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1SDA056755R1 ABB E3L2500PR122/P-LI 2500A 3-Pole Air Circuit Breaker
ABB 1SDA056755R1 E3L2500PR122/P-LI is a 2500 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals and a PR122/P-LI electronic overcurrent release for high-current low-voltage power distribution.
£17,306.66
Why Choose the ABB E3L2500PR122/P-LI 2500A Air Circuit Breaker?
The ABB E3L2500PR122/P-LI, order code 1SDA056755R1, is a high-performance 2500 A three-pole air circuit breaker designed for reliable switching and protection of demanding low-voltage power distribution systems. As part of the proven ABB SACE Emax E3 series, this fixed breaker combines the E3L high-breaking-capacity platform with the advanced PR122/P electronic overcurrent protection release.
The breaker is equipped with an ABB PR122/P-LI electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection. This electronic protection system makes the E3L2500 suitable for main distribution boards, transformer protection, industrial switchboards and other installations requiring dependable protection of high-current circuits.
With a rated current of 2500 A, a three-pole fixed configuration and rear horizontal terminals, the E3L2500PR122/P-LI is designed for robust installation within low-voltage switchgear assemblies. It is supplied with four auxiliary contacts and breaker open/closed position indication, supporting integration into monitoring, signalling and control systems.
Key Advantages
- High-capacity 2500 A air circuit breaker for demanding low-voltage distribution systems.
- Three-pole fixed configuration with rear horizontal terminals.
- Advanced PR122/P-LI electronic protection release for overload and instantaneous short-circuit protection.
- E3L high-breaking-capacity design for demanding industrial power networks.
- Supplied with four auxiliary contacts for control and status signalling.
- Integrated open/closed position indication for breaker status monitoring.
- Part of the established ABB SACE Emax air circuit breaker platform.
Key Features
- ABB SACE Emax E3L air circuit breaker platform.
- 2500 A rated current.
- Three-pole construction.
- Fixed (F) breaker execution.
- Rear horizontal (HR) terminals.
- PR122/P-LI R2500 electronic overcurrent release.
- Long-time overload protection function.
- Instantaneous short-circuit protection function.
- Four auxiliary contacts for breaker status and control circuits.
- Open/closed breaker position indication.
- Designed for high-current low-voltage switchgear and distribution applications.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3 are designed to protect low-voltage electrical networks against damaging overcurrents while providing reliable switching and isolation of high-current circuits. Their robust construction and electronic protection technology make them particularly suitable for main incomers, transformer secondaries, large feeders and other critical distribution circuits.
The PR122/P electronic release continuously monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded. In this LI configuration, long-time protection responds to sustained overload conditions while instantaneous protection provides rapid interruption of severe short-circuit faults.
Typical Applications
- Main low-voltage switchboards and distribution boards.
- Industrial power distribution systems.
- Transformer secondary and main incomer protection.
- High-current feeder circuits.
- Manufacturing and process plant electrical systems.
- Commercial buildings and infrastructure power distribution.
Technical Specifications
| Series | SACE Emax E3 |
|---|---|
| ABB order code | 1SDA056755R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame / performance class | E3L |
| Rated current | 2500 A |
| Number of poles | 3 |
| Execution | Fixed (F) |
| Terminal arrangement | Rear horizontal (HR) |
| Protection release | PR122/P-LI R2500 electronic overcurrent release |
| Protection functions | L (long-time overload) and I (instantaneous short-circuit) |
| Auxiliary contacts | 4 |
| Position indication | Open / closed breaker indication |
| EAN | 8015644580957 |
| HS code | 85362090 |
| Weight | approx. 72 kg |
Frequently Asked Questions
What is the ABB E3L2500PR122/P-LI used for?
This ABB SACE Emax air circuit breaker is designed for switching and protecting high-current low-voltage distribution circuits in industrial, commercial and infrastructure electrical systems.
What is the rated current of ABB 1SDA056755R1?
The ABB 1SDA056755R1 has a rated current of 2500 A and uses a three-pole E3L air circuit breaker configuration.
What protection release is fitted to this breaker?
The breaker is fitted with an ABB PR122/P-LI R2500 electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection.
What type of terminals does the ABB E3L2500PR122/P-LI use?
This configuration is a fixed breaker equipped with rear horizontal terminals for integration into compatible low-voltage switchgear assemblies.
Does ABB 1SDA056755R1 include auxiliary contacts?
Yes. The breaker is supplied with four auxiliary contacts and open/closed position indication for integration with signalling, monitoring and control circuits.
Trusted for Critical Power Distribution
ABB SACE Emax air circuit breakers are engineered for dependable protection, switching and control of demanding low-voltage electrical distribution systems, combining robust high-current construction with advanced electronic protection technology.
