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1SDA057879R1 ABB E4H-A 3200 PR121/P-LI 3200 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057879R1 is a SACE New Emax E4H-A three-pole fixed air circuit breaker rated at 3200 A and equipped with a PR121/P-LI electronic overcurrent release for long-time and instantaneous protection.
£20,041.51
Why Choose the ABB E4H-A 3200 PR121/P-LI 1SDA057879R1 Air Circuit Breaker?
The ABB E4H-A 3200 PR121/P-LI, order code 1SDA057879R1, is a high-current three-pole fixed air circuit breaker (ACB) from the ABB SACE New Emax range, designed for protection and switching in demanding low-voltage power distribution systems. Rated at 3200 A, this E4H-A configuration combines robust New Emax breaker construction with the PR121/P-LI electronic overcurrent release.
The PR121/P-LI trip unit provides long-time overload and instantaneous short-circuit protection. These LI protection functions allow the breaker to respond to sustained overcurrent conditions and severe short circuits, helping protect conductors, busbars, switchgear and connected electrical equipment within high-current distribution networks.
With a rated current of 3200 A, a three-pole configuration and fixed (F) installation, the 1SDA057879R1 is intended for permanent integration into compatible low-voltage switchgear. The E4H-A platform is suited to high-current main distribution and feeder applications where dependable electronic overcurrent protection and robust switching performance are required.
Key Advantages
- Heavy-duty ABB SACE New Emax air circuit breaker for high-current low-voltage distribution.
- 3200 A rated current for demanding industrial and commercial installations.
- Three-pole configuration for three-phase electrical distribution systems.
- PR121/P-LI electronic overcurrent release for dependable circuit protection.
- LI protection provides long-time overload and instantaneous short-circuit protection.
- Fixed breaker construction for permanent switchboard integration.
- Robust E4H-A platform suited to main distribution and high-current feeder protection.
Key Features
- ABB SACE New Emax E4H-A circuit breaker platform.
- 3200 A rated current.
- Three-pole configuration.
- PR121/P-LI electronic trip unit.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- Fixed (F) breaker construction.
- Electronic overcurrent protection for high-current distribution systems.
- Designed for low-voltage industrial and commercial switchgear applications.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE New Emax E4H-A are designed to protect high-current low-voltage electrical distribution systems against potentially damaging overcurrent conditions. The electronic trip unit monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and connected electrical equipment.
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 3200 A E4H-A platform and fixed installation format, the 1SDA057879R1 is well suited to applications requiring dependable high-current switching and electronic circuit protection.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incoming and distribution switchboards.
- Industrial plants and manufacturing facilities.
- Commercial building electrical distribution.
- High-current feeder and circuit protection.
- Power distribution centres and switchgear assemblies.
Technical Specifications
| Series | SACE New Emax |
|---|---|
| ABB product group | 310513-New Emax |
| Order code / MPN | 1SDA057879R1 |
| Product type | Air circuit breaker |
| Frame | E4H-A |
| Rated current | 3200 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LI |
| Protection functions | Long-time (L) and instantaneous (I) |
| Installation | Fixed |
| Current type | AC |
Frequently Asked Questions
What is the ABB 1SDA057879R1 used for?
The ABB 1SDA057879R1 is a SACE New Emax E4H-A air circuit breaker designed to protect and switch high-current low-voltage electrical distribution circuits in industrial and commercial installations.
What is the rated current of the ABB E4H-A 1SDA057879R1?
The circuit breaker has a rated current of 3200 A.
Which trip unit is fitted to the ABB 1SDA057879R1?
The breaker is fitted with an ABB PR121/P-LI electronic overcurrent release.
What protection functions does the PR121/P-LI provide?
The PR121/P-LI provides long-time overload and instantaneous short-circuit protection, identified by the L and I protection functions.
Is the ABB 1SDA057879R1 fixed or withdrawable?
The 1SDA057879R1 is a fixed (F) three-pole air circuit breaker intended for permanent integration into compatible low-voltage switchgear.
Trusted ABB Power Distribution Technology
ABB SACE New Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power distribution systems, combining robust breaker construction with electronic protection for industrial and commercial switchgear.
