Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA071832R1 ABB E4.2S 4000 Ekip Dip LSI 4P FHR Air Circuit Breaker
ABB 1SDA071832R1 is a SACE Emax 2 E4.2S 4000 A four-pole fixed air circuit breaker with rear horizontal terminals and an Ekip Dip LSI electronic trip unit for reliable low-voltage power distribution protection.
£21,575.02
Why Choose the ABB 1SDA071832R1 Emax 2 Air Circuit Breaker?
The ABB 1SDA071832R1 is a high-performance SACE Emax 2 E4.2S air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. Configured as an E4.2S 4000 Ekip Dip LSI 4p FHR, it combines a rated uninterrupted current of 4000 A with ABB's Ekip Dip LSI solid-state electronic trip unit.
This four-pole fixed circuit breaker provides comprehensive LSI protection functions, covering long-time overload, selective short-time short-circuit and instantaneous short-circuit protection. Protection settings are configured using DIP switches, providing straightforward adjustment for power distribution applications requiring reliable electronic protection and selective fault coordination.
With an E4.2S performance level, the 1SDA071832R1 provides a rated ultimate short-circuit breaking capacity of 85 kA at 380–440 V AC and 66 kA at 500–690 V AC. Its fixed four-pole construction features rear horizontal terminals, four auxiliary contacts and circuit-breaker open/closed position indication.
Key Advantages
- High-performance ABB SACE Emax 2 E4.2S air circuit breaker for demanding low-voltage distribution systems.
- 4000 A rated uninterrupted current for high-current electrical installations.
- 85 kA ultimate short-circuit breaking capacity at 380–440 V AC.
- 66 kA short-time withstand current for 1 s and 3 s.
- Ekip Dip LSI electronic trip unit provides adjustable long-time, short-time and instantaneous protection.
- Four-pole fixed configuration with rear horizontal terminals for switchboard integration.
Key Features
- ABB SACE Emax 2 E4.2S series.
- 4000 A rated uninterrupted current (Iu).
- Four-pole configuration with 100% neutral pole current capability.
- Fixed mounting construction.
- Rear flat horizontal terminals (FHR).
- Ekip Dip LSI solid-state electronic trip unit.
- LSI protection for long-time overload, selective short-time short-circuit and instantaneous short-circuit conditions.
- 690 V AC rated operational voltage.
- 85 kA Icu at 400–440 V AC and 66 kA Icu at 500–690 V AC.
- Suitable for 690 V IT networks.
High-Performance Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage electrical networks against overloads and short circuits while providing switching and isolation functions within power distribution assemblies. The E4.2S frame combines a 4000 A continuous-current rating with substantial short-circuit interruption and withstand capability for demanding industrial, commercial and infrastructure installations.
The Ekip Dip LSI electronic trip unit provides adjustable long-time overload, selective short-time short-circuit and instantaneous short-circuit protection, with settings configured through DIP switches. Combined with the robust Emax 2 architecture, the 1SDA071832R1 provides dependable protection for main distribution switchboards, high-current feeders and electrical systems requiring configurable fault protection and selective coordination.
Typical Applications
- Main incoming protection for low-voltage switchboards.
- Industrial power distribution systems.
- High-current feeder protection.
- Manufacturing and process industry electrical systems.
- Commercial and infrastructure power distribution.
- Installations requiring configurable short-circuit selectivity.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| Frame | E4.2S |
| ABB order code | 1SDA071832R1 |
| Product type | Air circuit breaker |
| Rated current (In) | 4000 A |
| Rated uninterrupted current (Iu) | 4000 A |
| Number of poles | 4 |
| Neutral pole current | 100% of Iu |
| Trip unit | Ekip Dip LSI |
| Release type | Solid-state electronic |
| Protection functions | LSI |
| Overload protection adjustment | 0.4–1 × In |
| Short-time protection adjustment | 0.6–10 × In |
| Instantaneous protection adjustment | 1.5–15 × In |
| Rated operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Frequency | 50/60 Hz |
| Rated ultimate short-circuit breaking capacity (Icu) at 380–440 V AC | 85 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500–690 V AC | 66 kA |
| Rated service short-circuit breaking capacity (Ics) | 100% of Icu |
| Rated short-time withstand current (Icw), 1 s | 66 kA |
| Rated short-time withstand current (Icw), 3 s | 66 kA |
| Mounting version | Fixed |
| Terminal arrangement | Rear flat horizontal |
| Auxiliary contacts | 4 |
| Power loss | 465 W |
| Product net width | 510 mm |
| Product net height | 371 mm |
| Product net depth | 270 mm |
| Product net weight | 70 kg |
| EAN | 8015644756826 |
| Standard | IEC 60947-2 |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA071832R1 used for?
The ABB 1SDA071832R1 is a 4000 A four-pole air circuit breaker designed for protection and switching in high-current low-voltage power distribution systems.
What trip unit is fitted to the ABB 1SDA071832R1?
The circuit breaker is fitted with an Ekip Dip LSI solid-state electronic trip unit with DIP-switch adjustment for configurable overload and short-circuit protection.
What protection functions does the Ekip Dip LSI provide?
The LSI configuration provides long-time overload, selective short-time short-circuit and instantaneous short-circuit protection.
What is the current rating of the ABB 1SDA071832R1?
The E4.2S circuit breaker has a rated uninterrupted current of 4000 A.
What is the breaking capacity of this Emax 2 circuit breaker?
The E4.2S 4000 configuration has a rated ultimate short-circuit breaking capacity of 85 kA at 380–440 V AC and 66 kA at 500–690 V AC.
Is the ABB 1SDA071832R1 fixed or withdrawable?
This model is a fixed four-pole circuit breaker equipped with rear flat horizontal terminals.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers are engineered for reliable protection and switching of demanding low-voltage electrical networks, combining high current-carrying capability, robust fault interruption performance and configurable electronic protection for industrial, commercial and infrastructure power distribution systems.
