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ABB SACE Emax 3 E4.3S 4000 ACB 4 Pole 4000A 85kA Ekip Aware LSIG Withdrawable Moving Part
ABB 1SDA129018R1 SACE Emax 3 air circuit breaker with Ekip Aware LSIG protection, 4000 A rated current and four-pole fixed WMP configuration for low-voltage power distribution systems.
£24,273.87
Why Choose the ABB 1SDA129018R1 SACE Emax 3 Air Circuit Breaker?
The ABB 1SDA129018R1 is a high-performance SACE Emax 3 air circuit breaker designed for reliable low-voltage power distribution, switching and advanced electrical protection applications. As part of the advanced ABB SACE Emax 3 circuit breaker series, it combines intelligent protection technology, digital monitoring capabilities and robust construction for demanding industrial and infrastructure environments.
The 1SDA129018R1 features an integrated Ekip Aware LSIG electronic trip unit, providing comprehensive protection against overloads, short circuits and earth faults. Its four-pole fixed WMP configuration enables dependable installation in modern low-voltage switchgear assemblies where reliable protection and operational continuity are required.
With a rated current of 4000 A and an E4.3S frame configuration, the ABB 1SDA129018R1 provides high-capacity protection for industrial power distribution systems. It is engineered for applications where safety, reliability and intelligent energy management are essential.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology for reliable electrical protection.
- 4000 A rated current suitable for high-power low-voltage distribution systems.
- Integrated Ekip Aware LSIG electronic protection for accurate fault detection and monitoring.
- Four-pole fixed WMP configuration for flexible switchboard integration.
- Advanced digital monitoring and communication capabilities for modern electrical networks.
- Designed for industrial, commercial and critical infrastructure power applications.
Key Features
- ABB SACE Emax 3 series air circuit breaker.
- E4.3S frame size.
- 4000 A rated current.
- Ekip Aware LSIG electronic release.
- 4-pole fixed WMP configuration.
- Long-time, short-time, instantaneous and ground fault protection functions.
- Advanced sensing, monitoring and communication capabilities.
- Suitable for integration into modern low-voltage switchgear assemblies.
Reliable Power Protection for Industrial Systems
Air circuit breakers such as the ABB SACE Emax 3 series protect electrical installations by monitoring current conditions and disconnecting circuits during overloads or fault events. The integrated electronic trip unit enables precise protection settings while supporting improved operational reliability.
The SACE Emax 3 platform provides intelligent protection, advanced connectivity and scalable performance for modern electrical infrastructure. Its digital architecture supports efficient integration into industrial switchboards, energy distribution systems and critical power applications.
Typical Applications
- Industrial low-voltage switchboards.
- High-power electrical distribution panels.
- Manufacturing and processing facilities.
- Commercial building electrical systems.
- Energy infrastructure installations.
- Critical power protection applications.
Technical Specifications
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| Device Type | ACB | |
|---|---|---|
| Current | 4000 A | |
| Poles | 4-pole | |
| Phase | Three Phase | |
| Breaking Capacity | 85 kA | |
| Trip Unit | LSIG | |
| Application | Power distribution | |
| Mounting Type | Withdrawable | |
| Manufacturer | ABB | |
| Series | SACE Emax 3 | |
| Model | 1SDA129018R1 | |
| Product type | Air circuit breaker | |
| Frame size | E4.3S | |
| Rated current | 4000 A | |
| Number of poles | 4 poles | |
| Protection release | Ekip Aware LSIG | |
| Installation version | Fixed / WMP configuration | |
| Rated operational voltage | Up to 690 V AC | |
| Frequency | 50 / 60 Hz | |
| HS Code | 85362090 |
Frequently Asked Questions
What is the ABB 1SDA129018R1 used for?
The ABB 1SDA129018R1 is used for protecting and switching high-current low-voltage electrical distribution systems in industrial, commercial and infrastructure applications.
What is the rated current of this circuit breaker?
The ABB 1SDA129018R1 has a rated current of 4000 A.
What protection functions are included?
The circuit breaker includes an Ekip Aware LSIG electronic release providing long-time, short-time, instantaneous and earth fault protection functions.
How many poles does this ABB circuit breaker have?
The ABB 1SDA129018R1 is configured as a four-pole air circuit breaker.
Where is this circuit breaker typically installed?
The breaker is typically installed inside low-voltage switchboards and power distribution assemblies.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax 3 air circuit breakers are widely used by electrical engineers and system integrators to deliver reliable protection, intelligent monitoring and efficient operation across modern power distribution networks.
