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1SDA056115R1 ABB E3N2500 PR122/P-LI 2500A 3P Fixed Air Circuit Breaker
ABB 1SDA056115R1 is a SACE Emax E3N 2500 three-pole 2500 A fixed air circuit breaker with rear horizontal terminals and a PR122/P-LI R2500 electronic overcurrent release for high-current low-voltage circuit protection.
£12,680.41
Why Choose the ABB E3N2500 PR122/P-LI 2500A 3P Fixed Air Circuit Breaker?
The ABB E3N2500 PR122/P-LI, order code 1SDA056115R1, is a high-current SACE Emax air circuit breaker designed for switching and protection in demanding low-voltage power distribution systems. As part of the ABB SACE Emax E3N series, this three-pole fixed circuit breaker is rated at 2500 A and incorporates the PR122/P-LI R2500 electronic overcurrent release.
The PR122/P-LI trip unit provides long-time overload (L) and instantaneous short-circuit (I) protection, helping protect electrical distribution circuits against sustained overcurrents and severe short-circuit faults. Its electronic protection platform makes the E3N2500 suitable for substantial main distribution and feeder applications where reliable high-current circuit protection is essential.
This E3N2500 configuration features a three-pole fixed execution with rear horizontal terminals. The fixed construction provides a robust solution for permanent switchboard installation, while the E3 frame and 2500 A current rating make it suitable for demanding industrial, commercial and infrastructure power distribution systems.
Key Advantages
- High-current 2500 A SACE Emax air circuit breaker.
- Advanced PR122/P electronic overcurrent release for dependable circuit protection.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Three-pole configuration designed for three-phase low-voltage distribution systems.
- Fixed execution with rear horizontal terminals for permanent switchboard installation.
- Part of ABB's established SACE Emax E3N air circuit breaker range for high-current power distribution.
Key Features
- ABB SACE Emax E3N 2500 air circuit breaker.
- 2500 A rated current.
- Three-pole configuration.
- PR122/P-LI R2500 electronic overcurrent release.
- Long-time overload protection (L).
- Instantaneous short-circuit protection (I).
- Fixed circuit breaker execution.
- Rear horizontal terminals.
- Fitted with four auxiliary contacts.
- Integrated open/closed circuit breaker position indication.
Advanced LI Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3N2500 provide switching and protection for high-current low-voltage distribution circuits. The electronic overcurrent release monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping protect cables, busbars, switchgear and connected electrical equipment.
The PR122/P-LI release combines long-time overload and instantaneous short-circuit protection within an electronic trip unit. Together with the E3N frame's high-current capability and three-pole fixed construction, this configuration provides dependable protection for main incomers and feeder circuits in substantial low-voltage electrical distribution systems.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plant switchgear.
- Commercial building electrical distribution.
- Infrastructure and utility installations.
- Main incomer and high-current feeder protection.
- Three-phase low-voltage distribution systems.
- High-current fixed circuit breaker switchboard assemblies.
Technical Specifications
| Product family | SACE Emax |
|---|---|
| Series / frame | E3N 2500 |
| ABB order code | 1SDA056115R1 |
| Product type | Air circuit breaker |
| Rated current (In) | 2500 A |
| Number of poles | 3 |
| Trip unit | PR122/P-LI R2500 |
| Release type | Electronic |
| Protection functions | LI |
| Long-time protection | L |
| Instantaneous protection | I |
| Execution | Fixed |
| Terminal configuration | Rear horizontal terminals |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Net weight | 72 kg |
| EAN | 8015644574550 |
| HS code | 85362090 |
| Product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA056115R1?
The ABB 1SDA056115R1 is a SACE Emax E3N 2500 three-pole fixed air circuit breaker rated at 2500 A, fitted with rear horizontal terminals and a PR122/P-LI R2500 electronic overcurrent release.
What is the rated current of the ABB E3N2500 PR122/P-LI?
The circuit breaker is rated at 2500 A and is designed for high-current low-voltage power distribution applications.
What does LI protection mean on the PR122/P trip unit?
LI denotes long-time overload protection and instantaneous short-circuit protection, helping protect the electrical system against sustained overcurrents and severe short-circuit faults.
How many poles does ABB 1SDA056115R1 have?
The ABB 1SDA056115R1 is a three-pole air circuit breaker designed for three-phase low-voltage power distribution systems.
Is the ABB 1SDA056115R1 fixed or withdrawable?
This model is a fixed air circuit breaker with rear horizontal terminals, intended for permanent installation within a compatible low-voltage switchboard.
Which trip unit is fitted to the ABB 1SDA056115R1?
The breaker is equipped with the ABB PR122/P-LI R2500 electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are widely applied in demanding low-voltage power distribution systems, providing dependable high-current switching and advanced electronic protection for industrial, commercial and infrastructure installations.
