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1SDA056759R1 ABB SACE Emax E3L 2500 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA056759R1 is a SACE Emax E3L 2500 A three-pole fixed air circuit breaker with a PR123/P-LSIG electronic overcurrent release for comprehensive high-current low-voltage power distribution protection.
£24,242.20
Why Choose the ABB 1SDA056759R1 SACE Emax E3L 2500 A Circuit Breaker?
The ABB 1SDA056759R1 is a high-performance SACE Emax E3L air circuit breaker designed for reliable switching and protection of high-current low-voltage electrical distribution systems. Its product designation is E3L2500PR123/P-LSIGIn=2500A3pF, combining a 2500 A rated current, three-pole fixed construction and ABB's advanced PR123/P-LSIG electronic overcurrent release.
As part of the ABB SACE Emax range, this E3L circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The PR123/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, helping safeguard busbars, cables, switchgear and connected equipment against overloads, short circuits and earth faults.
The 1SDA056759R1 features a three-pole fixed configuration with a rated current of 2500 A. Its combination of high-current switching capability and comprehensive LSIG electronic protection makes it suitable for critical distribution circuits where dependable fault protection, selective coordination and robust circuit-breaker performance are required.
Key Advantages
- Heavy-duty ABB SACE Emax E3L air circuit breaker for low-voltage power distribution.
- 2500 A rated current for demanding high-current electrical installations.
- Three-pole fixed configuration for permanent switchboard installation.
- Advanced PR123/P-LSIG electronic overcurrent release.
- LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
- Electronic protection supports effective coordination within complex low-voltage distribution systems.
- Fixed construction provides a robust solution for main incomers and high-current feeders.
- Part of ABB's established SACE Emax family of low-voltage air circuit breakers.
Key Features
- ABB SACE Emax E3L series.
- 2500 A rated current.
- Three-pole circuit-breaker construction.
- Fixed installation execution.
- PR123/P-LSIG electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Ground-fault protection.
- Advanced electronic protection for demanding distribution applications.
- Suitable for high-current low-voltage switchboards.
- Part of the ABB New Emax product group.
Advanced LSIG Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E3L protect major low-voltage distribution circuits while providing dependable switching and isolation. Electronic protection releases monitor electrical conditions and initiate tripping when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and downstream equipment from potentially damaging fault currents.
The PR123/P-LSIG release fitted to the 1SDA056759R1 provides comprehensive protection against overload, short-time and instantaneous short-circuit conditions, together with ground-fault protection. Combined with its 2500 A current rating, three-pole construction and fixed execution, this E3L circuit breaker is well suited to major distribution boards where advanced protection and dependable high-current switching are required.
Typical Applications
- Main low-voltage electrical distribution boards.
- Industrial power distribution systems.
- High-current incoming supplies and feeders.
- Commercial and infrastructure switchboards.
- Factory and manufacturing electrical installations.
- Transformer secondary distribution systems.
- Generator and standby power distribution systems.
- Installations requiring comprehensive LSIG electronic protection.
- High-current fixed circuit-breaker installations.
- OEM switchgear and panel-building applications.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Frame / type | E3L |
| ABB order code | 1SDA056759R1 |
| Product designation | E3L2500PR123/P-LSIGIn=2500A3pF |
| Product type | Air circuit breaker |
| Rated current | 2500 A |
| Number of poles | 3 |
| Installation | Fixed |
| Trip unit | PR123/P-LSIG |
| Trip unit type | Electronic |
| Protection functions | LSIG – long-time, short-time, instantaneous and ground-fault protection |
| Long-time protection | L – overload protection |
| Short-time protection | S – delayed short-circuit protection |
| Instantaneous protection | I – instantaneous short-circuit protection |
| Ground-fault protection | G – earth-fault / ground-fault protection |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA056759R1 used for?
The ABB 1SDA056759R1 is a 2500 A SACE Emax E3L air circuit breaker used for switching and protecting high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure applications.
What is the rated current of the ABB 1SDA056759R1?
The circuit breaker has a rated current of 2500 A.
Which trip unit is fitted to the ABB 1SDA056759R1?
The 1SDA056759R1 is fitted with an ABB PR123/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and ground-fault protection functions.
What protection functions does the ABB 1SDA056759R1 provide?
The PR123/P-LSIG release provides LSIG protection: long-time overload protection, short-time short-circuit protection, instantaneous short-circuit protection and ground-fault protection.
Is the ABB 1SDA056759R1 fixed or withdrawable?
The 1SDA056759R1 is a three-pole fixed SACE Emax E3L air circuit breaker intended for permanent installation within compatible low-voltage switchgear.
Trusted Power Protection from ABB
ABB SACE Emax air circuit breakers are engineered for dependable protection, switching and control in demanding low-voltage power distribution systems, combining high-current performance with advanced electronic overcurrent and ground-fault protection.
