Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA057223R1 ABB E1B-A 800 PR122/P-LSI 800 A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA057223R1 E1B-A 800 PR122/P-LSI is an 800 A three-pole fixed SACE Emax air circuit breaker with rear horizontal terminals, a PR122/P-LSI R800 electronic overcurrent release, four auxiliary contacts and open/closed position indication.
£6,865.73
Why Choose the ABB E1B-A 800 PR122/P-LSI 800 A Air Circuit Breaker?
The ABB E1B-A 800 PR122/P-LSI, order code 1SDA057223R1, is a SACE Emax E1B-A air circuit breaker designed for protection, switching and isolation in low-voltage power distribution systems. Rated at 800 A, this three-pole fixed breaker combines the compact E1B-A platform with ABB's PR122/P-LSI R800 electronic overcurrent release.
This UL configuration forms part of the ABB SACE Emax family and is intended for industrial switchboards, distribution panels and infrastructure applications requiring dependable electronic overcurrent protection. The PR122/P-LSI release provides long-time overload, short-time short-circuit and instantaneous short-circuit protection, supporting coordinated protection of important distribution circuits.
The breaker is supplied in a three-pole fixed configuration with rear horizontal terminals. It incorporates an Im 12000 A configuration, four auxiliary contacts and open/closed position indication, providing a practical solution for fixed switchboard installations requiring protection, status signalling and reliable circuit isolation.
Key Advantages
- 800 A rated current for substantial low-voltage distribution circuits.
- PR122/P-LSI R800 electronic overcurrent release for comprehensive circuit protection.
- LSI protection functions provide long-time overload, short-time short-circuit and instantaneous short-circuit protection.
- Three-pole fixed configuration for permanent switchboard installations.
- Rear horizontal terminals provide a practical connection arrangement for switchgear busbars.
- Im 12000 A configuration for the E1B-A 800 breaker.
- Fitted with four auxiliary contacts and open/closed position indication.
- UL configuration for applications requiring the corresponding ABB E1B-A breaker variant.
Key Features
- ABB SACE Emax E1B-A series.
- 800 A rated current.
- Three-pole configuration.
- Fixed execution.
- Rear horizontal terminals.
- PR122/P-LSI R800 electronic overcurrent release.
- Long-time overload protection (L).
- Short-time short-circuit protection (S).
- Instantaneous short-circuit protection (I).
- Im 12000 A configuration.
- Four auxiliary contacts for breaker status signalling.
- Open/closed breaker position indication.
Advanced LSI Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax E1 provide switching, isolation and overcurrent protection for low-voltage electrical distribution systems. The compact E1B-A frame and 800 A current rating make this configuration suitable for incoming and feeder circuits in industrial, commercial and infrastructure switchboards.
The PR122/P-LSI electronic release combines long-time overload, short-time short-circuit and instantaneous short-circuit protection. The short-time protection function can support improved selectivity with downstream protective devices, helping protect conductors, busbars and connected equipment while maintaining coordinated operation across the distribution system.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial incoming and feeder circuits.
- Manufacturing and process plant electrical systems.
- Commercial building power distribution.
- Transformer secondary distribution circuits.
- Fixed switchgear and distribution assemblies.
- Infrastructure and critical low-voltage power systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Frame | E1 |
| Performance level | B-A |
| Extended product type | E1B-A 800 PR122/P-LSI In=800A 3p F HR |
| ABB order code | 1SDA057223R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 800 A |
| Number of poles | 3 |
| Execution | Fixed |
| Main terminals | Rear horizontal |
| Trip unit | PR122/P-LSI |
| Trip unit rated current | R800 / 800 A |
| Protection functions | L, S, I |
| Protection type | Electronic overcurrent protection |
| Instantaneous setting designation | Im 12000 A |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Approval configuration | UL |
| Net weight | 40 kg |
| EAN | 8015644594862 |
| HS code | 85362090 |
Frequently Asked Questions
What is the ABB E1B-A 800 PR122/P-LSI used for?
This SACE Emax air circuit breaker is designed for switching and protecting low-voltage power distribution circuits in industrial, commercial and infrastructure switchgear.
What is the rated current of the ABB 1SDA057223R1?
The ABB 1SDA057223R1 has a rated current of 800 A and is fitted with a PR122/P-LSI R800 electronic overcurrent release.
What protection functions does the PR122/P-LSI trip unit provide?
The PR122/P-LSI provides LSI protection, comprising long-time overload, short-time short-circuit and instantaneous short-circuit protection.
Is the ABB E1B-A 800 PR122/P-LSI fixed or withdrawable?
ABB order code 1SDA057223R1 is a three-pole fixed air circuit breaker supplied with rear horizontal terminals.
What auxiliary signalling is fitted to the ABB 1SDA057223R1?
The breaker is fitted with four auxiliary contacts together with open/closed position indication for breaker status signalling.
Trusted by Electrical Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable low-voltage power distribution, combining electronic overcurrent protection, robust switching performance and flexible switchboard integration for industrial, commercial and critical electrical systems.
