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.
1SDA058589R1 ABB E1N 1250 PR122/P-LSI Rc 1250 A 3-Pole Air Circuit Breaker Moving Part
ABB 1SDA058589R1 is a SACE Emax E1N 1250 A three-pole withdrawable air circuit breaker moving portion with a PR122/P-LSI Rc R1250 electronic protection release, four auxiliary contacts and open/closed position indication.
£9,404.36
Why Choose the ABB 1SDA058589R1 E1N 1250 Air Circuit Breaker Moving Part?
The ABB 1SDA058589R1 is a high-performance SACE Emax E1N 1250 air circuit breaker moving part designed for dependable protection and switching in low-voltage power distribution systems. This three-pole withdrawable moving portion has a rated current of 1250 A and incorporates an ABB PR122/P-LSI Rc R1250 electronic overcurrent release.
As part of the ABB SACE Emax range, the E1N 1250 combines high-current switching capability with the service flexibility of a withdrawable circuit-breaker system. The moving portion is designed to operate with the corresponding fixed part, allowing the breaker to be connected, isolated and removed as required during switchboard operation, inspection and maintenance.
The 1SDA058589R1 is an 1250 A, three-pole withdrawable moving part fitted with the PR122/P-LSI Rc R1250 protection release. It also incorporates four auxiliary contacts and open/closed circuit-breaker position indication, supporting status monitoring and integration into industrial switchgear control systems.
Key Advantages
- Genuine ABB SACE Emax E1N 1250 moving part for withdrawable circuit-breaker installations.
- 1250 A rated current for high-current low-voltage distribution systems.
- Three-pole configuration for three-phase electrical networks.
- PR122/P-LSI Rc R1250 electronic release for advanced circuit protection.
- Provides long-time, short-time and instantaneous overcurrent protection.
- Rc residual-current protection functionality extends the protection capabilities of the release.
- Fitted with four auxiliary contacts for circuit-breaker status signalling.
- Includes open/closed position indication for operational monitoring.
Key Features
- ABB SACE Emax E1N 1250 circuit-breaker platform.
- 1250 A rated current.
- 3-pole construction.
- Withdrawable moving portion.
- PR122/P-LSI Rc R1250 electronic protection release.
- LSI protection functions: long-time, short-time and instantaneous.
- Rc residual-current protection.
- Four auxiliary contacts for status and control circuits.
- Open/closed circuit-breaker position indication.
- Designed for integration with the corresponding SACE Emax E1 fixed part.
Comprehensive Protection for Withdrawable Power Distribution Systems
Withdrawable air circuit breakers provide high-current circuit protection while allowing the breaker moving portion to be isolated and removed from its corresponding fixed part. This architecture is particularly valuable in industrial switchboards where servicing, inspection and replacement need to be carried out efficiently within a structured low-voltage power distribution system.
The ABB PR122/P-LSI Rc electronic release combines long-time, short-time and instantaneous overcurrent protection with residual-current functionality. Together with the E1N withdrawable architecture, four auxiliary contacts and open/closed position indication, the 1SDA058589R1 provides comprehensive protection and operational monitoring for demanding low-voltage switchgear installations.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming circuit protection.
- High-current feeder protection.
- Manufacturing plant power distribution.
- Commercial and infrastructure electrical distribution.
- Withdrawable switchgear and power distribution assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA058589R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker moving portion |
| Frame / performance level | E1N |
| Rated current (In) | 1250 A |
| Number of poles | 3 |
| Trip unit | PR122/P-LSI Rc R1250 |
| Release type | Electronic protection release |
| Overcurrent protection functions | Long-time, short-time and instantaneous (LSI) |
| Additional protection | Rc residual-current protection |
| Installation version | Withdrawable moving portion |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Product weight | 55 kg |
| EAN | 8015644609351 |
Frequently Asked Questions
What is the ABB 1SDA058589R1?
The ABB 1SDA058589R1 is a SACE Emax E1N 1250 three-pole withdrawable air circuit breaker moving portion rated at 1250 A and fitted with a PR122/P-LSI Rc R1250 electronic protection release.
What is the rated current of the ABB 1SDA058589R1?
The E1N moving portion has a rated current of 1250 A.
Which trip unit is fitted to the ABB 1SDA058589R1?
It is fitted with an ABB PR122/P-LSI Rc R1250 electronic protection release.
What protection functions does the PR122/P-LSI Rc provide?
The release provides long-time, short-time and instantaneous overcurrent protection together with Rc residual-current protection functionality.
Is the ABB 1SDA058589R1 fixed or withdrawable?
The 1SDA058589R1 is a withdrawable moving portion designed for use with the corresponding SACE Emax E1 fixed part.
Does the ABB 1SDA058589R1 include auxiliary contacts?
Yes. The moving portion is fitted with four auxiliary contacts and open/closed circuit-breaker position indication for status monitoring.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are widely used in industrial and commercial low-voltage distribution systems, providing robust electronic protection, flexible withdrawable switchgear integration and dependable switching for critical electrical infrastructure.
