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1SDA124887R1 ABB E4.3V 2000 Ekip Aware LI 3-Pole Fixed Air Circuit Breaker
ABB 1SDA124887R1 is a three-pole 2000 A SACE Emax 3 E4.3V fixed air circuit breaker with horizontal rear terminals and an Ekip Aware LI electronic trip unit for high-performance low-voltage power distribution protection.
£8,598.77
Why Choose the ABB 1SDA124887R1 E4.3V 2000 Ekip Aware LI Air Circuit Breaker?
The ABB 1SDA124887R1, designated E4.3V 2000 Ekip Aware LI 3p FHR, is a high-performance SACE Emax 3 air circuit breaker designed for protection, switching and isolation in demanding low-voltage power distribution systems. This E4.3V configuration combines a 2000 A rated current with an Ekip Aware electronic trip unit and LI protection functions.
Designed for industrial, commercial and infrastructure power-distribution applications, the E4.3V 2000 provides electronic protection against overload and instantaneous short-circuit conditions. The Ekip Aware trip unit supports intelligent protection within modern switchboards, while the V performance level provides very high short-circuit capability for demanding installations.
This configuration is a three-pole fixed air circuit breaker with horizontal rear terminals. Its E4.3 frame, 2000 A current rating and high-performance V breaking class make it particularly suitable for main distribution and feeder applications where robust fault interruption and dependable circuit protection are required.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker for low-voltage distribution.
- 2000 A rated current for demanding power-distribution applications.
- Ekip Aware electronic trip unit for intelligent circuit protection.
- LI protection functions provide long-time and instantaneous overcurrent protection.
- V performance level for very high short-circuit requirements.
- Three-pole configuration for three-phase electrical systems.
- Fixed execution for permanent switchboard installation.
- Horizontal rear terminals support practical integration into compatible switchgear assemblies.
Key Features
- ABB Emax 3 E4.3 platform.
- 2000 A rated current.
- V performance level.
- Three-pole breaker configuration.
- Ekip Aware electronic trip unit.
- LI protection functions: long-time and instantaneous.
- Fixed breaker execution.
- Horizontal rear terminals.
- 150 kA rated ultimate short-circuit breaking capacity at 415 V AC.
- 100 kA rated short-time withstand current for 1 s.
High-Performance Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB SACE Emax 3 provide switching, isolation and protection for high-current low-voltage distribution circuits. The E4.3V platform is designed for installations with demanding short-circuit requirements, providing high interruption capability alongside electronic protection for critical electrical infrastructure.
The Ekip Aware LI trip unit provides long-time protection against sustained overload conditions and instantaneous protection against severe short circuits. Combined with the fixed E4.3V breaker construction and horizontal rear terminals, these functions make the 1SDA124887R1 well suited to modern switchboards requiring dependable high-current protection and robust fault interruption.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- Commercial and infrastructure electrical installations.
- Main incomer and high-current feeder protection.
- Manufacturing and process-industry switchgear.
- Power distribution systems with high prospective short-circuit currents.
Technical Specifications
| Product group | Emax 3 |
|---|---|
| Series | SACE Emax 3 E4.3 |
| ABB order code | 1SDA124887R1 |
| Product type | Air circuit breaker |
| Breaker frame | E4.3 |
| Performance level | V |
| Rated current | 2000 A |
| Number of poles | 3 |
| Trip unit | Ekip Aware |
| Protection functions | LI |
| Long-time protection | L |
| Instantaneous protection | I |
| Rated ultimate short-circuit breaking capacity at 415 V AC | 150 kA |
| Rated short-time withstand current (1 s) | 100 kA |
| Execution | Fixed |
| Terminal configuration | Horizontal rear terminals |
| Application | Low-voltage power distribution and circuit protection |
| EAN | 8056221254397 |
Frequently Asked Questions
What is the ABB 1SDA124887R1 used for?
The ABB 1SDA124887R1 is an Emax 3 air circuit breaker used for switching, isolation and overcurrent protection in demanding low-voltage electrical distribution systems.
What is the rated current of the ABB E4.3V 2000?
This E4.3V configuration has a rated current of 2000 A.
Which trip unit is fitted to the ABB 1SDA124887R1?
The breaker is fitted with an Ekip Aware electronic trip unit with LI protection functions.
What protection functions does LI provide?
LI provides long-time overload protection and instantaneous short-circuit protection, helping protect distribution circuits against sustained overcurrents and severe electrical faults.
Is the ABB 1SDA124887R1 fixed or withdrawable?
The ABB 1SDA124887R1 is a three-pole fixed air circuit breaker with horizontal rear terminals for permanent installation in compatible low-voltage switchgear.
Trusted ABB Power Distribution Technology
ABB SACE Emax 3 air circuit breakers combine advanced electronic protection with robust switching technology and high fault-interruption performance to support reliable low-voltage power distribution in demanding electrical installations.
