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1SDA057495R1 ABB E3S-A 2000 PR121/P-LI 2000 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057495R1 E3S-A 2000 PR121/P-LI is a 2000 A three-pole fixed SACE Emax air circuit breaker with a PR121/P-LI electronic overcurrent release providing LI protection for low-voltage AC power distribution systems.
£10,403.78
Why Choose the ABB E3S-A 2000 PR121/P-LI Air Circuit Breaker?
The ABB E3S-A 2000 PR121/P-LI, order code 1SDA057495R1, is a high-performance SACE Emax air circuit breaker designed for switching and protection in high-current low-voltage AC power distribution systems. This configuration has a rated current of 2000 A, a three-pole arrangement and a PR121/P-LI electronic overcurrent release.
As part of the ABB SACE Emax E3S-A series, the 1SDA057495R1 combines robust switching capability with electronic protection against overload and short-circuit conditions. Its PR121/P-LI release provides long-time and instantaneous protection functions, helping protect feeders, busbars and connected electrical equipment in demanding industrial and commercial installations.
The authoritative configuration identifies this model as a fixed (F) three-pole circuit breaker rated at 2000 A. Its fixed construction is well suited to permanent installation within low-voltage switchboards and power distribution assemblies where reliable high-current circuit protection is required.
Key Advantages
- High-current 2000 A SACE Emax air circuit breaker for demanding power distribution systems.
- PR121/P-LI electronic overcurrent release provides long-time and instantaneous protection.
- Three-pole configuration for three-phase AC distribution systems.
- Fixed mounting configuration for permanent switchboard installation.
- Electronic protection helps safeguard feeders and distribution equipment against overloads and short circuits.
- ABB SACE Emax construction supports integration into industrial and commercial low-voltage switchboards.
Key Features
- ABB SACE Emax E3S-A air circuit breaker.
- 2000 A rated current.
- Three-pole construction.
- PR121/P-LI electronic overcurrent release.
- Long-time and instantaneous LI protection functions.
- Fixed (F) circuit-breaker configuration.
- Designed for high-current low-voltage AC power distribution.
- Suitable for main distribution and feeder protection applications.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E3S-A provide switching, isolation and overcurrent protection for high-current low-voltage electrical distribution systems. The electronic trip release monitors current conditions and operates the breaker when configured protection thresholds are exceeded, helping protect cables, busbars and connected equipment from damaging electrical faults.
The PR121/P-LI release provides long-time protection against sustained overload conditions together with instantaneous protection against severe short-circuit currents. Combined with its fixed construction and 2000 A rating, the 1SDA057495R1 provides dependable protection for substantial industrial and commercial power distribution systems.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main switchboards and distribution boards.
- Manufacturing plant electrical distribution.
- Commercial and infrastructure power systems.
- Protection of high-current feeders and busbar systems.
- Three-phase distribution installations requiring electronic LI protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057495R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3S-A |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LI |
| Release type | Electronic |
| Protection functions | Long-time and instantaneous (LI) |
| Mounting configuration | Fixed (F) |
| Application | Low-voltage AC power distribution |
Frequently Asked Questions
What is the ABB 1SDA057495R1?
The ABB 1SDA057495R1 is an E3S-A SACE Emax three-pole fixed air circuit breaker rated at 2000 A and equipped with a PR121/P-LI electronic overcurrent release.
What is the rated current of the ABB E3S-A 2000 PR121/P-LI?
The E3S-A 2000 PR121/P-LI has a rated current of 2000 A for high-current low-voltage power distribution applications.
What protection functions does the PR121/P-LI release provide?
The PR121/P-LI electronic release provides long-time and instantaneous overcurrent protection functions, collectively identified as LI protection.
Is ABB 1SDA057495R1 a fixed or withdrawable circuit breaker?
The 1SDA057495R1 is a fixed (F) circuit-breaker configuration designed for permanent installation in a compatible low-voltage switchboard.
How many poles does the ABB 1SDA057495R1 have?
The 1SDA057495R1 has three poles, making it suitable for three-phase low-voltage AC power distribution systems.
Where is the ABB E3S-A 2000 PR121/P-LI typically used?
It is typically used in industrial and commercial switchboards, main distribution systems, high-current feeders and other low-voltage installations requiring 2000 A fixed circuit protection.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are widely used in demanding low-voltage power distribution systems, combining robust switching performance, electronic circuit protection and practical integration into industrial and commercial switchboards.
