Why Choose the ABB 1SDA128848R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128848R1 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 innovative ABB Emax 3 circuit breaker series, it provides intelligent protection technology for industrial plants, critical infrastructure and high-capacity power distribution 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 three-pole configuration with rear horizontal connections delivers a reliable solution for demanding switchboard installations.
With a rated current of 4000 A, the ABB 1SDA128848R1 is designed for large electrical systems requiring dependable circuit interruption, intelligent diagnostics and enhanced operational monitoring. The Emax 3 platform combines digital protection, flexible communication and advanced power management capabilities.
Key Advantages
- Advanced ABB SACE Emax 3 air circuit breaker for modern electrical distribution.
- 4000 A rated current suitable for high-capacity power systems.
- Integrated Ekip Aware LSIG protection for complete fault protection.
- Fixed three-pole design for straightforward installation.
- Intelligent monitoring and diagnostic functions for improved system reliability.
- Designed for industrial, infrastructure and critical power applications.
Key Features
- ABB SACE Emax 3 air circuit breaker series.
- E6.3V frame size configuration.
- 4000 A rated current.
- Ekip Aware LSIG electronic release.
- Three-pole fixed version.
- Rear horizontal terminal connection arrangement.
- Advanced LSIG 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 during abnormal operating events. This protects valuable equipment, improves system availability and supports 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.
- Large electrical switchboards and main distribution panels.
- Transformer and generator protection.
- Data centre and critical infrastructure power systems.
- Energy management and monitoring installations.
- High-capacity electrical protection applications.
