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ABB SACE Emax 3 E4.3S 4000 ACB 3 Pole 4000A 85kA Ekip Aware LSI Fixed Rear Terminals
ABB 1SDA124923R1 SACE Emax 3 E4.3S 4000 air circuit breaker with 4000 A rated current, 85 kA breaking capacity and Ekip Aware LSI trip unit for high-capacity low-voltage protection systems.
£16,112.11
Why Choose the ABB 1SDA124923R1 SACE Emax 3 E4.3S 4000 Air Circuit Breaker?
The ABB 1SDA124923R1 is a high-performance air circuit breaker (ACB) from the advanced ABB SACE Emax 3 series, designed to provide reliable protection, switching and control for high-power low-voltage electrical distribution systems. Configured as an E4.3S 4000 circuit breaker, it is engineered for demanding industrial, infrastructure and energy applications requiring robust protection and dependable operational performance.
This circuit breaker combines a heavy-duty mechanical design with advanced electronic protection technology through the integrated Ekip Aware LSI trip unit. The SACE Emax 3 platform provides intelligent protection, monitoring capabilities and flexible installation solutions for modern electrical installations.
With a rated current of 4000 A, a three-pole configuration and a rated ultimate short-circuit breaking capacity of 85 kA at 415 V AC, the ABB 1SDA124923R1 is suitable for protecting high-capacity low-voltage distribution networks, industrial switchboards and critical power systems. The fixed version with rear horizontal terminals enables integration into compatible switchgear assemblies.
Key Advantages
- ABB SACE Emax 3 air circuit breaker designed for high-power low-voltage protection applications.
- 4000 A rated current for demanding electrical distribution systems.
- 85 kA breaking capacity at 415 V AC for reliable short-circuit protection.
- Integrated Ekip Aware LSI trip unit for comprehensive electrical protection.
- Fixed mounting configuration for permanent switchgear installation.
- Rear horizontal terminals for flexible connection arrangements.
Key Features
- ABB SACE Emax 3 series air circuit breaker.
- E4.3S 4000 frame configuration.
- 3-pole circuit breaker design.
- 4000 A rated uninterrupted current (In).
- 85 kA Icu breaking capacity at 415 V AC.
- Ekip Aware LSI trip unit providing long-time, short-time and instantaneous protection functions.
- Fixed version for permanent installation.
- Rear horizontal terminals for electrical connection.
Reliable Protection for Modern Electrical Distribution Systems
Air circuit breakers such as the ABB SACE Emax 3 protect electrical installations by safely interrupting fault currents and providing dependable switching performance. Advanced electronic trip units continuously monitor electrical conditions and help ensure reliable protection of connected equipment and power networks.
The SACE Emax 3 platform is designed for modern energy distribution applications where safety, efficiency and intelligent system integration are essential. Its advanced trip technology and robust construction support the requirements of large industrial facilities, infrastructure projects and high-capacity electrical installations.
Typical Applications
- High-capacity industrial power distribution systems.
- Main switchboards and electrical power centres.
- Large manufacturing and processing facilities.
- Infrastructure and energy distribution projects.
- Critical power protection installations.
- Large commercial and industrial electrical networks.
Technical Specifications
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| Mounting Type | Fixed | |
|---|---|---|
| Trip Unit | LSI | |
| Device Type | ACB | |
| Current | 4000 A | |
| Poles | 3-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Application | Power distribution | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | E4.3S 4000 | |
| Product type | Air circuit breaker (ACB) | |
| Rated current (In) | 4000 A | |
| Part number | 1SDA124923R1 | |
| Number of poles | 3-pole | |
| Rated ultimate short-circuit breaking capacity (Icu) | 85 kA at 415 V AC | |
| Trip unit | Ekip Aware LSI | |
| Mounting type | Fixed | |
| Terminal configuration | Rear horizontal terminals | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA124923R1 used for?
The ABB 1SDA124923R1 is an air circuit breaker used for protection, switching and control of high-capacity low-voltage electrical distribution systems.
What series does the ABB 1SDA124923R1 belong to?
The ABB 1SDA124923R1 belongs to the SACE Emax 3 series of low-voltage air circuit breakers.
What is the rated current of this circuit breaker?
The circuit breaker has a rated current of 4000 A.
What is the breaking capacity of the ABB 1SDA124923R1?
The circuit breaker provides an Icu breaking capacity of 85 kA at 415 V AC.
What trip unit is fitted to this circuit breaker?
The ABB 1SDA124923R1 is fitted with an Ekip Aware LSI trip unit.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax 3 air circuit breakers are used in modern electrical distribution systems to deliver dependable protection, intelligent monitoring and reliable switching performance for demanding industrial and infrastructure applications.
