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1SDA056748R1 ABB E3L2000 PR122/P-LSI 2000A 4-Pole Withdrawable Air Circuit Breaker Moving Part
ABB 1SDA056748R1 E3L2000 PR122/P-LSI is a 2000 A four-pole SACE Emax withdrawable air circuit breaker moving part with PR122/P-LSI electronic long-time, short-time and instantaneous overcurrent protection.
£21,401.95
Why Choose the ABB E3L2000 PR122/P-LSI 2000A Air Circuit Breaker Moving Part?
The ABB E3L2000 PR122/P-LSI, order code 1SDA056748R1, is a high-performance SACE Emax moving part for a withdrawable air circuit breaker designed for protection and switching in high-current low-voltage electrical distribution systems. Part of the proven ABB SACE Emax E3L series, this four-pole configuration combines a 2000 A rated current with the advanced PR122/P-LSI R2000 electronic overcurrent release.
The PR122/P-LSI trip unit provides long-time overload, short-time delayed short-circuit and instantaneous short-circuit protection. This combination helps safeguard switchboards, cables, busbars and connected equipment against damaging overcurrent conditions while supporting coordinated protection in demanding electrical distribution networks.
Designed as the moving portion of a four-pole withdrawable E3L circuit breaker, the 1SDA056748R1 is intended for use with the corresponding ABB SACE Emax fixed part. Its withdrawable architecture supports efficient inspection and maintenance, while the four-pole arrangement enables switching and protection of three phases and the neutral conductor in suitable power distribution systems.
Key Advantages
- Genuine ABB SACE Emax E3L moving part for withdrawable circuit-breaker assemblies.
- 2000 A rated current for high-current low-voltage distribution systems.
- Four-pole construction for three-phase and neutral distribution circuits.
- PR122/P-LSI R2000 electronic overcurrent release.
- LSI protection provides long-time, short-time and instantaneous overcurrent protection.
- Withdrawable construction supports convenient inspection, servicing and replacement.
- Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.
Key Features
- ABB SACE Emax E3L series.
- 2000 A rated uninterrupted current.
- Four-pole construction.
- Withdrawable moving-part execution.
- PR122/P-LSI R2000 electronic trip unit.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
- Designed for use with the corresponding E3L fixed part in withdrawable switchgear.
Reliable Protection for High-Power Distribution Systems
ABB SACE Emax air circuit breakers are designed to provide dependable switching and overcurrent protection for high-current low-voltage distribution systems. The PR122/P electronic release monitors circuit conditions and provides adjustable protection functions that help coordinate the protection of switchboards, feeders, busbars and connected electrical equipment.
The withdrawable E3L arrangement separates the circuit breaker into a removable moving part and a fixed part installed in the switchboard. This configuration is particularly useful in industrial and infrastructure applications where maintainability, rapid servicing and straightforward circuit-breaker replacement are important operational requirements.
Typical Applications
- Main incoming protection in low-voltage switchboards.
- Industrial power distribution systems.
- Transformer secondary distribution.
- High-current feeder protection.
- Manufacturing and process plants.
- Large commercial and infrastructure electrical installations.
- Four-wire distribution systems requiring neutral switching.
- Withdrawable switchgear requiring maintainable circuit-breaker assemblies.
Technical Specifications
| Series | SACE Emax E3L |
|---|---|
| ABB order code | 1SDA056748R1 |
| Product type | Air circuit breaker moving part |
| Rated uninterrupted current | 2000 A |
| Number of poles | 4 |
| Execution | Withdrawable moving part |
| Protection release | PR122/P-LSI R2000 |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Weight | approx. 96 kg |
| EAN | 8015644580889 |
Frequently Asked Questions
What is the ABB 1SDA056748R1?
The ABB 1SDA056748R1 is the moving part of a four-pole SACE Emax E3L withdrawable air circuit breaker, rated at 2000 A and fitted with a PR122/P-LSI R2000 electronic overcurrent release.
What protection functions does the PR122/P-LSI provide?
The PR122/P-LSI provides long-time overload, short-time short-circuit and instantaneous short-circuit protection, represented by the LSI designation.
What is the rated current of the ABB E3L2000 1SDA056748R1?
This E3L2000 moving part has a rated uninterrupted current of 2000 A.
How many poles does the ABB 1SDA056748R1 have?
This model has four poles, making it suitable for applications requiring switching of three phase conductors together with the neutral conductor.
Is the ABB 1SDA056748R1 a fixed circuit breaker?
No. The 1SDA056748R1 is a withdrawable moving part designed for use with the corresponding ABB SACE Emax E3L fixed part installed in the switchboard.
Trusted Protection for Industrial Power Distribution
ABB SACE Emax circuit breakers provide robust high-current protection and flexible switchgear integration, with withdrawable configurations supporting efficient servicing and dependable operation in demanding industrial and infrastructure power distribution systems.
