Why Choose the ABB 1SDA128909R1 E6.3H 6300 Ekip Aware LSIG 4p F HR Air Circuit Breaker?
The ABB 1SDA128909R1 is a high-performance low voltage air circuit breaker (ACB) designed for advanced power distribution, protection and switching applications in large-scale electrical installations. As part of the advanced ABB SACE Emax 3 E6.3 series, it provides intelligent protection technology, exceptional current capacity and reliable operation for industrial plants, infrastructure and critical power systems.
This circuit breaker is equipped with an advanced Ekip Aware LSIG electronic trip unit, providing comprehensive protection functions including long-time, short-time, instantaneous and ground fault protection. The Emax 3 platform supports intelligent energy management through advanced monitoring, diagnostics and communication capabilities.
With a 6300 A rated current, 4-pole fixed configuration, E6.3H frame design and rear horizontal terminals, the ABB 1SDA128909R1 is suitable for high-capacity switchboards, industrial power distribution systems and critical electrical infrastructure requiring dependable protection and switching performance.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology for reliable high-capacity protection.
- 6300 A rated current suitable for demanding low voltage distribution systems.
- Four-pole fixed design for complete circuit switching and protection.
- Integrated Ekip Aware LSIG protection unit for comprehensive fault management.
- E6.3H high-performance frame designed for large-scale electrical systems.
- Rear horizontal terminals provide flexible switchgear integration.
Key Features
- ABB SACE Emax 3 E6.3 series air circuit breaker.
- Ekip Aware LSIG electronic trip unit.
- 6300 A rated uninterrupted current.
- 4-pole configuration.
- Fixed installation version.
- Rear horizontal (HR) terminal connection.
- Long-time, short-time, instantaneous and ground fault protection functions.
- Advanced diagnostics, monitoring and communication capabilities.
Reliable Power Protection for Industrial Distribution
Air circuit breakers such as the ABB Emax 3 series provide essential protection against overloads and short circuits while enabling safe switching and efficient management of modern electrical distribution networks. Their intelligent electronic trip units allow accurate protection settings, diagnostics and improved operational visibility.
The Emax 3 platform is designed for future-ready electrical infrastructure, combining intelligent protection, advanced sensing, predictive maintenance support and secure connectivity to help maximise reliability and operational continuity in demanding environments.
Typical Applications
- Main low voltage distribution switchboards.
- Industrial power distribution systems.
- Large manufacturing facilities.
- Data centres and critical infrastructure.
- Energy management and monitoring systems.
- High-capacity electrical protection installations.
