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1SDA058283R1 ABB E2S 800 PR121/P-LSI 800 A 3-Pole Air Circuit Breaker
ABB 1SDA058283R1 is a SACE Emax E2S 800 A three-pole fixed air circuit breaker with horizontal rear terminals and a PR121/P-LSI electronic overcurrent release providing long-time, short-time and instantaneous protection.
£7,775.11
Why Choose the ABB 1SDA058283R1 E2S 800 Air Circuit Breaker?
The ABB 1SDA058283R1 is a high-performance SACE Emax E2S air circuit breaker designed for dependable protection and switching of low-voltage AC power distribution systems. This three-pole fixed circuit breaker has a rated current of 800 A and incorporates an ABB PR121/P-LSI electronic overcurrent release providing long-time, short-time and instantaneous protection.
As part of the ABB SACE Emax range, the E2S 800 combines robust current-carrying capability with high short-circuit performance for industrial switchboards and power distribution installations. The E2S performance level provides a rated ultimate short-circuit breaking capacity of 85 kA at 400 V AC, while the electronic trip unit enables coordinated protection of demanding electrical distribution circuits.
This configuration is a three-pole fixed version with horizontal rear terminals. It has an 800 A rated uninterrupted current and is equipped with the PR121/P-LSI R800 overcurrent release, making it suitable for protecting feeders, distribution circuits and major industrial electrical loads.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for industrial power distribution.
- 800 A rated uninterrupted current for high-current electrical circuits.
- Three-pole fixed configuration for permanent switchboard installation.
- PR121/P-LSI electronic release provides long-time, short-time and instantaneous protection.
- High short-circuit breaking performance of 85 kA at 400 V AC.
- Horizontal rear terminals facilitate integration with switchboard busbar systems.
Key Features
- ABB SACE Emax E2S 800 circuit breaker platform.
- 800 A rated uninterrupted current.
- 3-pole construction.
- Fixed circuit-breaker version.
- PR121/P-LSI R800 electronic overcurrent release.
- Long-time, short-time and instantaneous LSI protection functions.
- 85 kA ultimate short-circuit breaking capacity at 400 V AC.
- 65 kA short-time withstand current for 1 s.
- Horizontal rear terminal connections.
- Designed for low-voltage industrial power distribution and switchgear applications.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E2S protect high-current low-voltage distribution circuits against damaging overloads and short circuits. The electronic PR121/P-LSI release monitors circuit current and provides long-time overload, short-time selective and instantaneous short-circuit protection to support effective coordination within electrical distribution systems.
The E2S platform is designed for industrial switchboards and distribution assemblies where high current capacity, dependable interruption and coordinated electrical protection are required. Its fixed construction and horizontal rear terminals make this configuration particularly suitable for permanent integration into low-voltage switchgear and power distribution panels.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming and feeder circuit protection.
- Manufacturing plant electrical distribution.
- Commercial and infrastructure power distribution systems.
- Transformer secondary distribution circuits.
- High-current electrical panels and switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA058283R1 |
| Product type | Air circuit breaker |
| Frame / subtype | E2S |
| Rated current (In) | 800 A |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LSI R800 |
| Release type | Electronic overcurrent release |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Rated ultimate short-circuit breaking capacity (Icu) at 400 V AC | 85 kA |
| Rated short-time withstand current (Icw) | 65 kA for 1 s |
| Overload release adjustment range | 320–800 A |
| Short-time short-circuit release adjustment range | 800–8000 A |
| Version | Fixed |
| Terminal connection | Horizontal rear terminals |
| Protection rating | IP2X |
Frequently Asked Questions
What is the ABB 1SDA058283R1?
The ABB 1SDA058283R1 is a SACE Emax E2S 800 air circuit breaker with an 800 A rating, three poles, fixed construction, horizontal rear terminals and a PR121/P-LSI R800 electronic overcurrent release.
What is the rated current of the ABB 1SDA058283R1?
The circuit breaker has a rated uninterrupted current of 800 A.
Which trip unit is fitted to this E2S 800 circuit breaker?
It is fitted with an ABB PR121/P-LSI R800 electronic overcurrent release.
What protection functions does the PR121/P-LSI provide?
The PR121/P-LSI provides long-time, short-time and instantaneous protection, commonly abbreviated as LSI, for overload and short-circuit protection.
Is the ABB 1SDA058283R1 fixed or withdrawable?
This model is a fixed three-pole circuit breaker with horizontal rear terminal connections.
What is the breaking capacity of this ABB E2S breaker?
The E2S 800 has a rated ultimate short-circuit breaking capacity of 85 kA at 400 V AC.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power distribution systems, supporting industrial switchboard designers and electrical engineers with robust overcurrent protection and high short-circuit performance.
