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1SDA057531R1 ABB E3S-A 2500 PR121/P-LSI 2500 A 3-Pole Air Circuit Breaker
ABB 1SDA057531R1 SACE Emax E3S-A 2500 A three-pole fixed air circuit breaker with rear horizontal terminals and PR121/P-LSI R2500 electronic overcurrent protection for industrial low-voltage power distribution.
£12,327.43
Why Choose the ABB 1SDA057531R1 E3S-A 2500 Air Circuit Breaker?
The ABB 1SDA057531R1 is a high-performance SACE Emax E3S-A 2500 air circuit breaker designed for reliable switching and protection in demanding low-voltage power distribution systems. As part of the proven ABB SACE Emax series, this three-pole fixed circuit breaker incorporates a PR121/P-LSI electronic overcurrent release for dependable protection of high-current industrial electrical systems.
This circuit breaker combines robust construction with advanced electronic protection. The PR121/P-LSI R2500 release provides long-time, short-time and instantaneous protection functions, helping protect electrical distribution equipment against overload and short-circuit conditions. Four auxiliary contacts and circuit-breaker open/closed position indication support monitoring, signalling and integration within switchboards and control systems.
With a rated current of 2500 A, a three-pole configuration and fixed installation with rear horizontal terminals, the 1SDA057531R1 is suited to high-current industrial distribution boards, switchgear assemblies and power distribution systems where dependable circuit protection and switching performance are required.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for industrial power distribution.
- 2500 A rated current for high-current electrical systems.
- Three-pole configuration for three-phase power distribution.
- Advanced PR121/P-LSI electronic overcurrent release.
- LSI protection provides long-time, short-time and instantaneous overcurrent protection.
- Fixed installation provides a robust solution for permanent switchboard applications.
- Rear horizontal terminals support practical switchgear connection arrangements.
- Four auxiliary contacts support circuit-breaker status signalling and control.
- Open/closed circuit-breaker position indication for operational monitoring.
Key Features
- ABB SACE Emax E3S-A 2500 series.
- 2500 A rated current.
- PR121/P-LSI R2500 electronic overcurrent release.
- LSI protection functions: long-time, short-time and instantaneous.
- Three-pole circuit-breaker configuration.
- Fixed mounting arrangement.
- Rear horizontal terminals.
- Four auxiliary contacts fitted.
- Circuit-breaker open/closed position indication.
- Designed for AC low-voltage power distribution.
- ABB order code 1SDA057531R1.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax provide switching and overcurrent protection for high-current low-voltage electrical distribution systems. They help protect cables, busbars, switchgear and connected equipment against overload and short-circuit conditions while providing dependable circuit isolation and switching within industrial power networks.
The PR121/P-LSI electronic release provides long-time, short-time and instantaneous protection functions, enabling effective protection across a range of overcurrent conditions. Combined with the robust E3S-A platform, fixed construction and rear horizontal terminals, the 1SDA057531R1 is well suited to industrial switchboards requiring reliable high-current protection and straightforward integration.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incomer and feeder protection in electrical switchboards.
- Manufacturing and process plant electrical distribution.
- Commercial and industrial switchgear assemblies.
- High-current three-phase distribution circuits.
- Power distribution centres and electrical infrastructure.
- Fixed SACE Emax circuit-breaker installations.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Order code / Product ID | 1SDA057531R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 2500 A |
| Current type | AC |
| Number of poles | 3 |
| Overcurrent release | PR121/P-LSI R2500 |
| Release type | Electronic |
| Protection functions | LSI (long-time, short-time and instantaneous) |
| Instantaneous setting | 37500 A |
| Installation type | Fixed |
| Terminal arrangement | Rear horizontal |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Power loss | 205 W per pole at rated operating conditions |
| Electrical durability | 8,000 cycles |
| Mechanical durability | 15,000 cycles |
| Maximum operating frequency | 30 cycles per hour |
| Dimensions (W × H × D) | 404 × 418 × 302 mm |
| Net weight | 60 kg |
| EAN | 8015644597948 |
| Customs tariff number | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA057531R1 used for?
The ABB 1SDA057531R1 is a 2500 A three-pole SACE Emax air circuit breaker used for switching and overcurrent protection in industrial low-voltage power distribution systems.
What is the rated current of the ABB 1SDA057531R1?
The circuit breaker has a rated current of 2500 A and is equipped with a PR121/P-LSI R2500 electronic overcurrent release.
Which trip unit is fitted to this circuit breaker?
The 1SDA057531R1 is fitted with an ABB PR121/P-LSI R2500 electronic overcurrent release, providing long-time, short-time and instantaneous protection functions.
Is the ABB 1SDA057531R1 fixed or withdrawable?
This model is a fixed air circuit breaker with rear horizontal terminals, designed for permanent installation within a suitable electrical switchboard or switchgear assembly.
How many poles does the ABB 1SDA057531R1 have?
The ABB 1SDA057531R1 is a three-pole air circuit breaker designed for three-phase electrical distribution applications.
Trusted Industrial Power Protection from ABB
ABB SACE Emax air circuit breakers are widely used in industrial power distribution systems where dependable switching, electronic overcurrent protection and robust high-current performance are required.
