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1SDA058282R1 ABB E2S 800 PR121/P-LI 800 A 3-Pole Air Circuit Breaker
ABB 1SDA058282R1 is a SACE Emax E2S 800 A three-pole fixed air circuit breaker with rear horizontal terminals and a PR121/P-LI electronic overcurrent release for industrial low-voltage power distribution protection.
£7,227.45
Why Choose the ABB 1SDA058282R1 E2S 800 Air Circuit Breaker?
The ABB 1SDA058282R1 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-LI electronic overcurrent release for long-time overload and instantaneous short-circuit protection.
As part of the ABB SACE Emax range, the E2S 800 combines high current-carrying capability with robust short-circuit performance for industrial switchboards and power distribution installations. The S performance level provides a rated ultimate short-circuit breaking capacity of up to 85 kA at 400 V AC, while the electronic trip unit provides configurable protection appropriate for demanding electrical distribution applications.
This configuration is a three-pole fixed version with rear horizontal terminals. It has an 800 A rated uninterrupted current, a rated operational voltage of up to 690 V AC, and is supplied with the PR121/P-LI 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 current for high-current electrical circuits.
- Three-pole fixed configuration for permanent switchboard installation.
- PR121/P-LI electronic release provides overload and instantaneous short-circuit protection.
- High breaking performance of up to 85 kA at 400 V AC.
- Rear horizontal terminals support practical switchboard busbar connections.
Key Features
- ABB SACE Emax E2S circuit breaker platform.
- 800 A rated uninterrupted current.
- 3-pole construction.
- Fixed circuit-breaker version.
- PR121/P-LI electronic overcurrent release.
- Long-time and instantaneous LI protection functions.
- 690 V AC rated operational voltage.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Rear flat horizontal terminal connections.
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 overcurrents and short circuits. The electronic PR121/P-LI release monitors circuit current and provides long-time overload protection together with instantaneous protection against severe short-circuit conditions.
The E2S platform is engineered for industrial switchboards and distribution assemblies where high current capacity, dependable interruption and coordinated electrical protection are required. The fixed construction and rear horizontal terminals make this configuration particularly suitable for permanent integration into low-voltage switchgear and power distribution panels.
Typical Applications
- Industrial low-voltage switchboards.
- Main and feeder circuit protection.
- Manufacturing plant electrical distribution.
- Commercial and infrastructure power distribution systems.
- Transformer secondary and distribution circuits.
- High-current electrical panels and switchgear assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA058282R1 |
| Product type | Air circuit breaker |
| Frame / subtype | E2 |
| Performance level | S |
| Rated current (In) | 800 A |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Current type | AC |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Trip unit | PR121/P-LI |
| Release type | Electronic |
| Protection functions | Long-time and instantaneous (LI) |
| Rated ultimate breaking capacity (Icu) at 400 V AC | 85 kA |
| Rated service breaking capacity (Ics) at 400 V AC | 85 kA |
| Rated short-time withstand current (Icw) | 65 kA for 1 s |
| Version | Fixed |
| Terminal connection | Rear flat horizontal |
| Standard | IEC |
| Product net dimensions (W × H × D) | 296 × 418 × 302 mm |
| Product net weight | 45 kg |
Frequently Asked Questions
What is the ABB 1SDA058282R1?
The ABB 1SDA058282R1 is a SACE Emax E2S 800 air circuit breaker with an 800 A rating, three poles, fixed construction, rear horizontal terminals and a PR121/P-LI electronic protection release.
What is the rated current of the ABB 1SDA058282R1?
The circuit breaker has a rated current and 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-LI electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection.
Is the ABB 1SDA058282R1 fixed or withdrawable?
This model is a fixed three-pole circuit breaker with rear flat horizontal 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.
What applications is the ABB E2S 800 suitable for?
It is designed for high-current low-voltage distribution applications including industrial switchboards, main and feeder protection, manufacturing facilities and commercial power distribution systems.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are designed for dependable protection and switching in demanding low-voltage power distribution systems, providing industrial switchboard designers and electrical engineers with robust circuit protection and high short-circuit performance.
