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1SDA057375R1 ABB E3N-A 2000 PR121/P-LSIG 2000 A 3-Pole Air Circuit Breaker
ABB 1SDA057375R1 SACE Emax E3N-A 2000 A three-pole fixed air circuit breaker with PR121/P-LSIG R2000 electronic trip unit providing long-time, short-time, instantaneous and ground-fault protection for low-voltage power distribution.
£12,799.53
Why Choose the ABB E3N-A 2000 PR121/P-LSIG 1SDA057375R1 Air Circuit Breaker?
The ABB 1SDA057375R1 is a high-performance SACE Emax E3N-A air circuit breaker designed for reliable switching and comprehensive protection of low-voltage electrical distribution systems. As part of the ABB SACE Emax series, this three-pole breaker combines a 2000 A rated current with the PR121/P-LSIG electronic overcurrent release for demanding industrial, commercial and infrastructure power distribution applications.
The breaker is equipped with an ABB PR121/P-LSIG R2000 electronic trip unit, providing long-time, short-time, instantaneous and ground-fault protection. These LSIG protection functions allow the circuit breaker to respond to overloads, short circuits and earth faults, helping protect cables, busbars, switchgear and connected electrical equipment.
With a rated current of 2000 A and a three-pole fixed configuration, the E3N-A 1SDA057375R1 is designed for high-current three-phase AC distribution systems. The breaker features rear horizontal terminals, four auxiliary contacts and open/closed position indication, supporting straightforward integration into compatible electrical switchboards and control systems.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2000 A rated current for demanding high-current installations.
- PR121/P-LSIG electronic overcurrent release for comprehensive circuit protection.
- LSIG functions provide long-time, short-time, instantaneous and ground-fault protection.
- Three-pole fixed configuration for three-phase AC distribution systems.
- Rear horizontal terminals support integration into compatible switchboard assemblies.
- Four auxiliary contacts and open/closed position indication support signalling and control.
Key Features
- ABB SACE Emax E3N-A series.
- 2000 A rated current.
- Three-pole air circuit breaker.
- PR121/P-LSIG R2000 electronic trip unit.
- Long-time overload protection.
- Short-time selective short-circuit protection.
- Instantaneous short-circuit protection.
- Ground-fault protection.
- Fixed circuit-breaker configuration.
- Rear horizontal terminals.
- Four auxiliary contacts.
- Open/closed circuit-breaker position indication.
Comprehensive Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3N-A are designed to switch and protect high-current low-voltage distribution circuits. The PR121/P-LSIG electronic trip unit monitors current conditions and provides multiple protection functions, enabling the breaker to respond to overloads, short circuits and ground faults while supporting effective protection coordination throughout the electrical distribution system.
The inclusion of ground-fault protection distinguishes the LSIG configuration from LSI-only variants and makes the 1SDA057375R1 suitable for installations requiring comprehensive fault protection. Its fixed construction, rear horizontal terminals, auxiliary contacts and breaker position indication provide a practical solution for integration into industrial switchboards, main distribution boards and other high-current power distribution assemblies.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical distribution.
- Manufacturing and process plant switchgear.
- Generator and transformer distribution circuits.
- High-current three-phase AC installations.
- Distribution systems requiring ground-fault protection.
Technical Specifications
| Series | SACE Emax E3N-A |
|---|---|
| Product group | 310513-New Emax |
| Order code / MPN | 1SDA057375R1 |
| Product type | Air circuit breaker |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LSIG R2000 |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Instantaneous current setting | 30000 A |
| Installation | Fixed |
| Terminal orientation | Rear horizontal |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Version | UL |
| Net weight | 60 kg |
| EAN | 8015644596385 |
| Customs tariff number | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA057375R1 used for?
The ABB 1SDA057375R1 is a SACE Emax E3N-A air circuit breaker 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 E3N-A 1SDA057375R1?
The circuit breaker has a rated current of 2000 A and a three-pole configuration for three-phase power distribution systems.
Which trip unit is fitted to the ABB 1SDA057375R1?
The breaker is fitted with an ABB PR121/P-LSIG R2000 electronic overcurrent release, providing long-time, short-time, instantaneous and ground-fault protection.
What does LSIG protection mean?
LSIG refers to long-time overload protection, short-time short-circuit protection, instantaneous short-circuit protection and ground-fault protection, providing comprehensive protection for electrical distribution circuits.
Is the ABB 1SDA057375R1 fixed or withdrawable?
The 1SDA057375R1 is a fixed circuit breaker with rear horizontal terminals. It is also fitted with four auxiliary contacts and open/closed position indication for signalling and control.
Trusted by Electrical Professionals Worldwide
ABB SACE Emax air circuit breakers are designed for dependable switching, protection and control in demanding low-voltage power distribution systems, supporting industrial, commercial and infrastructure installations where reliable high-current circuit protection is essential.
