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1SDA055924R1 ABB E2N 2000 PR122/P-LSI 2000A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA055924R1 is a SACE Emax E2N 2000 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LSI electronic overcurrent release for high-current low-voltage power distribution protection.
£11,416.13
Why Choose the ABB 1SDA055924R1 E2N 2000 Air Circuit Breaker?
The ABB 1SDA055924R1 is a SACE Emax E2N 2000 air circuit breaker (ACB) designed for dependable switching and protection in high-current low-voltage power distribution systems. This three-pole fixed circuit breaker combines a 2000 A rated current with ABB's PR122/P-LSI electronic overcurrent release, providing configurable protection for demanding industrial, commercial and infrastructure electrical installations.
As part of the ABB SACE Emax range, the E2N 2000 is engineered for protection of switchboards, distribution networks, transformers and high-current feeders. The PR122/P-LSI release provides long-time, short-time and instantaneous protection functions, helping coordinate protection against sustained overloads and short-circuit conditions throughout low-voltage distribution systems.
This model is supplied in a three-pole fixed configuration with rear horizontal terminals. It has a rated uninterrupted current of 2000 A, a rated operational voltage of 690 V AC, an ultimate short-circuit breaking capacity of 65 kA at 415 V AC and a short-time withstand current of 55 kA for 1 s, providing robust performance for high-current switchgear applications.
Key Advantages
- High-capacity 2000 A air circuit breaker for demanding low-voltage power distribution.
- Three-pole configuration for three-phase electrical systems.
- Fixed (F) construction for permanent switchboard installation.
- Advanced PR122/P-LSI electronic overcurrent release.
- LSI functionality provides long-time, short-time and instantaneous protection.
- 65 kA ultimate short-circuit breaking capacity at 415 V AC for high-fault-level distribution systems.
Key Features
- ABB SACE Emax E2N 2000 air circuit breaker.
- 2000 A rated uninterrupted current.
- Three-pole circuit breaker configuration.
- Fixed (F) version.
- Rear horizontal terminals for main circuit connection.
- PR122/P-LSI electronic trip unit.
- Long-time overload protection.
- Short-time and instantaneous short-circuit protection.
- 690 V AC rated operational voltage.
- Fitted with four auxiliary contacts and open/closed position indication.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E2N provide switching, isolation and automatic overcurrent protection for high-current low-voltage distribution circuits. The electronic trip unit monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping protect switchgear, conductors and connected electrical equipment against damaging overload and short-circuit conditions.
The PR122/P-LSI release gives this E2N 2000 long-time, short-time and instantaneous protection capabilities for effective coordination within electrical distribution systems. Combined with its 2000 A rating, three-pole arrangement, fixed construction, rear horizontal terminals and high short-circuit performance, the ABB 1SDA055924R1 is well suited to demanding high-current switchboard installations.
Typical Applications
- Industrial low-voltage switchboards and distribution panels.
- Main incoming circuit protection.
- High-current three-phase distribution feeders.
- Transformer secondary circuit protection.
- Manufacturing plants and process facilities.
- Commercial and infrastructure power distribution systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code / MPN | 1SDA055924R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E2N 2000 |
| Rated current (In) | 2000 A |
| Rated uninterrupted current (Iu) | 2000 A |
| Rated operational current (Ie) | 2000 A |
| Number of poles | 3 |
| Version | Fixed (F) |
| Main circuit connection | Rear flat horizontal terminals |
| Trip unit | PR122/P-LSI |
| Release type | Electronic |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Ultimate short-circuit breaking capacity (Icu) at 400/415 V AC | 65 kA |
| Service short-circuit breaking capacity (Ics) at 400/415 V AC | 65 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 55 kA |
| Service short-circuit breaking capacity (Ics) at 690 V AC | 55 kA |
| Short-time withstand current (Icw), 1 s | 55 kA |
| Short-time withstand current (Icw), 3 s | 42 kA |
| Short-circuit performance level | N |
| Mechanical durability | 25,000 cycles |
| Power loss | 180 W |
| Standard | IEC |
| Product net dimensions (W × H × D) | 296 × 418 × 302 mm |
| Product net weight | 45 kg |
| EAN | 8015644572648 |
Frequently Asked Questions
What is the ABB 1SDA055924R1?
The ABB 1SDA055924R1 is a SACE Emax E2N 2000 three-pole fixed air circuit breaker rated at 2000 A and equipped with a PR122/P-LSI electronic overcurrent release.
What protection functions does the PR122/P-LSI release provide?
The PR122/P-LSI provides long-time, short-time and instantaneous protection, collectively identified as LSI protection.
What is the rated current of the ABB 1SDA055924R1?
The ABB 1SDA055924R1 has a rated uninterrupted current of 2000 A, making it suitable for high-current low-voltage distribution applications.
Is the ABB 1SDA055924R1 fixed or withdrawable?
The ABB 1SDA055924R1 is a fixed (F) circuit breaker with rear horizontal terminals for permanent integration into suitable low-voltage switchgear.
What is the breaking capacity of the ABB E2N 2000?
The E2N 2000 provides an ultimate short-circuit breaking capacity of 65 kA at 400/415 V AC and 55 kA at 690 V AC.
What is the short-time withstand current of the ABB E2N 2000?
The E2N 2000 has a rated short-time withstand current of 55 kA for 1 s and 42 kA for 3 s, supporting selective protection in high-current distribution systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage power distribution systems, supporting industrial, commercial and infrastructure installations where reliable high-current circuit protection is essential.
