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1SDA055831R1 ABB E2B 2000 PR123/P-LSIG 2000 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA055831R1 E2B 2000 PR123/P-LSIG is a 2000 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR123/P-LSIG R2000 electronic trip unit providing long-time, short-time, instantaneous and earth-fault protection.
£17,177.32
Why Choose the ABB E2B 2000 PR123/P-LSIG Air Circuit Breaker?
The ABB E2B 2000 PR123/P-LSIG, order code 1SDA055831R1, is a high-performance 2000 A three-pole fixed air circuit breaker designed for switching and comprehensive protection in low-voltage power distribution systems. As part of the ABB SACE Emax series, it combines robust high-current switching capability with the advanced PR123/P-LSIG electronic overcurrent release for demanding industrial, commercial and infrastructure installations.
The PR123/P-LSIG R2000 electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. Its advanced protection and measurement capabilities support effective system coordination, monitoring and reliable operation in sophisticated low-voltage distribution networks.
With a rated current of 2000 A, a three-pole fixed configuration and rear horizontal terminals, the E2B 2000 is designed for permanent installation in compatible low-voltage switchboards. The breaker is also equipped with four auxiliary contacts and open/closed circuit-breaker position indication, supporting integration with control and monitoring systems.
Key Advantages
- Heavy-duty 2000 A air circuit breaker for low-voltage power distribution.
- PR123/P-LSIG electronic trip unit for advanced protection and monitoring.
- Provides long-time, short-time, instantaneous and earth-fault protection.
- Three-pole fixed construction for permanent switchboard installation.
- Rear horizontal terminals support integration with switchboard busbar systems.
- Four auxiliary contacts support signalling, monitoring and control functions.
Key Features
- ABB SACE Emax E2B series.
- 2000 A rated current.
- Three-pole configuration.
- Fixed-mounted circuit breaker.
- PR123/P-LSIG R2000 electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Integrated earth-fault protection.
- Advanced protection and measurement functionality.
- Rear horizontal terminals.
- Four auxiliary contacts and open/closed position indication.
Advanced Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E2B provide high-current switching and protection for low-voltage distribution networks. Electronic trip technology monitors electrical conditions and commands breaker operation when configured protection thresholds are exceeded, helping protect cables, busbars and connected equipment against damaging overloads and short circuits.
The PR123/P-LSIG release combines long-time, short-time and instantaneous overcurrent protection with earth-fault protection and advanced monitoring capabilities. Together with the fixed E2B 2000 construction, this makes the 1SDA055831R1 particularly suitable for installations requiring comprehensive protection, high-current switching and effective integration with modern electrical distribution systems.
Typical Applications
- Industrial low-voltage switchboards.
- Main power distribution panels.
- Manufacturing and process plants.
- Commercial and infrastructure electrical distribution.
- Transformer secondary distribution systems.
- High-current feeder and distribution circuit protection.
Technical Specifications
| Series | SACE Emax E2B |
|---|---|
| ABB order code | 1SDA055831R1 |
| EAN | 8015644571719 |
| Product type | Air circuit breaker |
| Rated current | 2000 A |
| Number of poles | 3 |
| Execution | Fixed |
| Terminal arrangement | Rear horizontal terminals |
| Trip unit | PR123/P-LSIG R2000 |
| Protection functions | LSIG – long-time, short-time, instantaneous and earth-fault protection |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Weight | approx. 55 kg |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA055831R1 used for?
It is a 2000 A three-pole air circuit breaker designed for switching and comprehensive overcurrent and earth-fault protection in low-voltage power distribution systems.
What is the rated current of the ABB E2B 2000 PR123/P-LSIG?
The circuit breaker has a rated current of 2000 A.
What protection functions does the PR123/P-LSIG provide?
The PR123/P-LSIG electronic release provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection.
Is the ABB 1SDA055831R1 fixed or withdrawable?
This model is a three-pole fixed air circuit breaker equipped with rear horizontal terminals for permanent installation in a compatible low-voltage switchboard.
What signalling features are fitted to the ABB 1SDA055831R1?
The circuit breaker is fitted with four auxiliary contacts and open/closed circuit-breaker position indication for integration with signalling, monitoring and control systems.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for dependable high-current switching and comprehensive protection in demanding low-voltage power distribution systems, combining robust construction with advanced electronic protection and monitoring capabilities.
