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1SDA057655R1 ABB E3H-A 2500 PR121/P-LI 2500 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057655R1 SACE Emax E3H-A 2500 A three-pole fixed air circuit breaker with PR121/P-LI electronic overcurrent protection for demanding low-voltage power distribution applications.
£15,096.05
Why Choose the ABB 1SDA057655R1 E3H-A 2500 Air Circuit Breaker?
The ABB 1SDA057655R1 is a high-performance SACE Emax E3H-A 2500 air circuit breaker designed for dependable switching and protection in demanding low-voltage power distribution systems. This three-pole fixed circuit breaker has a rated current of 2500 A and forms part of ABB's established SACE Emax range for industrial and commercial power distribution.
Equipped with an ABB PR121/P-LI electronic overcurrent release, the 1SDA057655R1 provides long-time and instantaneous protection functions. This LI protection combination helps safeguard cables, busbars, switchgear and connected equipment against overload and high-level short-circuit conditions while providing dependable protection for high-current distribution circuits.
The E3H-A performance class is engineered for applications requiring robust fault interruption and reliable operation. Its fixed three-pole construction makes the 1SDA057655R1 suitable for permanent installation in compatible low-voltage switchboards, including main incomer, feeder and distribution applications.
Key Advantages
- High-performance ABB SACE Emax air circuit breaker for demanding power distribution applications.
- 2500 A rated current for high-current electrical systems.
- Three-pole configuration for three-phase power distribution.
- PR121/P-LI electronic overcurrent release for dependable circuit protection.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Fixed construction for permanent switchboard installations.
- E3H-A performance class for demanding industrial circuit-protection requirements.
- Electronic trip technology supports consistent and accurate overcurrent protection.
- Designed for integration into industrial and commercial low-voltage distribution systems.
Key Features
- ABB SACE Emax E3H-A 2500 series.
- 2500 A rated current.
- PR121/P-LI electronic overcurrent release.
- LI protection functions: long-time and instantaneous.
- Three-pole circuit-breaker configuration.
- Fixed installation arrangement.
- Electronic trip-unit technology for overcurrent protection.
- Suitable for high-current three-phase electrical distribution.
- Part of ABB product group 310513-New Emax.
- ABB order code 1SDA057655R1.
Reliable High-Current Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax are designed to provide switching, isolation and overcurrent protection in high-current low-voltage electrical distribution systems. They help protect important distribution equipment, including cables, busbars and switchgear, against potentially damaging overload and short-circuit conditions.
The PR121/P-LI electronic release provides long-time protection against sustained overload conditions together with instantaneous protection against severe short circuits. Combined with the E3H-A platform and 2500 A current rating, the 1SDA057655R1 provides a robust protection solution for demanding industrial and commercial power distribution applications.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incomer protection in electrical switchboards.
- High-current feeder protection.
- Manufacturing and process plant electrical distribution.
- Commercial and industrial switchgear assemblies.
- High-current three-phase distribution circuits.
- Power distribution centres and electrical infrastructure.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Order code / Product ID | 1SDA057655R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 2500 A |
| Number of poles | 3 |
| Overcurrent release | PR121/P-LI |
| Release type | Electronic |
| Protection functions | LI (long-time and instantaneous) |
| Installation type | Fixed |
| Performance class | E3H-A |
Frequently Asked Questions
What is the ABB 1SDA057655R1 used for?
The ABB 1SDA057655R1 is a 2500 A three-pole SACE Emax air circuit breaker designed for switching and overcurrent protection in high-current low-voltage power distribution systems.
What is the rated current of the ABB 1SDA057655R1?
The ABB 1SDA057655R1 has a rated current of 2500 A, making it suitable for demanding high-current distribution circuits.
Which trip unit is fitted to the ABB 1SDA057655R1?
The circuit breaker is fitted with an ABB PR121/P-LI electronic overcurrent release, providing long-time and instantaneous protection functions.
What does LI protection mean on the ABB 1SDA057655R1?
LI denotes long-time and instantaneous protection. Long-time protection responds to sustained overload conditions, while instantaneous protection responds rapidly to high-level short-circuit faults.
Is the ABB 1SDA057655R1 fixed or withdrawable?
The ABB 1SDA057655R1 is a fixed air circuit breaker designed for permanent installation within a compatible low-voltage switchboard or switchgear assembly.
Trusted Industrial Power Protection from ABB
ABB SACE Emax air circuit breakers provide dependable switching and electronic protection for demanding low-voltage power distribution systems, supporting industrial and commercial switchboard applications where reliable high-current circuit protection is essential.
