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1SDA057705R1 ABB E3V-A 1200 PR122/P-LSI 1200 A 3-Pole Air Circuit Breaker
ABB 1SDA057705R1 is a SACE Emax E3V-A 1200 A three-pole air circuit breaker with a PR122/P-LSI electronic trip unit providing long-time, short-time and instantaneous protection.
£9,160.69
Why Choose the ABB E3V-A 1200 PR122/P-LSI Air Circuit Breaker?
The ABB E3V-A 1200 PR122/P-LSI, order code 1SDA057705R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Combining the E3V-A breaker platform with a PR122/P-LSI electronic overcurrent release, it provides advanced protection for high-current industrial, commercial and infrastructure circuits.
With a rated current of 1200 A, this three-pole breaker is suitable for main distribution, feeder and switchboard applications requiring reliable electronic protection. Its LSI functionality provides long-time overload, short-time short-circuit and instantaneous short-circuit protection, helping safeguard conductors, switchgear and downstream electrical equipment.
The PR122/P electronic trip unit provides configurable protection functions for installations requiring accurate fault detection and selective coordination. As part of the proven ABB SACE Emax family, the E3V-A 1200 combines robust high-current switching with sophisticated electronic protection for critical low-voltage power distribution systems.
Key Advantages
- High-performance 1200 A SACE Emax air circuit breaker.
- PR122/P-LSI electronic trip unit for advanced circuit protection.
- LSI functionality provides long-time, short-time and instantaneous protection.
- Three-pole configuration for three-phase low-voltage distribution systems.
- Electronic protection supports selective and coordinated distribution-system design.
- Proven ABB SACE Emax platform for demanding power distribution applications.
Key Features
- ABB SACE Emax E3V-A circuit breaker platform.
- 1200 A rated current.
- Three-pole construction.
- PR122/P-LSI electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Designed for high-current low-voltage electrical distribution.
Advanced Protection for Low-Voltage Distribution
Air circuit breakers such as the ABB SACE Emax E3V-A provide switching, isolation and fault protection for high-current low-voltage distribution circuits. Electronic trip technology continuously monitors current conditions and initiates circuit interruption when configured protection thresholds are exceeded.
The PR122/P-LSI release combines long-time protection against sustained overloads, short-time protection for selective short-circuit coordination and instantaneous protection against severe short circuits. This combination makes the E3V-A 1200 suitable for electrical networks requiring dependable and coordinated protection.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming electrical distribution circuits.
- High-current distribution feeders.
- Manufacturing and process plants.
- Commercial and infrastructure power systems.
- Transformer and generator distribution systems.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB order code | 1SDA057705R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3V-A |
| Rated current | 1200 A |
| Number of poles | 3 |
| Trip unit | PR122/P-LSI |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057705R1?
The ABB 1SDA057705R1 is a SACE Emax E3V-A three-pole air circuit breaker rated at 1200 A and equipped with a PR122/P-LSI electronic overcurrent release.
What protection does the PR122/P-LSI release provide?
The PR122/P-LSI provides long-time, short-time and instantaneous protection, collectively identified as LSI protection.
What is the rated current of the ABB E3V-A 1200?
This circuit breaker has a rated current of 1200 A, making it suitable for high-current low-voltage power distribution applications.
How many poles does the ABB 1SDA057705R1 have?
The 1SDA057705R1 is a three-pole circuit breaker designed for three-phase electrical distribution systems.
Where is the ABB E3V-A 1200 typically used?
It is typically used in industrial and commercial low-voltage switchboards, main incoming circuits and distribution feeders requiring advanced electronic overload and short-circuit protection.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers provide dependable high-current switching and advanced electronic protection for demanding industrial, commercial and infrastructure low-voltage power distribution systems.
