Why Choose the ABB 1SDA128918R1 E6.3H/f 6300 Ekip Aware LSIG 4p F HR Air Circuit Breaker?
The ABB 1SDA128918R1 is a high-performance low voltage air circuit breaker (ACB) designed for reliable protection, switching and intelligent management of large-scale electrical distribution systems. As part of the advanced ABB SACE Emax 3 E6.3 series, it combines high current capability, intelligent protection technology and robust construction for demanding industrial, infrastructure and critical power applications.
This air circuit breaker features 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 monitoring, diagnostics, power management and scalable connectivity to improve reliability and operational visibility in modern electrical systems.
With a 6300 A rated current, 4-pole fixed configuration, E6.3H/f frame design and rear horizontal terminals, the ABB 1SDA128918R1 is suitable for high-capacity switchboards, industrial power distribution systems and critical electrical infrastructure requiring dependable circuit 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/f high-performance frame designed for large-scale electrical installations.
- 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 electrical faults while enabling safe switching and efficient management of modern power distribution networks. Intelligent electronic trip units allow accurate protection settings, system diagnostics and improved operational visibility.
The Emax 3 platform is engineered for future-ready electrical infrastructure, combining adaptive protection, advanced sensing, predictive maintenance support and secure connectivity to help maximise system reliability and operational continuity.
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.
