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1SDA057641R1 ABB E3H-A 2000 PR122/P-LSI 2000 A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA057641R1 SACE Emax E3H-A 2000 A three-pole withdrawable air circuit breaker moving part with PR122/P-LSI R2000 electronic overcurrent release, 30000 A instantaneous setting, four auxiliary contacts and open/closed position indication.
£12,745.33
Why Choose the ABB E3H-A 2000 PR122/P-LSI 1SDA057641R1 Air Circuit Breaker?
The ABB 1SDA057641R1 is a SACE Emax E3H-A air circuit breaker moving part designed for reliable switching and protection in demanding low-voltage electrical distribution systems. Part of the ABB New Emax series, this three-pole withdrawable breaker combines a 2000 A rated current with the PR122/P-LSI electronic overcurrent release for industrial, commercial and infrastructure power distribution applications.
The breaker is equipped with an ABB PR122/P-LSI R2000 electronic trip unit, providing long-time, short-time and instantaneous overcurrent protection. Its LSI configuration supports protection against sustained overloads and short-circuit faults, while the specified instantaneous current setting is 30000 A.
Configured as a three-pole withdrawable moving part, the E3H-A 1SDA057641R1 is designed for use within a compatible SACE Emax withdrawable assembly. It is equipped with four auxiliary contacts and circuit-breaker open/closed position indication, supporting integration with switchgear signalling and control systems while allowing convenient isolation and removal for servicing.
Key Advantages
- Heavy-duty ABB SACE Emax E3H-A air circuit breaker moving part for low-voltage power distribution.
- 2000 A rated current for demanding high-current electrical installations.
- PR122/P-LSI R2000 electronic trip unit for comprehensive electronic overcurrent protection.
- LSI functions provide long-time, short-time and instantaneous protection.
- 30000 A instantaneous current setting for rapid response to severe short-circuit conditions.
- Three-pole withdrawable configuration supports convenient isolation, inspection, servicing and replacement.
- Four auxiliary contacts and open/closed position indication support switchgear signalling and control.
Key Features
- ABB SACE Emax E3H-A series.
- 2000 A rated current.
- Three-pole air circuit breaker moving part.
- PR122/P-LSI R2000 electronic overcurrent release.
- 30000 A instantaneous current setting.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Withdrawable moving-part configuration.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- UL version for compatible SACE Emax installations.
Advanced Withdrawable LSI Protection for Power Distribution
The ABB SACE Emax E3H-A platform is designed for demanding low-voltage distribution duties where dependable switching and electronic circuit protection are required. The PR122/P-LSI electronic trip unit provides long-time protection against sustained overloads, short-time protection against short-circuit conditions and instantaneous protection against severe fault currents.
The withdrawable construction of the 1SDA057641R1 provides additional flexibility for switchgear installations where serviceability and continuity planning are important. The moving part can be isolated and removed from its compatible fixed portion for inspection, maintenance or replacement, while the auxiliary contacts and open/closed position indication facilitate integration with switchgear monitoring and control systems.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical distribution.
- Manufacturing and process plant switchgear.
- Transformer and generator distribution circuits.
- High-current three-phase AC installations.
- Main incomer and feeder circuit protection.
- Distribution networks requiring coordinated LSI overcurrent protection.
- Withdrawable switchgear requiring serviceable circuit-breaker assemblies.
Technical Specifications
| Series | SACE Emax E3H-A |
|---|---|
| Product group | 310513-New Emax |
| Order code / MPN | 1SDA057641R1 |
| Product type | Air circuit breaker moving part |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | PR122/P-LSI R2000 |
| Trip unit rated current | 2000 A |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Instantaneous current setting | 30000 A |
| Installation | Withdrawable moving part |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Version | UL |
| Weight | 64 kg |
| EAN | 8015644599041 |
| Customs tariff / HS code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA057641R1 used for?
The ABB 1SDA057641R1 is a SACE Emax E3H-A air circuit breaker moving part designed for switching and protecting high-current low-voltage electrical distribution circuits in industrial, commercial and infrastructure applications.
What is the rated current of the ABB E3H-A 1SDA057641R1?
The ABB 1SDA057641R1 has a rated current of 2000 A and a three-pole configuration for high-current three-phase electrical distribution systems.
Which trip unit is fitted to the ABB 1SDA057641R1?
The breaker is equipped with an ABB PR122/P-LSI R2000 electronic overcurrent release, providing long-time, short-time and instantaneous overcurrent protection.
What does LSI protection mean on the ABB PR122/P trip unit?
LSI refers to long-time overload, short-time short-circuit and instantaneous short-circuit protection. These functions provide comprehensive electronic overcurrent protection and can support selective coordination within appropriately designed low-voltage distribution systems.
Is the ABB 1SDA057641R1 fixed or withdrawable?
The ABB 1SDA057641R1 is a withdrawable circuit breaker moving part designed for use within a compatible SACE Emax withdrawable assembly, allowing convenient isolation and removal for inspection, servicing or replacement.
Trusted by Electrical Professionals Worldwide
ABB SACE Emax air circuit breakers provide dependable switching and electronic protection for demanding low-voltage power distribution systems, with the E3H-A platform suited to industrial, commercial and infrastructure installations requiring robust high-current protection, advanced overcurrent coordination and maintainable withdrawable switchgear.
