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1SDA057369R1 ABB E3N-A 2000 PR121/P-LI 2000A 3P Withdrawable Air Circuit Breaker
ABB 1SDA057369R1 E3N-A 2000 PR121/P-LI is a 2000 A three-pole withdrawable SACE Emax air circuit breaker with LI electronic overcurrent protection for high-current low-voltage power distribution systems.
£13,247.08
Why Choose the ABB E3N-A 2000 PR121/P-LI 2000A 3P Withdrawable Air Circuit Breaker?
The ABB E3N-A 2000 PR121/P-LI, order code 1SDA057369R1, is a high-current SACE Emax air circuit breaker (ACB) designed for protection, switching and isolation in demanding low-voltage power distribution systems. Built on the ABB E3N-A platform, this three-pole breaker has a rated current of 2000 A and is suited to major industrial, commercial and infrastructure distribution circuits.
The breaker is equipped with an ABB PR121/P-LI electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection. This LI protection arrangement helps safeguard cables, busbars, switchgear and connected equipment against sustained overloads and severe fault currents while providing dependable electronic protection for critical distribution networks.
Configured as a three-pole withdrawable circuit breaker, the E3N-A 2000 PR121/P-LI is designed for switchgear installations where maintainability and service continuity are important. Its 2000 A rated current, N performance level and withdrawable construction make it particularly suitable for main incomers, high-current feeders and power distribution centres.
Key Advantages
- High-capacity 2000 A SACE Emax air circuit breaker for major distribution circuits.
- Three-pole withdrawable configuration for maintainable low-voltage switchgear.
- Integrated PR121/P-LI electronic overcurrent release.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
- N performance level for demanding power distribution applications.
- Electronic trip technology provides dependable protection for high-current circuits.
- Withdrawable construction facilitates inspection, maintenance and breaker replacement.
- Suitable for main incomer and high-current feeder protection.
Key Features
- ABB SACE Emax E3N-A air circuit breaker.
- 2000 A rated current.
- Three-pole (3P) configuration.
- Withdrawable (W) installation version.
- PR121/P-LI electronic protection release.
- Long-time (L) overload protection.
- Instantaneous (I) short-circuit protection.
- N performance level.
- Electronic overcurrent protection for critical distribution circuits.
- Designed for use with a compatible SACE Emax fixed part.
- Suitable for high-current industrial low-voltage distribution systems.
Reliable LI Protection for 2000A Power Distribution
Air circuit breakers such as the ABB SACE Emax E3N-A provide switching, isolation and overcurrent protection for major low-voltage distribution circuits. The PR121/P electronic release monitors current conditions and initiates circuit interruption when configured protection thresholds are exceeded, helping protect electrical infrastructure against sustained overloads and severe short-circuit conditions.
The withdrawable construction allows the circuit breaker to be disconnected and removed from its compatible fixed part for inspection, servicing or replacement. Combined with the 2000 A current rating and LI electronic protection, this configuration provides a practical solution for high-capacity switchboards where dependable protection and maintainability are important.
Typical Applications
- Industrial low-voltage switchboards.
- Main incomer circuit protection.
- High-current distribution feeders.
- Manufacturing and process plants.
- Commercial and infrastructure power distribution.
- Transformer secondary distribution systems.
- Power distribution centres.
- Withdrawable low-voltage switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057369R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker (ACB) |
| Frame / size | E3 |
| Performance level | N |
| Rated current (In) | 2000 A |
| Number of poles | 3P |
| Installation version | Withdrawable |
| Trip unit | PR121/P-LI electronic release |
| Protection functions | Long-time (L), instantaneous (I) |
| Current type | AC |
Frequently Asked Questions
What is the ABB 1SDA057369R1 used for?
The ABB 1SDA057369R1 is a 2000 A three-pole SACE Emax air circuit breaker designed for protection, switching and isolation of high-current low-voltage power distribution circuits.
What trip unit is fitted to the ABB E3N-A 2000?
This circuit breaker is equipped with an ABB PR121/P-LI electronic release, providing long-time overload and instantaneous short-circuit protection.
What is the rated current of the ABB 1SDA057369R1?
The ABB E3N-A circuit breaker has a rated current of 2000 A.
What protection functions does PR121/P-LI provide?
The PR121/P-LI provides long-time protection against sustained overload currents and instantaneous protection against severe short-circuit currents.
Is the ABB 1SDA057369R1 fixed or withdrawable?
The 1SDA057369R1 is a withdrawable three-pole circuit breaker designed for use with a compatible ABB SACE Emax fixed part in a low-voltage switchgear assembly.
Trusted High-Current Protection from ABB
ABB SACE Emax air circuit breakers combine robust switching capability with electronic overcurrent protection and maintainable switchgear configurations for demanding low-voltage power distribution systems.
