Why Choose the ABB 1SDA128990R1 SACE Emax 3 Air Circuit Breaker?
The ABB 1SDA128990R1 is a high-performance SACE Emax 3 air circuit breaker designed for advanced low-voltage power distribution, protection and switching applications. As part of the latest ABB SACE Emax 3 circuit breaker series, it combines intelligent electronic protection, reliable mechanical construction and advanced monitoring capabilities for demanding industrial and infrastructure systems.
Featuring an integrated Ekip Aware LSIG electronic trip unit, the 1SDA128990R1 provides comprehensive protection against overloads, short circuits and earth faults. Its four-pole configuration and E1.3N frame design make it suitable for applications requiring dependable protection and switching of high-current electrical networks.
With a rated current of 1600 A, the ABB 1SDA128990R1 delivers reliable circuit protection for modern switchboards and distribution assemblies. The fixed WMP configuration enables straightforward installation within low-voltage power systems where safety, availability and operational efficiency are essential.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker technology for reliable electrical protection.
- 1600 A rated current suitable for high-power low-voltage distribution systems.
- Integrated Ekip Aware LSIG electronic protection for accurate fault detection and monitoring.
- Four-pole fixed configuration for systems requiring neutral switching and protection.
- Designed for industrial, commercial and infrastructure power distribution applications.
- Supports modern energy management with intelligent protection functionality.
Key Features
- ABB SACE Emax 3 series air circuit breaker.
- E1.3N frame size.
- 1600 A rated current.
- Ekip Aware LSIG electronic release.
- 4-pole fixed WMP configuration.
- Long-time, short-time, instantaneous and ground fault protection functions.
- Advanced digital monitoring and protection capabilities.
- Suitable for integration into modern low-voltage switchgear assemblies.
Reliable Power Protection for Industrial Systems
Air circuit breakers such as the ABB SACE Emax 3 provide essential protection for electrical networks by detecting abnormal current conditions and disconnecting circuits when faults occur. The integrated electronic trip unit allows precise protection settings while helping improve system reliability and operational safety.
The SACE Emax 3 platform is engineered for modern electrical installations requiring intelligent protection, advanced connectivity and dependable performance. Its modular design and digital features allow efficient integration into industrial switchboards, energy distribution systems and critical power applications.
Typical Applications
- Industrial low-voltage switchboards.
- Power distribution panels and electrical assemblies.
- Manufacturing facilities and production plants.
- Commercial building electrical systems.
- Energy infrastructure and utility applications.
- Critical power protection installations.
