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1SDA057623R1 ABB E3H-A 2000 PR121/P-LI 2000 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057623R1 is a SACE Emax E3H-A 2000 A three-pole fixed air circuit breaker with a PR121/P-LI electronic trip unit providing long-time overload and instantaneous short-circuit protection.
£11,411.51
Why Choose the ABB E3H-A 2000 PR121/P-LI Air Circuit Breaker?
The ABB E3H-A 2000 PR121/P-LI, order code 1SDA057623R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in high-current low-voltage electrical distribution systems. This three-pole fixed configuration combines the robust E3H-A breaker platform with a PR121/P-LI electronic overcurrent release for dependable overload and short-circuit protection.
With a rated current of 2000 A, the E3H-A is suited to demanding industrial, commercial and infrastructure power distribution applications. Its LI protection functionality provides long-time protection against sustained overloads and instantaneous protection against severe short-circuit faults, helping safeguard switchgear, conductors and connected electrical equipment.
The fixed construction is designed for permanent installation within low-voltage switchboards and distribution assemblies. Combining a high-current Emax frame with electronic protection, the 1SDA057623R1 provides a reliable solution for main incomers, feeders and other critical power-distribution circuits.
Key Advantages
- High-current 2000 A SACE Emax air circuit breaker.
- PR121/P-LI electronic trip unit for dependable circuit protection.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
- Three-pole configuration for three-phase low-voltage distribution systems.
- Fixed execution for permanent switchboard installation.
- Proven ABB Emax platform for demanding industrial power distribution applications.
Key Features
- ABB SACE Emax E3H-A circuit breaker platform.
- 2000 A rated current.
- Three-pole construction.
- PR121/P-LI electronic overcurrent release.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- Fixed execution for switchboard installations.
- Designed for high-current low-voltage electrical distribution.
Reliable Protection for High-Current Distribution
Air circuit breakers such as the ABB SACE Emax E3H-A provide switching, isolation and fault protection for high-current low-voltage distribution circuits. Electronic trip technology monitors current conditions and initiates circuit interruption when the configured protection thresholds are exceeded.
The PR121/P-LI release combines long-time overload protection with instantaneous short-circuit protection. This makes the E3H-A 2000 suitable for electrical installations requiring robust protection of main distribution circuits, feeders and valuable downstream equipment.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming electrical distribution circuits.
- High-current distribution feeders.
- Manufacturing and process plants.
- Commercial and infrastructure power systems.
- Transformer and generator distribution systems.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB order code | 1SDA057623R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3H-A |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LI |
| Protection functions | Long-time and instantaneous (LI) |
| Execution | Fixed |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057623R1?
The ABB 1SDA057623R1 is a SACE Emax E3H-A three-pole fixed air circuit breaker rated at 2000 A and equipped with a PR121/P-LI electronic overcurrent release.
What protection does the PR121/P-LI release provide?
The PR121/P-LI provides long-time overload and instantaneous short-circuit protection, commonly identified as LI protection.
What is the rated current of the ABB E3H-A 2000?
This circuit breaker has a rated current of 2000 A, making it suitable for high-current low-voltage power distribution.
Is the ABB 1SDA057623R1 fixed or withdrawable?
This specific configuration is a fixed three-pole circuit breaker designed for permanent installation within a low-voltage switchboard.
Where is the ABB E3H-A 2000 typically used?
It is typically used in industrial and commercial low-voltage switchboards, main incoming circuits and high-current distribution systems requiring reliable electronic circuit protection.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers provide dependable switching and electronic circuit protection for demanding industrial, commercial and infrastructure low-voltage power distribution systems.
