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1SDA056051R1 ABB E2L1250 PR122/P-LI 1250 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA056051R1 is a SACE Emax E2L1250 three-pole fixed air circuit breaker rated at 1250 A with rear horizontal terminals and a PR122/P-LI electronic overcurrent release for low-voltage power distribution protection.
£8,137.04
Why Choose the ABB E2L1250 PR122/P-LI 1SDA056051R1 Air Circuit Breaker?
The ABB 1SDA056051R1 is a high-performance SACE Emax E2L1250 air circuit breaker designed for reliable switching and protection in demanding low-voltage electrical distribution systems. As part of the ABB New Emax product range, this three-pole fixed circuit breaker has a rated current of 1250 A and incorporates the advanced PR122/P-LI electronic overcurrent release.
The PR122/P-LI trip unit provides long-time overload and instantaneous short-circuit protection, helping safeguard electrical installations, conductors and connected equipment against damaging overcurrents. The E2L performance class is intended for applications requiring particularly high short-circuit interruption capability, making this breaker suitable for demanding industrial and infrastructure power distribution systems.
With its 1250 A rating, three-pole configuration and fixed construction with rear horizontal terminals, the E2L1250 is well suited to high-current switchboards and main distribution panels. The breaker is supplied with four auxiliary contacts and open/closed position indication, supporting integration with switchboard control, signalling and monitoring systems.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 1250 A rated current for high-current electrical systems.
- PR122/P-LI electronic release provides overload and instantaneous short-circuit protection.
- Three-pole configuration for three-phase distribution circuits.
- E2L performance class designed for high short-circuit breaking capability.
- Fixed construction with rear horizontal terminals for switchboard installation.
- Four auxiliary contacts and open/closed position indication for control and signalling.
Key Features
- ABB SACE Emax E2L1250 air circuit breaker.
- 1250 A rated current.
- Three-pole configuration.
- PR122/P-LI R1250 electronic overcurrent release.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Fixed version for permanent switchboard installation.
- Rear horizontal terminals for main circuit connection.
- Fitted with four auxiliary contacts.
- Integrated circuit-breaker open/closed position indication.
- Part of the ABB New Emax / SACE Emax low-voltage circuit breaker range.
Reliable Protection for Low-Voltage Distribution Systems
Air circuit breakers such as the ABB SACE Emax E2L1250 provide dependable switching and protection for high-current low-voltage distribution circuits. The E2L performance class is engineered for installations with demanding fault levels, helping protect switchboards, conductors, transformers and connected electrical equipment against potentially damaging overcurrent conditions.
The PR122/P-LI electronic release provides long-time protection against sustained overload conditions together with instantaneous protection against severe short-circuit currents. Combined with the E2L1250 platform, fixed three-pole construction and rear horizontal terminals, the 1SDA056051R1 is particularly suitable for industrial switchboards and main distribution systems requiring robust high-current circuit protection.
Typical Applications
- Industrial low-voltage switchboards.
- Main electrical distribution panels.
- Incoming mains and feeder protection.
- Manufacturing and process industry electrical systems.
- Commercial and infrastructure power distribution.
- Transformer and installation protection.
- High-current three-phase distribution circuits.
Technical Specifications
| Product group | 310513-New Emax |
|---|---|
| Series | SACE Emax |
| Order code / MPN | 1SDA056051R1 |
| Product type | Air circuit breaker |
| Frame / sub-type | E2 |
| Performance level | L |
| Rated current (In) | 1250 A |
| Number of poles | 3 |
| Release | PR122/P-LI |
| Release rating | R1250 |
| Release type | Electronic |
| Protection functions | LI |
| Long-time protection | Overload protection |
| Instantaneous protection | Short-circuit protection |
| Version | Fixed |
| Terminal connection | Rear horizontal |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Weight | approx. 55 kg |
| EAN | 8015644573911 |
Frequently Asked Questions
What is the ABB 1SDA056051R1 used for?
The ABB 1SDA056051R1 is an E2L1250 SACE Emax air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution circuits.
What is the current rating of the ABB E2L1250 1SDA056051R1?
The circuit breaker is rated at 1250 A.
What protection does the PR122/P-LI release provide?
The PR122/P-LI electronic release provides long-time overload protection and instantaneous short-circuit protection.
How many poles does the ABB 1SDA056051R1 have?
The 1SDA056051R1 is a three-pole air circuit breaker designed for three-phase low-voltage distribution applications.
Is the ABB 1SDA056051R1 fixed or withdrawable?
The 1SDA056051R1 is a fixed air circuit breaker with rear horizontal terminals for installation in compatible low-voltage switchboards.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage power distribution systems, combining advanced electronic protection, high fault-interruption performance and robust construction for industrial electrical installations.
