Why Choose the ABB 1SDA128916R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128916R1 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 E6.3X/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 1SDA128916R1 combines robust switching capability 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 operational 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 E6.3X high-performance frame delivers enhanced short-circuit interruption capability for industrial installations, infrastructure projects and critical electrical systems.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for industrial power distribution.
- 5000 A rated continuous current suitable for high-power electrical systems.
- Four-pole fixed configuration for complete circuit protection and switching.
- Ekip Aware LSIG electronic release with advanced protection functions.
- High short-circuit performance for demanding applications.
- Horizontal rear terminals for efficient switchgear integration.
Key Features
- ABB SACE Emax 3 E6.3X/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.
- E6.3X high-performance breaking version.
- Horizontal rear connection terminals.
- Designed for advanced low-voltage electrical 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 provides configurable protection settings to improve system reliability and operational continuity.
The Emax 3 platform combines intelligent monitoring, advanced protection technology and flexible integration options for modern electrical infrastructure. The 1SDA128916R1 is designed for engineers requiring a high-current breaker solution for industrial plants, large facilities and critical power distribution applications.
Typical Applications
- Industrial low-voltage distribution switchboards.
- High-current feeder protection systems.
- Transformer and generator distribution applications.
- Large commercial and infrastructure installations.
- Manufacturing plants and industrial facilities.
- Advanced electrical switchgear assemblies.
