Why Choose the ABB 1SDA128915R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128915R1 is a high-performance SACE Emax 3 low-voltage air circuit breaker designed for reliable protection, switching and monitoring in demanding industrial and power distribution systems. It is an E6.3V/f 5000 Ekip Aware LSIG 4-pole fixed circuit breaker with horizontal rear terminals, providing advanced electronic protection for high-current electrical installations.
As part of the advanced ABB Emax 3 air circuit breaker series, the 1SDA128915R1 combines robust switching performance with intelligent Ekip Aware electronic protection. The LSIG protection configuration provides long-time, short-time, instantaneous and earth-fault protection functions for comprehensive circuit protection and improved system reliability.
With a rated continuous current of 5000 A and a four-pole fixed construction, this breaker is designed for high-capacity low-voltage distribution applications. The E6.3V high-performance frame provides enhanced fault interruption capability for critical industrial installations and advanced electrical infrastructure.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for demanding power distribution applications.
- 5000 A rated continuous current for large-scale electrical systems.
- Four-pole fixed configuration for complete circuit switching and protection.
- Ekip Aware LSIG electronic release with advanced protection functions.
- High breaking performance for industrial and infrastructure applications.
- Horizontal rear terminal arrangement for switchgear integration.
Key Features
- ABB SACE Emax 3 E6.3V/f series.
- 5000 A rated continuous current.
- Ekip Aware LSIG protection unit.
- Four-pole fixed breaker design.
- Long-time, short-time, instantaneous and earth-fault protection.
- High-performance Emax 3 V breaking version.
- Rear horizontal connection terminals.
- Designed for intelligent low-voltage power distribution systems.
Advanced Protection for High-Current Electrical Systems
Air circuit breakers such as the ABB Emax 3 protect electrical distribution networks by detecting overload and fault conditions before safely interrupting current flow. The Ekip Aware LSIG electronic release enables configurable protection settings to support reliable operation in complex power systems.
The Emax 3 platform delivers intelligent protection, monitoring capabilities and flexible integration options for modern electrical installations. The 1SDA128915R1 is designed for engineers requiring a high-current breaker solution for industrial plants, infrastructure projects and critical power distribution systems.
Typical Applications
- Industrial low-voltage distribution switchboards.
- High-current electrical feeder protection.
- Transformer and generator distribution systems.
- Large commercial and infrastructure power installations.
- Manufacturing plants and industrial facilities.
- Advanced switchgear assemblies and electrical panels.
