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1SDA071789R1 ABB E4.2S 3200 Ekip Hi-Touch LSIG 4p FHR Air Circuit Breaker
ABB 1SDA071789R1 Emax 2 E4.2S 3200 is a 3200 A four-pole fixed air circuit breaker with Ekip Hi-Touch LSIG electronic protection for demanding low-voltage power distribution systems.
£18,023.06
Why Choose the ABB E4.2S 3200 Ekip Hi-Touch LSIG 4p FHR Air Circuit Breaker?
The ABB E4.2S 3200 Ekip Hi-Touch LSIG 4p FHR, order code 1SDA071789R1, is a high-performance four-pole air circuit breaker (ACB) designed for protection, control and isolation in demanding low-voltage power distribution systems. As part of the advanced ABB SACE Emax 2 series, it combines a rated current of 3200 A with sophisticated electronic protection and high short-circuit breaking performance.
This Emax 2 circuit breaker incorporates the Ekip Hi-Touch LSIG electronic trip unit, providing long-time overload, short-time selective short-circuit, instantaneous short-circuit and earth-fault protection. The advanced trip unit supports precise protection of electrical distribution systems while helping operators monitor and manage critical power infrastructure.
The E4.2S 3200 is a fixed, four-pole breaker with rear horizontal terminals. It has a rated operational voltage of up to 690 V AC, a rated insulation voltage of 1000 V AC and an ultimate short-circuit breaking capacity of up to 85 kA at 400–440 V AC, making it suitable for major industrial switchboards, infrastructure and commercial power distribution installations.
Key Advantages
- High-capacity 3200 A air circuit breaker for demanding low-voltage distribution systems.
- Four-pole configuration provides switching and protection across all four poles.
- Advanced Ekip Hi-Touch LSIG electronic protection for comprehensive circuit protection.
- High short-circuit performance with up to 85 kA breaking capacity at 400–440 V AC.
- Fixed installation design for integration into low-voltage switchboards.
- Rear horizontal terminals simplify integration into high-current busbar systems.
- Part of the ABB SACE Emax 2 platform for modern power distribution and energy management.
Key Features
- ABB SACE Emax 2 E4.2S air circuit breaker.
- 3200 A rated current.
- 4-pole configuration with 100% neutral pole current capability.
- Ekip Hi-Touch LSIG electronic trip unit.
- Long-time, short-time, instantaneous and earth-fault protection functions.
- 690 V AC rated operational voltage.
- 1000 V AC rated insulation voltage.
- 12 kV rated impulse withstand voltage in accordance with IEC 60947-2.
- Fixed version with rear horizontal terminals.
- Designed for high-performance industrial and commercial power distribution.
Advanced Circuit Protection for Power Distribution
Air circuit breakers such as the ABB Emax 2 E4.2S provide protection and switching for high-current low-voltage electrical networks. By detecting overloads, short circuits and earth faults, the breaker can isolate abnormal conditions before they cause extensive damage to cables, switchgear and connected equipment.
The Ekip Hi-Touch LSIG trip unit provides advanced electronic protection functionality for demanding power distribution applications. Combined with the Emax 2 platform's high breaking capacity and robust construction, this makes the 1SDA071789R1 suitable for critical switchboards where dependable protection, selectivity and system availability are important.
Typical Applications
- Industrial low-voltage main distribution switchboards.
- Manufacturing plants and production facilities.
- Commercial building electrical distribution systems.
- Data centres and critical power infrastructure.
- Utilities and infrastructure installations.
- Generator and transformer distribution systems.
- High-current incoming and feeder protection.
- Power distribution panels requiring advanced LSIG protection.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Order code / Product ID | 1SDA071789R1 |
| Product type | Air circuit breaker |
| Frame / subtype | E4.2S |
| Rated current | 3200 A |
| Number of poles | 4 |
| Current type | AC |
| Rated operational voltage | up to 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Ultimate short-circuit breaking capacity (Icu) | 85 kA at 400–440 V AC; 66 kA at 500–690 V AC |
| Service short-circuit breaking capacity (Ics) | 85 kA at 380–440 V AC; 66 kA at 500–690 V AC |
| Rated short-time withstand current (Icw) | 66 kA for 1 s / 3 s |
| Trip unit | Ekip Hi-Touch LSIG |
| Protection functions | Long-time (L), short-time (S), instantaneous (I) and earth-fault (G) |
| Installation version | Fixed |
| Terminal configuration | Rear horizontal |
| Main circuit connection | Bolted |
| Neutral pole current | 100% of rated current |
| Electrical durability | 7000 operating cycles |
| Mechanical durability | 20,000 operating cycles |
| Power loss | 425 W |
| Product dimensions (W × H × D) | 510 × 371 × 270 mm |
| Product net weight | 70 kg |
| EAN | 8015644756390 |
| Standard | IEC 60947-2 |
Frequently Asked Questions
What is the ABB 1SDA071789R1 used for?
The ABB 1SDA071789R1 is a 3200 A four-pole air circuit breaker used for protection, switching and isolation in high-current low-voltage power distribution systems.
What protection functions does the Ekip Hi-Touch trip unit provide?
The Ekip Hi-Touch LSIG trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection.
What is the breaking capacity of the ABB E4.2S 3200?
The E4.2S version provides an ultimate short-circuit breaking capacity of up to 85 kA at 400–440 V AC and 66 kA at 500–690 V AC.
Is the 1SDA071789R1 a fixed or withdrawable circuit breaker?
The 1SDA071789R1 is a fixed-version circuit breaker equipped with rear horizontal terminals for integration into low-voltage switchboards.
How many poles does this Emax 2 circuit breaker have?
This model is a four-pole air circuit breaker with a rated current of 3200 A and 100% neutral pole current capability.
Trusted for Critical Power Distribution
ABB SACE Emax 2 air circuit breakers are engineered for reliable protection, control and management of low-voltage electrical systems, combining high breaking performance with advanced electronic protection for demanding industrial and infrastructure applications.
