Why Choose the ABB 1SDA128849R1 E6.3X 4000 Ekip Aware LSIG Air Circuit Breaker?
The ABB 1SDA128849R1 is a high-performance low-voltage air circuit breaker (ACB) from the ABB SACE Emax 3 range, designed for reliable protection, switching and monitoring in demanding electrical distribution systems. This model is the E6.3X 4000 Ekip Aware LSIG configuration, providing a three-pole fixed construction with an advanced Ekip electronic release and rear horizontal connection.
The integrated Ekip Aware LSIG protection system provides comprehensive circuit protection through long-time, short-time, instantaneous and ground-fault protection functions. The ABB Emax 3 platform combines intelligent protection technology, advanced diagnostics and flexible connectivity to support modern low-voltage power distribution requirements.
With a 4000 A rated current, the 1SDA128849R1 is designed for industrial facilities, infrastructure systems and large electrical switchboards where dependable protection, operational continuity and efficient power management are required.
Key Advantages
- 4000 A rated current for high-current low-voltage distribution applications.
- Advanced Ekip Aware LSIG electronic release for comprehensive fault protection.
- Three-pole fixed configuration for straightforward switchboard integration.
- High-performance ABB SACE Emax 3 E6.3X platform for demanding power systems.
- LSIG protection functions provide adjustable long-time, short-time, instantaneous and ground-fault protection.
- Rear horizontal connection design supports flexible electrical installation layouts.
Key Features
- ABB SACE Emax 3 E6.3X air circuit breaker.
- 4000 A rated current.
- Three-pole fixed version.
- Ekip Aware LSIG electronic release.
- Long-time, short-time, instantaneous and ground-fault protection.
- Rear horizontal (HR) terminals.
- Advanced monitoring and diagnostic capabilities.
- Designed for industrial and infrastructure power distribution systems.
Advanced Protection for High-Power Electrical Distribution
Air circuit breakers such as the ABB Emax 3 E6.3X provide intelligent switching and protection for high-current electrical networks. The Ekip Aware LSIG electronic release manages protection functions to help safeguard electrical infrastructure, equipment and connected loads against fault conditions.
The 1SDA128849R1 combines a high-current fixed breaker design with ABB’s advanced Emax 3 technology. Its electronic protection system, robust construction and flexible rear connection arrangement make it suitable for demanding applications where reliability and system control are essential. The SACE Emax 3 platform is designed to support intelligent power management, connectivity and advanced diagnostics.
Typical Applications
- Large industrial power distribution systems.
- Low-voltage main switchboards.
- Infrastructure and commercial electrical installations.
- High-current incoming and feeder protection.
- Industrial switchgear assemblies.
- Critical electrical distribution networks.
