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1SDA057757R1 ABB E3V-A 2000 PR121/P-LSI 2000 A 3-Pole Air Circuit Breaker
ABB 1SDA057757R1 is a SACE Emax E3V-A 2000 A three-pole air circuit breaker with a PR121/P-LSI electronic trip unit providing long-time, short-time and instantaneous protection.
£14,727.59
Why Choose the ABB E3V-A 2000 PR121/P-LSI Air Circuit Breaker?
The ABB E3V-A 2000 PR121/P-LSI, order code 1SDA057757R1, is a high-performance SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Built around the E3V-A platform, this three-pole breaker incorporates a PR121/P-LSI electronic trip unit to provide dependable protection for high-current circuits.
With a rated current of 2000 A, the E3V-A is suited to substantial industrial, commercial and infrastructure distribution networks. Its LSI protection functions provide long-time protection against overloads, short-time protection for short-circuit coordination and instantaneous protection against severe short-circuit faults.
The combination of a robust air circuit breaker platform and electronic overcurrent protection makes the 1SDA057757R1 suitable for critical distribution duties where reliable switching and fault interruption are required. As part of the ABB SACE Emax family, it can be applied to main incomers, high-current feeders and other important three-phase distribution circuits.
Key Advantages
- High-current 2000 A SACE Emax air circuit breaker.
- PR121/P-LSI electronic trip unit for dependable circuit protection.
- LSI functionality provides long-time, short-time and instantaneous protection.
- Three-pole configuration for three-phase low-voltage distribution.
- Short-time protection supports selective coordination within distribution systems.
- Electronic protection provides accurate response to overload and short-circuit conditions.
- ABB SACE Emax platform for demanding power distribution applications.
Key Features
- ABB SACE Emax E3V-A circuit breaker platform.
- 2000 A rated current.
- Three-pole construction.
- PR121/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 High-Current Distribution
Air circuit breakers such as the ABB SACE Emax E3V-A provide switching, isolation and fault protection within high-current low-voltage distribution systems. The electronic trip unit monitors circuit current and commands breaker operation when electrical conditions exceed configured protection thresholds.
The PR121/P-LSI release combines long-time protection against sustained overload conditions, short-time protection for controlled response to short circuits and instantaneous protection against high-level faults. These functions provide a versatile protection arrangement for high-current feeders and main distribution circuits.
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 | 1SDA057757R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3V-A |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LSI |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Application | Low-voltage power distribution |
Frequently Asked Questions
What is the ABB 1SDA057757R1?
The ABB 1SDA057757R1 is a SACE Emax E3V-A three-pole air circuit breaker rated at 2000 A and equipped with a PR121/P-LSI electronic trip unit.
What protection does the PR121/P-LSI trip unit provide?
The PR121/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 2000?
The ABB 1SDA057757R1 has a rated current of 2000 A, making it suitable for demanding high-current low-voltage distribution circuits.
How many poles does the ABB 1SDA057757R1 have?
The 1SDA057757R1 is a three-pole air circuit breaker intended for three-phase electrical distribution applications.
Where is the ABB E3V-A 2000 typically used?
It is typically used in industrial and commercial switchboards, main incoming circuits, high-current feeders and other low-voltage distribution systems requiring electronic overload and short-circuit protection.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers combine robust high-current switching with electronic protection for demanding industrial, commercial and infrastructure low-voltage power distribution systems.
