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1SDA056749R1 ABB E3L2000 PR122/P-LSIG 2000A 4-Pole Withdrawable Air Circuit Breaker Moving Part
ABB 1SDA056749R1 E3L2000 PR122/P-LSIG is a 2000 A four-pole SACE Emax withdrawable air circuit breaker moving part with comprehensive LSIG electronic protection for high-current low-voltage power distribution.
£22,345.09
Why Choose the ABB E3L2000 PR122/P-LSIG 2000A Air Circuit Breaker Moving Part?
The ABB E3L2000 PR122/P-LSIG, order code 1SDA056749R1, 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-LSIG R2000 electronic overcurrent release.
The PR122/P-LSIG trip unit provides long-time overload, short-time delayed short-circuit, instantaneous short-circuit and ground-fault protection. These LSIG functions provide comprehensive protection for switchboards, busbars, cables and connected equipment while supporting selective and coordinated protection in demanding power distribution networks.
Designed as the moving portion of a four-pole withdrawable E3L circuit breaker, the 1SDA056749R1 operates with the corresponding ABB SACE Emax fixed part. It has a rated operational voltage of 690 V AC and provides an ultimate short-circuit breaking capacity of 130 kA at 400 V AC, making it suitable for demanding industrial and infrastructure 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-LSIG R2000 electronic overcurrent release.
- LSIG functions provide overload, short-time, instantaneous and ground-fault protection.
- 130 kA ultimate breaking capacity at 400 V AC for demanding fault levels.
- Withdrawable construction supports efficient inspection, servicing and replacement.
Key Features
- ABB SACE Emax E3L series.
- 2000 A rated uninterrupted current.
- Four-pole construction.
- Withdrawable moving-part execution.
- PR122/P-LSIG R2000 electronic trip unit.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Ground-fault (G) protection.
- 690 V AC rated operational voltage.
- Four auxiliary change-over contacts and open/closed position indication.
Reliable Protection for High-Power Distribution Systems
ABB SACE Emax air circuit breakers are designed to provide dependable switching, isolation and overcurrent protection for high-current low-voltage distribution systems. The PR122/P electronic release monitors circuit conditions and provides adjustable protection functions to 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. Combined with comprehensive LSIG protection and high short-circuit breaking capacity, this architecture is particularly suited to installations where protection performance, maintainability and efficient servicing are important operational requirements.
Typical Applications
- Main incoming protection in low-voltage switchboards.
- Industrial power distribution systems.
- Transformer secondary protection.
- Generator and utility distribution circuits.
- High-current feeder protection.
- Manufacturing and process plants.
- Large commercial and infrastructure electrical installations.
- Four-wire distribution systems requiring neutral switching.
Technical Specifications
| Series | SACE Emax E3L |
|---|---|
| ABB order code | 1SDA056749R1 |
| Product type | Air circuit breaker moving part |
| Rated uninterrupted current (Iu) | 2000 A |
| Rated operational current (Ie) | 2000 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Number of poles | 4 |
| Execution | Withdrawable moving part |
| Protection release | PR122/P-LSIG R2000 |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Ultimate short-circuit breaking capacity (Icu) at 400 V AC | 130 kA |
| Service short-circuit breaking capacity (Ics) at 400 V AC | 130 kA |
| Ultimate short-circuit breaking capacity (Icu) at 690 V AC | 85 kA |
| Power loss | 330 W |
| Mechanical durability | 15,000 cycles |
| Auxiliary contacts | 4 change-over contacts |
| Position indication | Circuit breaker open / closed |
| Dimensions (W × H × D) | 558 × 461 × 396.5 mm |
| Net weight | 81 kg |
| EAN | 8015644580896 |
Frequently Asked Questions
What is the ABB 1SDA056749R1?
The ABB 1SDA056749R1 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-LSIG R2000 electronic overcurrent release.
What protection functions does the PR122/P-LSIG provide?
The PR122/P-LSIG provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection, represented by the LSIG designation.
What is the rated current of the ABB E3L2000 1SDA056749R1?
This E3L2000 moving part has a rated uninterrupted current of 2000 A.
What is the breaking capacity of the ABB 1SDA056749R1?
The E3L2000 provides an ultimate short-circuit breaking capacity of 130 kA at 400 V AC and 85 kA at 690 V AC.
Is the ABB 1SDA056749R1 a fixed circuit breaker?
No. The 1SDA056749R1 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 advanced electronic releases and withdrawable configurations supporting dependable operation and efficient servicing in demanding industrial and infrastructure power distribution systems.
