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1SDA057725R1 ABB E3V-A 1600 PR121/P-LSI 1600 A 3-Pole Air Circuit Breaker
ABB 1SDA057725R1 E3V-A 1600 PR121/P-LSI is a 1600 A three-pole SACE Emax air circuit breaker with a PR121/P-LSI electronic overcurrent release providing LSI protection for low-voltage AC power distribution systems.
£10,296.41
Why Choose the ABB E3V-A 1600 PR121/P-LSI Air Circuit Breaker?
The ABB E3V-A 1600 PR121/P-LSI, order code 1SDA057725R1, is a high-performance SACE Emax air circuit breaker designed for switching and protection in high-current low-voltage AC power distribution systems. This configuration has a rated current of 1600 A, a three-pole arrangement and a PR121/P-LSI electronic overcurrent release.
As part of the ABB SACE Emax E3V-A series, the 1SDA057725R1 combines robust switching performance with electronic protection against overload and short-circuit conditions. Its PR121/P-LSI release provides long-time, short-time and instantaneous protection functions, delivering LSI protection for demanding industrial, commercial and infrastructure electrical distribution applications.
With its 1600 A current rating and three-pole E3V-A construction, this circuit breaker is suited to substantial three-phase distribution systems where dependable high-current switching and coordinated electronic overcurrent protection are required.
Key Advantages
- High-performance 1600 A ABB SACE Emax air circuit breaker for demanding low-voltage distribution systems.
- PR121/P-LSI electronic overcurrent release provides coordinated LSI protection.
- Three-pole configuration for three-phase AC power distribution.
- Long-time protection helps safeguard circuits against sustained overload conditions.
- Short-time protection supports coordinated response to short-circuit faults.
- Instantaneous protection provides rapid operation during severe short-circuit conditions.
Key Features
- ABB SACE Emax E3V-A air circuit breaker.
- 1600 A rated current.
- Three-pole construction.
- PR121/P-LSI electronic overcurrent release.
- Long-time (L) overload protection.
- Short-time (S) short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Designed for high-current low-voltage AC power distribution.
Reliable Circuit Protection for Power Distribution
Air circuit breakers such as the ABB SACE Emax E3V-A provide switching and overcurrent protection for high-current low-voltage electrical distribution systems. The electronic trip release monitors circuit current and initiates breaker operation when configured protection thresholds are exceeded, helping protect cables, busbars, feeders and connected equipment against damaging overload and short-circuit conditions.
The PR121/P-LSI release provides long-time protection against sustained overloads, short-time protection for coordinated short-circuit response and instantaneous protection against severe fault currents. Combined with the E3V-A platform and 1600 A rating, the 1SDA057725R1 is suited to substantial industrial and commercial power distribution applications requiring comprehensive LSI overcurrent protection.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main switchboards and distribution boards.
- Manufacturing plant electrical distribution.
- Commercial and infrastructure power systems.
- Protection of high-current feeders and busbar systems.
- Three-phase distribution installations requiring electronic LSI protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA057725R1 |
| Product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E3V-A |
| Rated current | 1600 A |
| Number of poles | 3 |
| Trip unit | PR121/P-LSI |
| Release type | Electronic |
| Protection functions | Long-time, short-time and instantaneous (LSI) |
| Application | Low-voltage AC power distribution |
Frequently Asked Questions
What is the ABB 1SDA057725R1?
The ABB 1SDA057725R1 is an E3V-A SACE Emax three-pole air circuit breaker rated at 1600 A and equipped with a PR121/P-LSI electronic overcurrent release.
What is the rated current of the ABB 1SDA057725R1?
The ABB 1SDA057725R1 has a rated current of 1600 A for high-current low-voltage power distribution applications.
What protection functions does the PR121/P-LSI release provide?
The PR121/P-LSI electronic release provides long-time, short-time and instantaneous overcurrent protection functions, collectively identified as LSI protection.
What does LSI mean on the ABB PR121/P trip unit?
LSI denotes long-time, short-time and instantaneous protection, covering sustained overloads and different levels of short-circuit fault conditions.
How many poles does the ABB 1SDA057725R1 have?
The 1SDA057725R1 has three poles for use in three-phase low-voltage AC power distribution systems.
Where is the ABB E3V-A 1600 PR121/P-LSI typically used?
It is typically used in industrial and commercial switchboards, main distribution systems, high-current feeders and infrastructure installations requiring 1600 A circuit protection with electronic LSI functionality.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax air circuit breakers are engineered for demanding low-voltage power distribution applications, combining robust switching performance, electronic circuit protection and flexible integration into industrial and commercial switchgear.
