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1SDA056455R1 ABB E3H2000 PR123/P-LSIG 2000A 3P Withdrawable Air Circuit Breaker
ABB 1SDA056455R1 E3H2000 is a 2000 A three-pole withdrawable SACE Emax air circuit breaker moving part with a PR123/P-LSIG R2000 electronic release providing advanced LSIG protection for high-current low-voltage power distribution systems.
£20,269.61
Why Choose the ABB E3H2000 PR123/P-LSIG 2000A 3P Withdrawable Air Circuit Breaker?
The ABB E3H2000 PR123/P-LSIG, order code 1SDA056455R1, is a high-performance 2000 A three-pole air circuit breaker moving part from the ABB SACE Emax E3 series, designed for switching and protection in demanding low-voltage industrial and commercial power distribution systems. This E3H configuration combines withdrawable switchgear flexibility with the advanced PR123/P-LSIG R2000 electronic overcurrent release.
The PR123/P-LSIG electronic release provides long-time, short-time, instantaneous and ground-fault protection, helping protect cables, busbars, transformers and connected equipment against overloads, short circuits and earth faults. The PR123/P platform is designed for applications requiring advanced electronic protection, measurement and supervision capabilities.
With a rated current of 2000 A and a three-pole configuration, the E3H2000 is suited to substantial three-phase distribution loads requiring dependable switching, selective protection and high fault-clearing performance. The withdrawable moving-part design is intended for use with a compatible SACE Emax fixed part and is equipped with four auxiliary contacts plus circuit-breaker open/closed position indication.
Key Advantages
- High-performance ABB SACE Emax E3H air circuit breaker moving part.
- 2000 A rated current for high-current low-voltage power distribution.
- Three-pole configuration for three-phase electrical networks.
- PR123/P-LSIG R2000 electronic release provides comprehensive LSIG protection.
- Withdrawable moving-part construction supports convenient inspection, servicing and replacement.
- Equipped with four auxiliary contacts and open/closed position indication for switchboard signalling.
Key Features
- ABB SACE Emax E3H2000 circuit breaker platform.
- 2000 A rated current.
- 3-pole configuration.
- PR123/P-LSIG R2000 electronic overcurrent release.
- LSIG protection: long-time, short-time, instantaneous and ground-fault functions.
- Withdrawable moving-part version for compatible SACE Emax switchgear.
- Four auxiliary contacts for signalling and control.
- Circuit-breaker open/closed position indication.
- E3H high-performance design for demanding low-voltage distribution applications.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H2000 provide switching, isolation and electronic overcurrent protection for high-current low-voltage electrical systems. The PR123/P-LSIG release monitors circuit conditions and initiates tripping according to configured protection thresholds when overload, short-circuit or ground-fault conditions occur.
The withdrawable SACE Emax construction is particularly suitable for switchboards where maintainability and operational flexibility are important. Its three-pole design, advanced PR123/P release, comprehensive LSIG protection and auxiliary signalling contacts make the E3H2000 suitable for main distribution boards, industrial switchgear and other critical power distribution applications.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Main incomer and outgoing feeder protection.
- Transformer secondary protection.
- Manufacturing and process facilities.
- Withdrawable switchgear requiring advanced LSIG protection.
Technical Specifications
| Series | SACE Emax E3 |
|---|---|
| ABB order code | 1SDA056455R1 |
| EAN | 8015644577957 |
| Product type | Air circuit breaker moving part |
| Performance level | H |
| Rated current (In) | 2000 A |
| Number of poles | 3P |
| Version | Withdrawable moving part |
| Release | PR123/P-LSIG R2000 |
| Release type | Electronic overcurrent release |
| Protection functions | L, S, I, G |
| Overload release setting range | 400–2000 A |
| Short-time short-circuit release setting range | 1200–20000 A |
| Instantaneous short-circuit release setting range | 3000–30000 A |
| Integrated ground-fault protection | Yes |
| Protection rating | IP20 |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Motor operator | Optional |
| Net weight | 77 kg |
Frequently Asked Questions
What is the ABB 1SDA056455R1 used for?
It is a 2000 A three-pole SACE Emax air circuit breaker moving part designed for switching and protecting high-current low-voltage power distribution circuits.
What protection release is fitted to the ABB E3H2000?
The breaker is fitted with an ABB PR123/P-LSIG R2000 electronic overcurrent release, providing long-time, short-time, instantaneous and ground-fault protection.
What is the rated current of ABB 1SDA056455R1?
The E3H2000 configuration has a rated current of 2000 A and uses a three-pole arrangement.
Is the ABB 1SDA056455R1 fixed or withdrawable?
The 1SDA056455R1 is a withdrawable moving-part version designed for use with a compatible ABB SACE Emax fixed part.
What protection functions does the PR123/P-LSIG provide?
The PR123/P-LSIG provides L, S, I and G protection functions for long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection.
Trusted Protection from ABB SACE
ABB SACE Emax air circuit breakers are engineered for demanding low-voltage power distribution applications, combining advanced electronic protection, high-current switching capability and withdrawable switchgear flexibility for industrial and commercial electrical systems.
