Why Choose the ABB 1SDA128914R1 E6.3H/f 5000 Ekip Aware LSIG 4p F HR Air Circuit Breaker?
The ABB 1SDA128914R1 is a high-performance low voltage air circuit breaker (ACB) designed for reliable protection, switching and intelligent management of advanced electrical distribution systems. As part of the modern ABB SACE Emax 3 E6.3 series, it delivers high current capability, advanced electronic protection and dependable operation for industrial, infrastructure and critical power applications.
This air 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 combines intelligent monitoring, diagnostics, power management and scalable connectivity features to support modern low voltage electrical installations.
With a 5000 A rated current, 4-pole fixed configuration, E6.3H/f frame design and rear horizontal terminals, the ABB 1SDA128914R1 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/f high-performance frame designed 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 monitoring, diagnostics 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 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 advanced sensing, adaptive protection, asset management features and secure connectivity to support reliable operation in demanding environments.
Typical Applications
- Main low voltage distribution switchboards.
- Industrial power distribution systems.
- Large manufacturing facilities.
- Commercial building electrical infrastructure.
- Energy management and monitoring systems.
- Critical power protection installations.