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1SDA057527R1 ABB E3S-A 2500 PR121/P-LI 2500 A 3-Pole Fixed Circuit Breaker
ABB 1SDA057527R1 is a SACE Emax E3S-A 2500 A three-pole fixed air circuit breaker with a PR121/P-LI electronic overcurrent release providing long-time and instantaneous protection for high-current low-voltage power distribution systems.
£11,828.49
Why Choose the ABB 1SDA057527R1 E3S-A 2500 Circuit Breaker?
The ABB 1SDA057527R1 is a high-performance SACE Emax E3S-A air circuit breaker designed for reliable protection and switching of high-current low-voltage electrical distribution systems. Rated at 2500 A, this three-pole fixed circuit breaker incorporates a PR121/P-LI electronic overcurrent release providing long-time and instantaneous protection.
As part of the proven ABB SACE Emax series, the E3S-A 2500 combines robust switching technology with electronic protection for industrial switchboards, power distribution panels and critical electrical infrastructure. The PR121/P trip unit provides essential overcurrent protection functions while the Emax platform delivers dependable switching performance for demanding power distribution applications.
This configuration is a three-pole fixed circuit breaker with a 2500 A rated current and PR121/P-LI protection. Its fixed construction makes it suitable for permanent installation in electrical switchboards where reliable high-current protection, isolation and switching are required.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2500 A rated current for high-current industrial applications.
- PR121/P-LI electronic trip unit for reliable overcurrent protection.
- Provides long-time and instantaneous protection.
- Three-pole fixed configuration for permanent switchboard installation.
- Electronic protection helps safeguard cables, busbars and distribution equipment.
- Robust Emax construction for demanding industrial electrical systems.
- Suitable for main incomer, feeder and high-current distribution applications.
Key Features
- ABB SACE Emax E3S-A series.
- 2500 A rated current.
- Three-pole circuit breaker.
- Fixed execution.
- PR121/P-LI electronic overcurrent release.
- Long-time (L) and instantaneous (I) protection functions.
- Electronic trip technology for accurate circuit protection.
- Designed for high-current low-voltage switchboards.
- Suitable for industrial and commercial power distribution.
- Robust SACE Emax switching platform.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3S-A protect low-voltage distribution systems against damaging overload and short-circuit conditions while also providing controlled switching and isolation. Their high current capacity and robust construction make them particularly suitable for main distribution boards, industrial switchgear and other installations carrying substantial electrical loads.
The PR121/P-LI electronic release provides long-time protection against sustained overload conditions and instantaneous protection against severe short-circuit currents. Combined with the established Emax switching platform, these functions provide dependable protection for important industrial and commercial power distribution systems.
Typical Applications
- Main low-voltage electrical distribution boards.
- Industrial power distribution systems.
- Factory and manufacturing switchgear.
- Commercial and infrastructure electrical installations.
- Transformer secondary protection and distribution.
- High-current feeder protection.
- Power control centres and switchboards.
- Critical electrical distribution infrastructure.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057527R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 2500 A |
| Number of poles | 3 |
| Execution | Fixed |
| Trip unit | PR121/P-LI |
| Release rating | 2500 A |
| Protection functions | L (long-time) and I (instantaneous) |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057527R1 used for?
The ABB 1SDA057527R1 is a SACE Emax air circuit breaker used for switching and overcurrent protection in high-current low-voltage electrical distribution systems.
What is the rated current of the ABB E3S-A 2500?
This circuit breaker has a rated current of 2500 A, making it suitable for substantial industrial and commercial electrical loads.
Which trip unit is fitted to the ABB 1SDA057527R1?
The breaker is fitted with an ABB PR121/P-LI electronic overcurrent release providing long-time and instantaneous protection functions.
Is the ABB 1SDA057527R1 fixed or withdrawable?
The 1SDA057527R1 is a three-pole fixed circuit breaker designed for permanent installation in a compatible low-voltage switchboard.
What protection functions does the PR121/P-LI provide?
The PR121/P-LI trip unit provides long-time and instantaneous overcurrent protection, helping protect the electrical distribution system against overload and short-circuit conditions.
Trusted ABB Power Distribution Technology
ABB SACE Emax circuit breakers are engineered for dependable protection, switching and control in demanding low-voltage power distribution systems, providing robust performance for industrial switchboards and critical electrical infrastructure.
