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1SDA057771R1 ABB E3V-A 2000 PR122/P-LSIG 2000 A 3P Air Circuit Breaker
ABB 1SDA057771R1 is a SACE Emax E3V-A 2000 A three-pole air circuit breaker with a PR122/P-LSIG electronic overcurrent release for advanced high-current low-voltage power-distribution protection.
£13,210.16
Why Choose the ABB 1SDA057771R1 E3V-A 2000 Air Circuit Breaker?
The ABB 1SDA057771R1 is a high-performance SACE Emax E3V-A 2000 air circuit breaker designed for protection and switching in demanding low-voltage power-distribution systems. This three-pole circuit breaker has a rated current of 2000 A and incorporates the advanced PR122/P-LSIG electronic overcurrent release for comprehensive circuit protection.
As part of the ABB SACE Emax family, the E3V-A platform is engineered for high-current distribution applications where dependable interruption and sophisticated electronic protection are required. The PR122/P-LSIG release provides long-time, short-time, instantaneous and ground-fault protection functions, helping protect electrical infrastructure against overload and fault conditions.
With its 2000 A current rating and three-pole configuration, the 1SDA057771R1 is suited to main distribution, feeder and industrial power applications. Its LSIG protection functionality supports selective coordination strategies within complex low-voltage networks, helping maintain reliable operation while protecting cables, busbars, transformers and connected equipment.
Key Advantages
- High-performance ABB SACE Emax E3V-A air circuit breaker for demanding power distribution.
- 2000 A rated current for high-current electrical systems.
- Three-pole configuration for three-phase distribution networks.
- Advanced PR122/P-LSIG electronic overcurrent release.
- LSIG protection covers overload, short-time short-circuit, instantaneous short-circuit and ground-fault conditions.
- Electronic protection supports selective coordination within complex distribution systems.
- Robust E3V-A platform for critical low-voltage switchboard applications.
- Suitable for main incoming, feeder and high-current distribution protection.
Key Features
- ABB SACE Emax E3V-A 2000 air circuit breaker.
- 2000 A rated current.
- Three poles.
- PR122/P-LSIG electronic trip unit.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Ground-fault (G) protection.
- Designed for selective low-voltage power-distribution protection.
- Suitable for high-current industrial and infrastructure switchboards.
Reliable Circuit Protection for High-Performance Power Distribution
Air circuit breakers protect low-voltage power systems by interrupting current when overloads, short circuits or other abnormal electrical conditions occur. Accurate electronic protection helps safeguard cables, busbars, transformers and connected equipment while supporting selective coordination and continuity throughout the electrical distribution network.
The ABB PR122/P-LSIG release provides comprehensive LSIG protection for demanding electrical systems. Combined with the high-performance SACE Emax E3V-A platform, the 1SDA057771R1 provides a dependable solution for installations where robust high-current switching, advanced electronic protection and reliable operation are essential.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming circuit protection.
- High-current feeder protection.
- Power-distribution switchgear.
- Manufacturing and process-industry electrical systems.
- High-current three-phase distribution networks.
- Commercial and infrastructure power installations.
- Generator and transformer distribution systems.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB order code | 1SDA057771R1 |
| Product type | Air circuit breaker |
| Frame | E3V-A 2000 |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | PR122/P-LSIG |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA057771R1?
The ABB 1SDA057771R1 is a SACE Emax E3V-A 2000 three-pole air circuit breaker rated at 2000 A and equipped with a PR122/P-LSIG electronic overcurrent release.
What protection functions does the PR122/P-LSIG trip unit provide?
The PR122/P-LSIG provides long-time, short-time, instantaneous and ground-fault protection, commonly abbreviated as LSIG.
What is the rated current of the ABB 1SDA057771R1?
The circuit breaker has a rated current of 2000 A and uses a three-pole configuration for high-current three-phase low-voltage power distribution.
What does LSIG protection mean on the ABB E3V-A 2000?
LSIG refers to long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection, providing comprehensive electronic protection for the distribution circuit.
Where is the ABB E3V-A 2000 typically used?
It is typically used in industrial switchboards, main distribution assemblies, high-current feeders and other low-voltage power systems requiring dependable 2000 A circuit protection and advanced LSIG functionality.
Trusted by Electrical Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for dependable protection and switching in demanding low-voltage power-distribution systems, combining high interruption performance with advanced electronic protection and flexible switchgear integration.
