Why Choose the ABB 1SDA128894R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128894R1 is an advanced air circuit breaker (ACB) designed for reliable protection, switching and intelligent power management in modern low-voltage electrical distribution systems. As part of the innovative ABB SACE Emax 3 series, it combines high-performance circuit interruption with intelligent monitoring, advanced diagnostics and flexible connectivity for industrial and infrastructure power applications.
The Emax 3 platform is engineered to support secure, resilient and future-ready electrical networks through advanced sensing, electronic protection, power quality monitoring and scalable communication capabilities. It provides a complete solution for installations requiring dependable protection, operational continuity and digital integration.
With an E4.3S frame size, 3200 A rated current, Ekip Aware LSIG electronic trip unit and four-pole fixed configuration, the ABB 1SDA128894R1 is suitable for high-capacity switchgear assemblies, main distribution boards and critical low-voltage power systems.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology for intelligent power distribution.
- 3200 A rated current for demanding industrial electrical installations.
- Ekip Aware LSIG protection providing comprehensive circuit protection and monitoring.
- Four-pole fixed design suitable for systems requiring neutral conductor switching.
- Advanced communication and diagnostics capabilities for modern energy management systems.
- Reliable protection performance for industrial, commercial and infrastructure applications.
Key Features
- ABB SACE Emax 3 series air circuit breaker.
- E4.3S 3200 frame configuration.
- Ekip Aware LSIG electronic trip unit.
- 3200 A rated uninterrupted current.
- Four-pole fixed execution.
- Long-time, short-time, instantaneous and ground fault protection functions.
- Designed for IEC low-voltage circuit breaker applications.
- Compatible with ABB digital monitoring and communication solutions.
Reliable Protection for Industrial Power Distribution
Air circuit breakers protect essential electrical networks by continuously monitoring operating conditions and safely interrupting circuits during overloads or fault events. The ABB Emax 3 range combines advanced protection with intelligent measurement, diagnostics and communication features to improve reliability and operational visibility.
Designed for modern electrical infrastructure, Emax 3 circuit breakers support industrial automation, energy management and smart distribution systems through scalable connectivity, predictive maintenance functions and advanced digital capabilities.
Typical Applications
- Industrial power distribution systems.
- Main low-voltage switchboards.
- Manufacturing plants and processing facilities.
- Commercial and infrastructure power networks.
- Energy management and monitoring installations.
- Critical power and industrial automation systems.
