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1SDA057379R1 ABB E3N-A 2000 PR122/P-LI 2000 A 3-Pole Fixed Circuit Breaker
ABB 1SDA057379R1 is a SACE Emax E3N-A 2000 A three-pole fixed air circuit breaker with a PR122/P-LI electronic overcurrent release and rear horizontal terminals for low-voltage power distribution protection.
£11,555.51
Why Choose the ABB 1SDA057379R1 E3N-A 2000 Circuit Breaker?
The ABB 1SDA057379R1 is a high-performance SACE Emax E3N-A air circuit breaker designed for reliable protection and switching of high-current low-voltage electrical distribution systems. Rated at 2000 A, this three-pole fixed circuit breaker incorporates an advanced PR122/P-LI electronic overcurrent release for dependable long-time and instantaneous protection.
As part of the proven ABB SACE Emax series, the E3N-A 2000 combines robust switching technology with electronic protection for industrial switchboards, power distribution panels and critical electrical infrastructure. The PR122/P release provides configurable electronic protection while the breaker construction is engineered for dependable operation in demanding installations.
This configuration is a three-pole fixed version with rear horizontal terminals and a PR122/P-LI R2000 overcurrent release. It is supplied with four auxiliary contacts and open/closed position indication, providing useful status signalling for switchboard control and monitoring systems.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2000 A rated current for high-current industrial applications.
- PR122/P-LI electronic trip unit for long-time and instantaneous overcurrent protection.
- Three-pole fixed configuration for permanent switchboard installation.
- Rear horizontal terminals support practical busbar and switchboard connections.
- Four auxiliary contacts provide circuit breaker status signalling.
- Open/closed position indication assists operation and system monitoring.
- Designed for reliable protection of industrial distribution networks and electrical infrastructure.
Key Features
- ABB SACE Emax E3N-A series.
- 2000 A rated current.
- Three-pole circuit breaker.
- Fixed execution.
- PR122/P-LI R2000 electronic overcurrent release.
- Long-time and instantaneous protection functions.
- Rear horizontal terminals.
- Four auxiliary contacts fitted.
- Open/closed circuit breaker position indication.
- Designed for low-voltage power distribution and protection.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3N-A protect low-voltage distribution systems against potentially damaging overcurrent conditions while also providing controlled switching and isolation. Their high current capacity makes them particularly suitable for main distribution boards, industrial switchgear and other installations carrying substantial electrical loads.
The PR122/P-LI electronic release continuously supports protection of the electrical system through long-time and instantaneous overcurrent functions. Combined with the Emax platform's robust switching mechanism, this provides a dependable protection solution for demanding industrial and commercial power distribution applications.
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 | 1SDA057379R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 2000 A |
| Number of poles | 3 |
| Execution | Fixed |
| Trip unit | PR122/P-LI |
| Release rating | R2000 |
| Protection functions | L (long-time) and I (instantaneous) |
| Terminal arrangement | Rear horizontal |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| EAN | 8015644596422 |
| Weight | approx. 60 kg |
Frequently Asked Questions
What is the ABB 1SDA057379R1 used for?
The ABB 1SDA057379R1 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 E3N-A 2000?
This circuit breaker has a rated current of 2000 A, making it suitable for substantial industrial and commercial electrical loads.
Which trip unit is fitted to the 1SDA057379R1?
The breaker is fitted with an ABB PR122/P-LI R2000 electronic overcurrent release, providing long-time and instantaneous protection functions.
Is the ABB 1SDA057379R1 fixed or withdrawable?
The 1SDA057379R1 is a three-pole fixed circuit breaker with rear horizontal terminals.
Does this Emax circuit breaker include auxiliary contacts?
Yes. This configuration is fitted with four auxiliary contacts together with open/closed position indication for circuit breaker status monitoring.
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.
