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1SDA056433R1 ABB Emax E3H2000 PR121/P-LSI 2000 A 3-Pole Air Circuit Breaker
ABB 1SDA056433R1 SACE Emax E3H2000 three-pole fixed air circuit breaker with a 2000 A rated current, horizontal rear terminals and PR121/P-LSI electronic protection for demanding low-voltage power distribution systems.
£13,070.15
Why Choose the ABB 1SDA056433R1 Emax E3H2000 Air Circuit Breaker?
The ABB 1SDA056433R1 is a high-performance SACE Emax E3H2000 air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax series, this three-pole fixed circuit breaker combines a 2000 A rated current with the PR121/P-LSI electronic overcurrent release.
Designed for industrial power distribution, main switchboards and critical electrical installations, the E3H2000 provides dependable protection against overloads and short circuits. The PR121/P-LSI electronic trip unit provides long-time, short-time and instantaneous protection functions, supporting coordinated protection across high-current distribution networks.
With a three-pole configuration, fixed construction and horizontal rear terminals, the 1SDA056433R1 is designed for robust integration into compatible low-voltage switchboards. Its E3H performance class and electronic protection make it particularly suitable for demanding incoming, feeder and distribution applications where reliable high-current circuit protection is required.
Key Advantages
- Heavy-duty ABB SACE Emax air circuit breaker for low-voltage power distribution.
- 2000 A rated current for high-current industrial and infrastructure applications.
- Three-pole configuration for three-phase electrical distribution systems.
- PR121/P-LSI electronic overcurrent release for comprehensive circuit protection.
- Long-time, short-time and instantaneous protection functions.
- High-performance E3H breaking-capacity class.
- Fixed construction for permanent switchboard installation.
- Horizontal rear terminals for practical power connection within compatible switchgear.
Key Features
- ABB SACE Emax E3H2000 air circuit breaker.
- 2000 A rated current.
- Three-pole construction.
- PR121/P-LSI electronic protection release.
- LSI protection comprising long-time, short-time and instantaneous functions.
- Designed for high-current low-voltage distribution systems.
- Fixed circuit-breaker configuration.
- Horizontal rear terminal arrangement.
- Suitable for incoming, feeder and distribution protection duties.
- Part of the ABB SACE Emax E3 air circuit breaker platform.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E3H2000 provide switching, isolation and overcurrent protection for high-current low-voltage electrical networks. They are commonly used as incoming, feeder or distribution protection devices in industrial switchboards, infrastructure installations and other applications where dependable interruption and control of substantial electrical currents are essential.
The PR121/P-LSI electronic release provides long-time protection against sustained overloads, short-time protection that can support selective coordination during short-circuit conditions, and instantaneous protection against severe faults. Combined with the E3H breaker’s high-performance design, 2000 A rating, fixed construction and horizontal rear terminals, this makes the 1SDA056433R1 a strong choice for demanding low-voltage power-distribution systems.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Manufacturing and process plant electrical systems.
- Transformer and generator distribution protection.
- High-current incoming and feeder protection.
- Commercial and infrastructure electrical installations.
- Fixed switchgear and power distribution assemblies.
Technical Specifications
| Series | SACE Emax |
|---|---|
| Product group | 310513-New Emax |
| Order code | 1SDA056433R1 |
| Product type | Air circuit breaker |
| Frame | E3 |
| Performance level | H |
| Rated current (In) | 2000 A |
| Number of poles | 3 |
| Release | PR121/P-LSI |
| Release type | Electronic |
| Protection functions | LSI (long-time, short-time and instantaneous) |
| Installation type | Fixed |
| Terminal arrangement | Horizontal rear terminals |
Frequently Asked Questions
What is the ABB 1SDA056433R1 used for?
The ABB 1SDA056433R1 is a 2000 A SACE Emax air circuit breaker used for switching and protecting high-current low-voltage electrical distribution systems against overload and short-circuit conditions.
What is the rated current of the ABB 1SDA056433R1?
The ABB 1SDA056433R1 has a rated current of 2000 A.
Which trip unit is fitted to the ABB 1SDA056433R1?
The 1SDA056433R1 is fitted with an ABB PR121/P-LSI electronic overcurrent release.
What protection functions does the PR121/P-LSI release provide?
The PR121/P-LSI provides long-time, short-time and instantaneous protection, commonly abbreviated as LSI, for protection against overload and short-circuit conditions.
Is the ABB 1SDA056433R1 fixed or withdrawable?
The 1SDA056433R1 is a fixed SACE Emax air circuit breaker with horizontal rear terminals for integration into compatible low-voltage switchboards.
Trusted Protection from ABB
ABB SACE Emax air circuit breakers are engineered for reliable protection, switching and control in demanding low-voltage power distribution systems, combining robust breaker construction with electronic overcurrent protection.
