Why Choose the ABB 1SDA128867R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128867R1 is a high-performance SACE Emax 3 air circuit breaker designed for advanced protection, control and monitoring of low-voltage electrical distribution systems. As part of the latest ABB Emax 3 circuit breaker series, it provides intelligent protection technology for industrial plants, infrastructure projects and critical power applications.
This breaker features an advanced Ekip Aware LSIG electronic trip unit, providing comprehensive protection functions including long-time, short-time, instantaneous and earth fault protection. Its fixed four-pole construction with front connection configuration provides a reliable solution for demanding switchboard installations.
With a rated current of 1250 A, the ABB 1SDA128867R1 is engineered for electrical systems requiring dependable circuit interruption, intelligent diagnostics and enhanced operational monitoring. The Emax 3 platform combines advanced protection technology, scalable connectivity and modern power management features.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker for modern power distribution.
- 1250 A rated current suitable for industrial and commercial electrical systems.
- Integrated Ekip Aware LSIG protection for comprehensive fault protection.
- Fixed four-pole design for flexible switchboard installation.
- Intelligent monitoring and diagnostic capabilities for improved system reliability.
- Designed for industrial, infrastructure and critical power applications.
Key Features
- ABB SACE Emax 3 air circuit breaker series.
- E1.3C frame size configuration.
- 1250 A rated current.
- Ekip Aware LSIG electronic release.
- Four-pole fixed version.
- Front terminal connection arrangement.
- Advanced overload, short-circuit and earth fault protection functions.
- Compatible with modern digital power management systems.
Advanced Protection for Industrial Power Systems
Air circuit breakers such as the ABB Emax 3 range continuously monitor electrical conditions and interrupt fault currents when abnormal operating events occur. This helps protect valuable equipment, improve system availability and support safe operation of modern electrical networks.
The Emax 3 series combines ABB’s established circuit breaker technology with intelligent Ekip Aware protection units, enabling enhanced diagnostics, communication capabilities and integration into future-ready energy management systems.
Typical Applications
- Industrial power distribution systems.
- Electrical switchboards and main distribution panels.
- Transformer and generator protection.
- Commercial infrastructure power systems.
- Energy management and monitoring installations.
- Low-voltage electrical protection applications.
