Why Choose the ABB 1SDA128913R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA128913R1 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 4000 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 modern ABB Emax 3 air circuit breaker series, the 1SDA128913R1 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 to help safeguard critical electrical infrastructure.
With a rated continuous current of 4000 A and a four-pole fixed construction, this breaker is designed for high-capacity low-voltage distribution applications. The E6.3X high-performance frame provides enhanced short-circuit capability for installations requiring dependable fault interruption and advanced system protection.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for industrial power distribution.
- 4000 A rated current suitable for demanding electrical installations.
- Four-pole fixed configuration for comprehensive circuit switching and protection.
- Ekip Aware LSIG electronic release with advanced protection functions.
- High interrupting performance for critical low-voltage applications.
- Horizontal rear terminal arrangement for switchgear integration.
Key Features
- ABB SACE Emax 3 E6.3X/f series.
- 4000 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 X breaking version.
- Rear horizontal connection terminals.
- Designed for advanced low-voltage power distribution systems.
Advanced Protection for Industrial Power Systems
Air circuit breakers such as the ABB Emax 3 protect electrical systems by detecting overload and fault conditions before safely interrupting current flow. The Ekip Aware LSIG electronic release provides configurable protection functions for improved system reliability and operational safety.
The Emax 3 platform combines intelligent monitoring, flexible communication options and advanced protection technology for modern electrical distribution networks. The 1SDA128913R1 is designed for engineers requiring a high-current breaker solution for industrial plants, infrastructure and large-scale power systems.
Typical Applications
- Industrial low-voltage distribution switchboards.
- High-current electrical feeder protection.
- Power generation and transformer distribution systems.
- Large commercial and infrastructure installations.
- Manufacturing plants and industrial facilities.
- Modern switchgear assemblies and electrical panels.
