Why Choose the ABB 1SDA129042R1 SACE Emax 3 Air Circuit Breaker?
The ABB 1SDA129042R1 is a high-performance SACE Emax 3 air circuit breaker designed for advanced low-voltage power distribution, reliable circuit protection and safe switching in industrial, commercial and infrastructure electrical systems. As part of the latest ABB SACE Emax 3 series, it combines intelligent protection technology, flexible configuration and advanced monitoring capabilities for modern power networks.
This circuit breaker provides dependable protection against overloads, short circuits and earth faults while supporting intelligent energy management and system integration requirements. The Emax 3 platform is engineered for adaptability, operational continuity and improved visibility of electrical system performance through advanced electronic protection units.
The ABB 1SDA129042R1 features an E2.3S 250 A frame configuration with an Ekip Aware LSIG electronic protection release and a four-pole withdrawable mobile part configuration, making it suitable for compact low-voltage switchgear applications requiring advanced protection functionality.
Key Advantages
- ABB SACE Emax 3 air circuit breaker technology for modern low-voltage distribution.
- 250 A rated current capability suitable for a wide range of electrical installations.
- Ekip Aware LSIG protection provides comprehensive fault protection functions.
- Four-pole withdrawable design enables flexible installation and easier maintenance.
- Advanced monitoring and diagnostic capabilities improve system reliability.
- Designed for integration into intelligent switchgear and energy management systems.
Key Features
- ABB SACE Emax 3 series.
- E2.3S frame size.
- 250 A rated uninterrupted current.
- Ekip Aware LSIG electronic trip unit.
- Four-pole withdrawable mobile part (WMP) configuration.
- Long-time, short-time, instantaneous and earth fault protection functions.
- Advanced sensing, monitoring and communication capabilities.
- Designed for low-voltage switchgear assemblies and distribution systems.
Reliable Protection for Modern Power Distribution
Air circuit breakers such as the ABB SACE Emax 3 provide essential protection for electrical networks by detecting abnormal operating conditions and safely interrupting fault currents. Their advanced electronic releases enable accurate protection settings and improved operational awareness.
The Emax 3 series supports modern electrical infrastructure through intelligent protection, enhanced communication capabilities and advanced diagnostics. Its modular architecture allows engineers to create flexible and scalable solutions for evolving power distribution requirements.
Typical Applications
- Industrial electrical distribution systems.
- Low-voltage switchboards and control panels.
- Manufacturing facilities and production plants.
- Commercial buildings and infrastructure projects.
- Energy management and monitoring systems.
- Critical power distribution installations.
