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1SDA071779R1 ABB E4.2N 3200 Ekip Hi-Touch LSIG 4p FHR Air Circuit Breaker
ABB 1SDA071779R1 E4.2N 3200 Ekip Hi-Touch LSIG four-pole fixed air circuit breaker with a 3200 A rated current, 690 V AC rated operational voltage and 66 kA breaking capacity at 400/415 V AC.
£16,166.64
Why Choose the ABB E4.2N 3200 Ekip Hi-Touch LSIG 4p FHR Air Circuit Breaker?
The ABB E4.2N 3200 Ekip Hi-Touch LSIG 4p FHR, order code 1SDA071779R1, is a high-performance four-pole Emax 2 air circuit breaker designed for protection, switching and advanced supervision of demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax 2 E4.2 series, it combines a 3200 A rated current with the sophisticated Ekip Hi-Touch LSIG electronic trip unit.
The E4.2N performance level provides a rated ultimate short-circuit breaking capacity of 66 kA across its principal AC operating-voltage range, including 400/415 V AC. The Ekip Hi-Touch LSIG trip unit provides adjustable long-time overload, selective short-time, instantaneous short-circuit and earth-fault protection, enabling comprehensive protection and coordination in complex electrical networks.
This model is a four-pole fixed circuit breaker with rear horizontal terminals and a rated operational voltage of up to 690 V AC. Combining high-current switching performance with advanced electronic protection, the 1SDA071779R1 is suited to industrial switchboards, critical infrastructure, data centres and other installations requiring dependable protection and sophisticated power-system management.
Key Advantages
- Advanced ABB SACE Emax 2 air circuit breaker for high-current low-voltage distribution.
- 3200 A rated uninterrupted current for demanding industrial and infrastructure systems.
- 66 kA ultimate breaking capacity at 400/415 V AC for dependable short-circuit protection.
- Ekip Hi-Touch LSIG electronic trip unit provides comprehensive adjustable circuit protection.
- Long-time, selective short-time, instantaneous and earth-fault protection functions.
- Advanced Ekip Hi-Touch platform supports measurement, monitoring and power-management applications.
- Four-pole configuration supports switching and protection across four conductors.
- Fixed construction with rear horizontal terminals for integration into low-voltage switchboards.
Key Features
- ABB SACE Emax 2 E4.2N series.
- 3200 A rated current.
- Four-pole configuration.
- Ekip Hi-Touch LSIG electronic trip unit.
- Long-time overload protection adjustable from 0.4–1 × In.
- Selective short-circuit protection adjustable from 0.6–10 × In.
- Instantaneous short-circuit protection adjustable from 1.5–15 × In.
- Earth-fault protection adjustable from 0.1–1 × In.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 66 kA Icu at 400/415 V AC.
- 66 kA rated short-time withstand current for 1 s.
- Fixed (F) execution.
- Rear horizontal terminals for switchboard connection.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB E4.2N protect high-current low-voltage networks against overloads, short circuits and earth faults while providing the switching capability required for major distribution circuits. The combination of a 3200 A current rating, 66 kA breaking capacity and configurable LSIG protection enables the 1SDA071779R1 to support selective coordination and continuity of service in demanding electrical installations.
The Ekip Hi-Touch LSIG trip unit extends conventional circuit protection with advanced electronic functionality for modern power-distribution systems. Adjustable protection thresholds allow the breaker to be coordinated with upstream and downstream equipment, while dedicated earth-fault protection provides an additional layer of protection for installations where rapid detection of ground faults is essential.
Typical Applications
- Main incoming protection in low-voltage switchboards.
- Industrial power-distribution systems.
- Large manufacturing and process plants.
- Commercial and infrastructure electrical installations.
- Data centres and critical power systems.
- Transformer and distribution feeder protection.
- High-current electrical distribution assemblies.
- Power-management and monitored electrical networks.
Technical Specifications
| Series | SACE Emax 2 E4.2 |
|---|---|
| Order code / MPN | 1SDA071779R1 |
| Product type | Air circuit breaker (ACB) |
| Frame / performance level | E4.2N |
| Rated uninterrupted current (Iu) | 3200 A |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Frequency | 50 / 60 Hz |
| Number of poles | 4 |
| Trip unit | Ekip Hi-Touch LSIG |
| Protection functions | Long-time, short-time, instantaneous and earth-fault (LSIG) |
| Overload protection adjustment | 0.4–1 × In |
| Selective short-circuit protection adjustment | 0.6–10 × In |
| Instantaneous short-circuit protection adjustment | 1.5–15 × In |
| Earth-fault protection adjustment | 0.1–1 × In |
| Rated ultimate short-circuit breaking capacity (Icu) at 380 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 400/415 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500/525 V AC | 66 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 66 kA |
| Rated short-time withstand current (Icw), 1 s | 66 kA |
| Execution | Fixed |
| Main terminals | Rear horizontal (FHR) |
Frequently Asked Questions
What is the ABB 1SDA071779R1 used for?
The ABB 1SDA071779R1 is an Emax 2 air circuit breaker designed for protection and switching of high-current low-voltage power-distribution systems in industrial, commercial and critical infrastructure applications.
What is the current rating of the ABB E4.2N 3200?
This E4.2N circuit breaker has a rated uninterrupted current of 3200 A.
What protection does the Ekip Hi-Touch LSIG trip unit provide?
The Ekip Hi-Touch LSIG trip unit provides adjustable long-time overload, selective short-time, instantaneous short-circuit and earth-fault protection.
What is the breaking capacity of the ABB 1SDA071779R1?
The E4.2N 3200 has a rated ultimate short-circuit breaking capacity of 66 kA at 400/415 V AC, with a 66 kA Icu rating across the specified range from 380 V AC to 690 V AC.
Is the ABB 1SDA071779R1 fixed or withdrawable?
The 1SDA071779R1 is a fixed four-pole air circuit breaker equipped with rear horizontal terminals for integration into low-voltage switchboards.
Trusted Protection for Critical Power Systems
ABB SACE Emax 2 air circuit breakers combine high-current switching performance, advanced electronic protection and flexible power-system management capabilities to provide dependable protection for demanding low-voltage electrical distribution networks.
