Why Choose the ABB 1SDA128907R1 E6.3H 5000 Ekip Aware LSIG 4p F HR Air Circuit Breaker?
The ABB 1SDA128907R1 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 functions and advanced monitoring technology for demanding industrial 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 ABB Emax 3 platform is designed to support modern energy management with enhanced diagnostics, connectivity and power quality monitoring capabilities.
With a 5000 A rated current, 4-pole fixed configuration, E6.3H frame design and rear horizontal terminals, the ABB 1SDA128907R1 is suitable for high-capacity switchboards, industrial power distribution systems and critical electrical infrastructure requiring dependable circuit protection.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology for reliable power protection.
- 5000 A rated current suitable for high-capacity 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 for demanding 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.
- 5000 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 sensing, diagnostics and communication capability for intelligent power systems.
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 support accurate protection settings, diagnostics and improved operational visibility.
The Emax 3 platform is engineered for future-ready electrical infrastructure, combining intelligent protection, predictive maintenance capabilities, secure connectivity and advanced power management functions to 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.
