Why Choose the ABB 1SDA124962R1 Emax 3 E6.3X 5000 Ekip Aware LI?
The ABB 1SDA124962R1 is a high-capacity low-voltage air circuit breaker designed for reliable protection and switching in demanding electrical distribution systems. Part of the advanced ABB SACE Emax 3 E6.3 range, this three-pole fixed circuit breaker combines a 5000 A rated current with an Ekip Aware LI electronic protection release.
The E6.3X configuration is designed for high-performance power distribution applications where high short-circuit withstand capability and dependable electronic protection are required. The Ekip Aware release provides long-time and instantaneous (LI) protection functions, supporting protection against sustained overloads and severe short-circuit conditions.
With a 5000 A rated current, three-pole configuration and fixed construction, the ABB 1SDA124962R1 is suitable for high-current switchboards, main distribution systems and industrial electrical installations. The FHR configuration provides a fixed breaker with horizontal rear connection orientation.
Key Advantages
- High-capacity 5000 A air circuit breaker for demanding low-voltage distribution systems.
- Advanced Ekip Aware electronic protection release with LI protection functions.
- Three-pole configuration for three-phase electrical distribution.
- Fixed circuit breaker construction for permanent switchboard installation.
- E6.3X high-performance frame within the ABB Emax 3 range.
- 150 kA short-circuit breaking capacity at 440 V for high-performance protection applications.
- 120 kA short-time withstand current for 1 s in the E6.3X 5000 configuration.
- Rear connection arrangement with horizontal orientation for the FHR configuration.
Key Features
- ABB SACE Emax 3 E6.3X series.
- 5000 A rated current.
- Ekip Aware LI electronic release.
- Long-time and instantaneous protection.
- 150 kA Icu at 440 V.
- 120 kA Icw for 1 s.
- 3-pole electrical configuration.
- Fixed version.
- FHR rear connection configuration.
- High-performance air circuit breaker design for low-voltage power distribution.
Advanced Protection for High-Current Power Distribution
The ABB Emax 3 E6.3 platform is designed for high-current electrical distribution applications, with the E6.3 family covering ratings up to 6300 A. The E6.3X configuration provides a high-performance solution for installations where substantial current-carrying capacity and enhanced short-circuit performance are required.
The integrated Ekip Aware LI release combines electronic protection with advanced monitoring capabilities. Long-time protection helps address sustained overload conditions, while instantaneous protection provides rapid circuit interruption during severe fault conditions.
The E6.3X 5000 configuration provides a 150 kA ultimate short-circuit breaking capacity at 440 V and a 120 kA short-time withstand current for 1 s. This makes the breaker suitable for demanding distribution assemblies where high fault-current performance is required.
Typical Applications
- Main low-voltage switchboards and distribution boards.
- Industrial power distribution systems.
- Large commercial electrical installations.
- Infrastructure and utility distribution equipment.
- High-current feeder and incomer applications.
- Manufacturing plants and process industries.
- Electrical distribution systems requiring high short-circuit performance.
