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1SDA057411R1 ABB E3N-A 2500 PR122/P-LI 2500 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057411R1 is a SACE Emax E3N-A 2500 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI electronic trip unit providing long-time overload and instantaneous short-circuit protection.
£11,555.51
Why Choose the ABB 1SDA057411R1 E3N-A 2500 Air Circuit Breaker?
The ABB 1SDA057411R1 is a high-performance SACE Emax E3N-A air circuit breaker designed for switching and protection in demanding low-voltage electrical distribution systems. Identified as E3N-A 2500 PR122/P-LI In=2500A 3p F HR, this three-pole fixed circuit breaker combines a 2500 A rated current with the ABB PR122/P-LI electronic overcurrent release.
As part of the ABB SACE Emax / New Emax range, the E3N-A platform is engineered for high-current industrial, commercial and infrastructure power distribution. This version features fixed installation with rear horizontal terminals, providing a robust connection arrangement for integration into compatible low-voltage switchboards and power distribution assemblies.
The PR122/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. This configuration incorporates an R2500 overcurrent release with a 37,500 A instantaneous release reference and is fitted with four auxiliary contacts plus circuit-breaker open/closed position indication.
Key Advantages
- Heavy-duty ABB SACE Emax E3N-A air circuit breaker for high-current power distribution.
- 2500 A rated current for demanding industrial and commercial electrical systems.
- Advanced PR122/P-LI electronic overcurrent release.
- LI functionality provides long-time overload and instantaneous short-circuit protection.
- Three-pole fixed configuration for permanent switchboard installations.
- Rear horizontal terminals provide a practical connection arrangement for fixed switchgear.
- R2500 overcurrent release matched to the 2500 A breaker rating.
- Four auxiliary contacts and open/closed indication support circuit-breaker signalling and status monitoring.
Key Features
- ABB SACE Emax E3N-A series.
- 2500 A rated current.
- Three-pole configuration.
- Fixed (F) installation.
- Rear horizontal (HR) terminals.
- PR122/P-LI electronic trip unit.
- R2500 overcurrent release.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- 37,500 A instantaneous release reference.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- UL configuration for compatible low-voltage switchgear applications.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3N-A provide switching, isolation and overcurrent protection for low-voltage electrical distribution systems. Electronic trip technology monitors circuit current and enables the breaker to interrupt the supply when configured protection thresholds are exceeded, helping protect conductors, switchgear and downstream electrical equipment.
The PR122/P-LI release combines long-time protection against sustained overload conditions with instantaneous protection against severe short circuits. Together with the fixed E3N-A construction and rear horizontal terminals, the 1SDA057411R1 provides a robust solution for high-current switchboards where dependable protection and permanent fixed installation are required.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial incoming supply circuits.
- High-current distribution feeders.
- Manufacturing and process facilities.
- Commercial building power distribution.
- Infrastructure electrical systems.
- Transformer secondary distribution circuits.
- Generator distribution and power-management systems.
- Fixed switchgear requiring electronic LI overcurrent protection.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB product group | 310513-New Emax |
| Order code / Product ID | 1SDA057411R1 |
| Product type | Air circuit breaker |
| Frame | E3N-A |
| Rated current | 2500 A |
| Number of poles | 3 |
| Installation | Fixed |
| Terminal connection | Rear horizontal |
| Trip unit | PR122/P-LI |
| Overcurrent release | R2500 |
| Protection functions | Long-time and instantaneous (LI) |
| Instantaneous release reference | 37,500 A |
| Current type | AC |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Electrical durability | 8,000 cycles |
| Mechanical durability | 15,000 cycles |
| Maximum operating frequency | 30 cycles per hour |
| Power loss at rated operating conditions | 205 W per pole |
| Dimensions (W × H × D) | 404 × 418 × 302 mm |
| Net weight | 60 kg |
| EAN | 8015644596743 |
| Customs tariff / HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA057411R1 used for?
The ABB 1SDA057411R1 is a SACE Emax E3N-A air circuit breaker used for switching and protecting high-current low-voltage electrical distribution circuits.
What is the rated current of the ABB 1SDA057411R1?
The ABB 1SDA057411R1 has a rated current of 2500 A and incorporates an R2500 overcurrent release.
Which trip unit is fitted to the ABB 1SDA057411R1?
The 1SDA057411R1 is fitted with an ABB PR122/P-LI electronic overcurrent release.
What protection functions does the PR122/P-LI provide?
The PR122/P-LI provides long-time overload and instantaneous short-circuit protection functions.
Is the ABB 1SDA057411R1 fixed or withdrawable?
The 1SDA057411R1 is a three-pole fixed air circuit breaker with rear horizontal terminals for integration into compatible ABB SACE Emax switchgear and low-voltage distribution assemblies.
Trusted Circuit Protection from ABB
ABB SACE Emax air circuit breakers provide dependable switching and electronic overcurrent protection for demanding low-voltage electrical distribution systems, combining high-current capability with robust construction and advanced protection for critical power applications.
