the Ekip Hi-Touch platform.
- Configurable electronic protection supports selective coordination throughout complex distribution networks.
- Four-pole construction supports switching and protection in four-conductor systems.
- Fixed construction with rear horizontal terminals supports integration into high-current switchboards.
Key Features
- ABB SACE Emax 2 E4.2V series.
- 4000 A rated current.
- Four-pole configuration.
- Ekip Hi-Touch LSI electronic trip unit.
- Long-time overload protection.
- Selective short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Advanced measurement and monitoring capabilities.
- Network analysis and power-quality functionality associated with the Hi-Touch platform.
- 150 kA ultimate short-circuit breaking capacity.
- 100 kA rated short-time withstand capability for the E4.2V performance level.
- Fixed (F) execution.
- Rear horizontal (FHR) terminals.
- Designed for high-current low-voltage power-distribution applications.
Advanced Protection and Monitoring for Critical Power Distribution
High-current electrical systems require circuit breakers capable of safely interrupting severe fault currents while maintaining effective selectivity with other protective devices. The ABB E4.2V combines a 4000 A current rating with up to 150 kA ultimate breaking capacity, making the 1SDA071858R1 suitable for major incoming and distribution circuits where high prospective fault levels must be managed.
The Ekip Hi-Touch LSI trip unit extends conventional circuit protection with advanced measurement, monitoring and network-analysis capabilities. Its long-time, short-time and instantaneous protection functions can be coordinated with the wider electrical system, helping protect cables, busbars, transformers and other critical equipment while providing detailed information for modern energy-management and automation architectures.
Typical Applications
- Main incoming protection in high-current low-voltage switchboards.
- Industrial power-distribution systems.
- Large manufacturing and process facilities.
- Data centres and critical power infrastructure.
- Commercial and infrastructure electrical installations.
- Transformer and high-current feeder protection.
- Large electrical distribution assemblies.
- Power systems requiring advanced protection, measurement and network supervision.
Technical Specifications
| Series | SACE Emax 2 E4.2 |
|---|---|
| Order code / MPN | 1SDA071858R1 |
| Product type | Air circuit breaker (ACB) |
| Frame / performance level | E4.2V |
| Rated current | 4000 A |
| Number of poles | 4 |
| Trip unit | Ekip Hi-Touch LSI |
| Release technology | Electronic |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Rated ultimate short-circuit breaking capacity | 150 kA |
| Rated short-time withstand current | 100 kA |
| Execution | Fixed |
| Main terminals | Rear horizontal (FHR) |
| Frame size | E4.2 |
| Protection interface | Ekip Hi-Touch |
| Application | Power distribution |
Frequently Asked Questions
What is the ABB 1SDA071858R1 used for?
The ABB 1SDA071858R1 is an Emax 2 air circuit breaker designed for protection, switching and supervision of high-current low-voltage power-distribution systems in industrial, commercial and critical infrastructure applications.
What is the current rating of the ABB E4.2V 4000?
The ABB E4.2V 4000 has a rated current of 4000 A, making it suitable for high-current main and distribution circuits.
What protection does the Ekip Hi-Touch LSI trip unit provide?
The Ekip Hi-Touch LSI electronic trip unit provides long-time overload, selective short-time and instantaneous short-circuit protection, together with advanced measurement and monitoring functionality.
What is the breaking capacity of the ABB 1SDA071858R1?
The E4.2V performance level provides an ultimate short-circuit breaking capacity of up to 150 kA and a short-time withstand capability of 100 kA.
Is the ABB 1SDA071858R1 fixed or withdrawable?
The 1SDA071858R1 is a fixed four-pole air circuit breaker configured with rear horizontal (FHR) terminals for integration into low-voltage distribution switchboards.
Trusted Protection for Critical High-Current Systems
ABB SACE Emax 2 air circuit breakers combine exceptional fault-interruption performance, advanced electronic protection and sophisticated measurement capabilities to provide dependable protection and supervision for demanding low-voltage power-distribution systems.
