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1SDA057373R1 ABB E3N-A 2000 PR121/P-LSI 2000A 3P Air Circuit Breaker
ABB 1SDA057373R1 E3N-A 2000 PR121/P-LSI is a 2000 A three-pole SACE Emax air circuit breaker with long-time, short-time and instantaneous electronic protection for high-current low-voltage power distribution.
£13,746.08
Why Choose the ABB E3N-A 2000 PR121/P-LSI 2000A 3P Air Circuit Breaker?
The ABB E3N-A 2000 PR121/P-LSI, order code 1SDA057373R1, is a high-current SACE Emax air circuit breaker designed for protection and switching in low-voltage electrical distribution systems. This E3N-A model has a rated current of 2000 A, three-pole construction and ABB's PR121/P-LSI electronic overcurrent release.
The PR121/P-LSI release provides long-time, short-time and instantaneous protection functions. This combination protects distribution circuits against sustained overloads and short-circuit conditions while supporting coordinated protection strategies within industrial and commercial switchboards.
As part of the ABB SACE Emax family, the E3N-A platform is engineered for demanding high-current distribution duties. Its 2000 A rating makes 1SDA057373R1 suitable for substantial main incomers, feeders and bus-coupler circuits where reliable switching and electronic overcurrent protection are required.
Key Advantages
- High-current 2000 A SACE Emax air circuit breaker for low-voltage distribution.
- Three-pole configuration for three-phase electrical systems.
- PR121/P-LSI electronic trip unit for accurate overcurrent protection.
- LSI protection covers long-time, short-time and instantaneous fault conditions.
- E3N-A frame suited to demanding high-current switchboard applications.
- Suitable for coordinated protection of main incomers, feeders and bus-coupler circuits.
Key Features
- ABB SACE Emax E3N-A series.
- 2000 A rated current.
- Three-pole construction.
- PR121/P-LSI electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Electronic protection technology for configurable circuit protection.
- Designed for high-current low-voltage AC power distribution.
- Suitable for industrial, commercial and infrastructure switchboards.
Advanced Protection for High-Current Power Distribution
The ABB SACE Emax E3N-A is designed to provide switching and protection for high-current low-voltage distribution circuits. Its electronic release continuously evaluates circuit conditions and initiates a trip when configured protection thresholds are exceeded, helping limit the effects of overloads and short circuits on cables, busbars and connected equipment.
With long-time, short-time and instantaneous functions, the PR121/P-LSI release supports coordinated protection across multiple levels of a distribution system. This makes the E3N-A 2000 suitable for critical switchboard positions where dependable fault interruption and continuity of electrical service are important design considerations.
Typical Applications
- Low-voltage power distribution switchboards.
- Industrial electrical distribution systems.
- Main incoming circuit protection.
- High-current feeder protection.
- Bus-coupler and distribution circuit protection.
- Commercial and infrastructure power systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057373R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3 |
| Performance level | N-A |
| Rated current (In) | 2000 A |
| Number of poles | 3 |
| Current type | AC |
| Trip unit | PR121/P-LSI |
| Release type | Electronic |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057373R1 used for?
It is a 2000 A three-pole SACE Emax air circuit breaker intended for switching and protecting high-current low-voltage electrical distribution circuits.
What trip unit does the ABB E3N-A 2000 use?
The 1SDA057373R1 uses an ABB PR121/P-LSI electronic overcurrent release.
What is the rated current of ABB 1SDA057373R1?
The rated current is 2000 A, making the breaker suitable for substantial low-voltage distribution loads.
How many poles does the ABB E3N-A 2000 have?
This model has a three-pole configuration for use in three-phase electrical distribution systems.
What protection functions does PR121/P-LSI provide?
The PR121/P-LSI provides long-time, short-time and instantaneous protection, collectively identified as LSI protection.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers combine robust switching technology with electronic overcurrent protection for demanding low-voltage power distribution applications.
