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1SDA056293R1 ABB E3S2500 PR122/P-LSIG 2500 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA056293R1 E3S2500 is a 2500 A three-pole withdrawable SACE Emax air circuit breaker moving part with a PR122/P-LSIG electronic overcurrent release and LSIG protection for high-current low-voltage power distribution systems.
£16,570.79
Why Choose the ABB 1SDA056293R1 E3S2500 Air Circuit Breaker?
The ABB 1SDA056293R1 is a high-performance SACE Emax E3S air circuit breaker (ACB) moving part designed for protection and switching in demanding low-voltage electrical distribution systems. As part of the ABB New Emax E3 series, this three-pole withdrawable circuit breaker combines a 2500 A rated current with the advanced PR122/P-LSIG electronic overcurrent release for comprehensive protection of industrial, commercial and infrastructure power installations.
The E3S2500 is equipped with ABB's PR122/P-LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground-fault protection. This LSIG configuration enables effective protection against overloads, short circuits and earth faults, while the PR122/P platform provides advanced protection and measurement capabilities for sophisticated low-voltage distribution applications.
With a rated current of 2500 A, a three-pole withdrawable configuration and an E3S short-circuit performance level of 75 kA, the 1SDA056293R1 is engineered for high-current switchboards where maintainability, operational flexibility and dependable fault protection are essential. Its withdrawable moving-part design allows the breaker to be removed from its fixed cradle for inspection, servicing or replacement.
Key Advantages
- High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2500 A rated current for high-current industrial and commercial applications.
- PR122/P-LSIG electronic overcurrent release for comprehensive circuit protection.
- LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
- 75 kA short-circuit breaking capacity across demanding low-voltage applications.
- Three-pole withdrawable moving-part design supports easier maintenance and replacement within compatible switchgear.
- Integrated earth-fault protection provides additional protection for electrical distribution systems.
- Four auxiliary change-over contacts support circuit-breaker status monitoring and control.
Key Features
- ABB SACE Emax E3S2500 series air circuit breaker.
- 2500 A rated uninterrupted current.
- Three-pole configuration.
- Withdrawable moving-part version.
- PR122/P-LSIG electronic overcurrent release.
- LSIG protection covering long-time, short-time, instantaneous and ground-fault protection.
- Rated operational voltage up to 690 V AC.
- Rated insulation voltage of 1000 V.
- Rated impulse withstand voltage of 12 kV.
- 75 kA rated ultimate and service short-circuit breaking capacity.
- 75 kA for 1 s rated short-time withstand current.
- Four auxiliary change-over contacts with circuit-breaker open/closed position indication.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB E3S2500 provide switching, isolation and protection for high-current low-voltage distribution systems. By detecting overload, short-circuit and ground-fault conditions, the breaker can interrupt potentially damaging fault currents and help protect electrical infrastructure, connected equipment, busbars and distribution conductors.
The integrated PR122/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection for comprehensive fault management. Combined with the E3S breaker's 75 kA short-circuit performance, 2500 A current rating and withdrawable construction, the 1SDA056293R1 is particularly suitable for main incomers, high-current feeders and critical distribution circuits requiring advanced protection and convenient maintainability.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plants.
- Commercial and large-building electrical distribution.
- Main incomer and high-current feeder protection.
- Generator and transformer distribution circuits.
- Installations requiring ground-fault protection.
- Power control centres and withdrawable switchgear assemblies.
- Infrastructure and utility installations.
Technical Specifications
| Product group | 310513-New Emax |
|---|---|
| Series | SACE Emax / New Emax E3 |
| ABB order code | 1SDA056293R1 |
| Product type | Air circuit breaker moving part |
| Frame / performance type | E3S |
| Rated current (In) | 2500 A |
| Rated operational current (Ie) | 2500 A |
| Rated uninterrupted current (Iu) | 2500 A |
| Number of poles | 3 |
| Version | Withdrawable (W) |
| Configuration | Moving part (MP) |
| Trip unit | PR122/P-LSIG electronic overcurrent release |
| Protection functions | LSIG – long-time, short-time, instantaneous and ground fault |
| Integrated earth-fault protection | Yes |
| Overload release setting range | 1000–2500 A |
| Instantaneous short-circuit release setting range | 3750–37500 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated ultimate short-circuit breaking capacity (Icu) | 75 kA |
| Rated service short-circuit breaking capacity (Ics) | 75 kA |
| Rated short-time withstand current (Icw) | 75 kA for 1 s; 65 kA for 3 s |
| Current type | AC |
| Power loss | 350 W |
| Electrical durability | 8000 cycles at ≤440 V AC; 7000 cycles at 500–690 V AC |
| Mechanical durability | 20,000 cycles |
| Auxiliary contacts | 4 change-over contacts |
| Position indication | Circuit breaker open / closed |
| Motor drive | Optional |
| Dimensions (H × W × D) | 461 × 432 × 396.5 mm |
| Net weight | 64 kg |
| EAN | 8015644576332 |
| Customs tariff number | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA056293R1 used for?
The ABB 1SDA056293R1 is a withdrawable air circuit breaker moving part used for switching and protecting high-current low-voltage electrical distribution circuits against overload, short-circuit and ground-fault conditions.
What is the rated current of the ABB E3S2500 1SDA056293R1?
The circuit breaker has a rated current of 2500 A, making it suitable for high-current power distribution applications.
What protection unit is fitted to this circuit breaker?
The 1SDA056293R1 is fitted with an ABB PR122/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and ground-fault protection functions.
What does LSIG protection mean?
LSIG denotes long-time overload protection, short-time short-circuit protection, instantaneous short-circuit protection and ground-fault protection, providing comprehensive protection for low-voltage distribution circuits.
What is the short-circuit breaking capacity of the ABB E3S2500?
The E3S performance level provides a rated ultimate short-circuit breaking capacity of 75 kA, making it suitable for electrical systems with high prospective fault currents.
Is the ABB 1SDA056293R1 fixed or withdrawable?
The 1SDA056293R1 is a three-pole withdrawable circuit-breaker moving part designed for use with the corresponding ABB SACE Emax fixed part within compatible low-voltage switchgear.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers provide robust high-current switching and advanced electronic circuit protection for demanding low-voltage distribution systems, combining high short-circuit performance with flexible protection and maintainable withdrawable switchgear configurations.
