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1SDA057367R1 ABB E3N-A 2000 PR121/P-LI 2000A 3P Fixed Air Circuit Breaker
ABB 1SDA057367R1 E3N-A 2000 PR121/P-LI is a 2000 A three-pole fixed SACE Emax air circuit breaker with LI electronic overcurrent protection for high-current low-voltage power distribution systems.
£11,484.08
Why Choose the ABB E3N-A 2000 PR121/P-LI 2000A 3P Fixed Air Circuit Breaker?
The ABB E3N-A 2000 PR121/P-LI, order code 1SDA057367R1, is a high-current SACE Emax air circuit breaker (ACB) designed for protection, switching and isolation in low-voltage power distribution systems. Built on the ABB E3N-A platform, this three-pole circuit breaker has a rated current of 2000 A and is intended for demanding industrial and commercial power distribution duties.
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 overcurrents and severe short-circuit faults.
Configured as a three-pole fixed circuit breaker, the E3N-A 2000 PR121/P-LI is suited to permanent installation within low-voltage switchgear assemblies. Its 2000 A rated current, N performance level and electronic trip technology make it a dependable choice for main incomers, high-current feeders and major distribution circuits.
Key Advantages
- High-capacity 2000 A SACE Emax air circuit breaker for major distribution circuits.
- Three-pole fixed configuration for permanent switchboard installation.
- Integrated PR121/P-LI electronic overcurrent release.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
- N performance level for demanding low-voltage distribution applications.
- Electronic trip technology provides dependable protection for high-current circuits.
- Suitable for main incomer and high-current feeder protection.
- ABB SACE Emax construction combines switching, isolation and circuit protection in one device.
Key Features
- ABB SACE Emax E3N-A air circuit breaker.
- 2000 A rated current.
- Three-pole (3P) configuration.
- Fixed (F) 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 high-current low-voltage power distribution.
- Suitable for fixed switchboard and power distribution assemblies.
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 damaging overload and short-circuit conditions.
The PR121/P-LI release combines long-time protection against sustained overloads with instantaneous protection against severe short-circuit currents. Together with the fixed E3N-A construction and 2000 A current rating, this provides a robust protection solution for high-capacity incomers, feeders and distribution circuits.
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.
- Fixed low-voltage switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057367R1 |
| 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 | Fixed |
| Trip unit | PR121/P-LI electronic release |
| Protection functions | Long-time (L), instantaneous (I) |
| Current type | AC |
Frequently Asked Questions
What is the ABB 1SDA057367R1 used for?
The ABB 1SDA057367R1 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 1SDA057367R1?
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 overloads and instantaneous protection against severe short-circuit currents.
Is the ABB 1SDA057367R1 fixed or withdrawable?
The 1SDA057367R1 is a fixed three-pole circuit breaker intended for permanent installation within a compatible low-voltage switchgear assembly.
Trusted High-Current Protection from ABB
ABB SACE Emax air circuit breakers combine robust switching capability with electronic overcurrent protection for demanding low-voltage distribution systems, helping protect critical incomers, feeders and electrical infrastructure.
