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1SDA055925R1 ABB E2N 2000 PR122/P-LSIG 2000A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA055925R1 is a SACE Emax E2N 2000 A three-pole fixed air circuit breaker with a PR122/P-LSIG electronic overcurrent release for comprehensive high-current low-voltage power distribution protection.
£12,359.40
Why Choose the ABB 1SDA055925R1 E2N 2000 Air Circuit Breaker?
The ABB 1SDA055925R1 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-LSIG electronic overcurrent release, providing comprehensive 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-LSIG release provides long-time, short-time, instantaneous and earth-fault protection functions, helping coordinate protection against overloads, short circuits and earth-fault conditions throughout low-voltage distribution systems.
This model is supplied in a three-pole fixed configuration and is designed for permanent integration into compatible low-voltage switchgear. Its 2000 A current rating and E2N performance class make it particularly suitable for main incoming protection and other high-current distribution duties where reliable circuit interruption and selective protection are essential.
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-LSIG electronic overcurrent release.
- LSIG functionality provides long-time, short-time, instantaneous and earth-fault protection.
- Part of ABB's established SACE Emax E2N air circuit breaker platform.
Key Features
- ABB SACE Emax E2N 2000 air circuit breaker.
- 2000 A rated current.
- Three-pole circuit breaker configuration.
- Fixed (F) version.
- PR122/P-LSIG electronic trip unit.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Integrated earth-fault protection.
- Designed for high-current low-voltage power distribution.
Comprehensive LSIG Protection for High-Current 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 conditions and initiates breaker operation when configured protection thresholds are exceeded, helping protect switchgear, conductors and connected electrical equipment against damaging overload, short-circuit and earth-fault currents.
The PR122/P-LSIG release gives this E2N 2000 long-time, short-time, instantaneous and earth-fault protection capabilities for effective coordination within electrical distribution systems. Combined with its 2000 A rating, three-pole arrangement and fixed construction, the ABB 1SDA055925R1 provides a robust protection solution for 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 | 1SDA055925R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E2N 2000 |
| Rated current (In) | 2000 A |
| Number of poles | 3 |
| Version | Fixed (F) |
| Trip unit | PR122/P-LSIG |
| Release type | Electronic |
| Protection functions | Long-time, short-time, instantaneous and earth-fault (LSIG) |
| Integrated earth-fault protection | Yes |
| Short-circuit performance level | N |
Frequently Asked Questions
What is the ABB 1SDA055925R1?
The ABB 1SDA055925R1 is a SACE Emax E2N 2000 three-pole fixed air circuit breaker rated at 2000 A and equipped with a PR122/P-LSIG electronic overcurrent release.
What protection functions does the PR122/P-LSIG release provide?
The PR122/P-LSIG provides long-time, short-time, instantaneous and earth-fault protection, collectively identified as LSIG protection.
What is the rated current of the ABB 1SDA055925R1?
The ABB 1SDA055925R1 has a rated current of 2000 A, making it suitable for high-current low-voltage distribution applications.
Is the ABB 1SDA055925R1 fixed or withdrawable?
The ABB 1SDA055925R1 is a fixed (F) air circuit breaker intended for permanent installation within compatible low-voltage switchgear.
Does the ABB 1SDA055925R1 provide earth-fault protection?
Yes. Its PR122/P-LSIG electronic release provides earth-fault protection in addition to long-time, short-time and instantaneous overcurrent protection.
Where is the ABB E2N 2000 typically used?
The E2N 2000 is suited to applications including main incoming protection, high-current feeders, transformer secondary protection and industrial low-voltage switchboards.
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.
