Why Choose the ABB 1SDA124953R1 Emax 3 E6.3H 5000 Ekip Aware LSI?
The ABB 1SDA124953R1 is a high-capacity low-voltage air circuit breaker designed for reliable protection, switching and monitoring 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 LSI electronic protection release.
The E6.3H configuration is designed for high-performance power distribution applications where dependable circuit protection and sophisticated electronic monitoring are required. Its Ekip Aware release provides long-time, short-time and instantaneous (LSI) protection functions, helping protect electrical installations against different overcurrent conditions.
With a 5000 A rated current, three-pole configuration and fixed mounting arrangement, the ABB 1SDA124953R1 is suited to 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 LSI protection functions.
- Three-pole configuration for three-phase electrical distribution.
- Fixed circuit breaker construction for permanent switchboard installation.
- E6.3H high-performance frame within the ABB Emax 3 range.
- Rear connection arrangement with horizontal orientation for the FHR configuration.
- Suitable for industrial, commercial and infrastructure power distribution applications.
Key Features
- ABB SACE Emax 3 E6.3H series.
- 5000 A rated current.
- Ekip Aware LSI electronic release.
- Long-time, short-time and instantaneous protection.
- 3-pole electrical configuration.
- Fixed version.
- FHR rear connection configuration.
- High-performance air circuit breaker design for low-voltage power distribution.
- Electronic protection platform supporting advanced monitoring and protection functions.
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 E6.3H version provides a high-performance solution for installations where substantial current-carrying capacity and dependable circuit protection are required.
The integrated Ekip Aware LSI release combines electronic protection functions with advanced monitoring capabilities. Long-time protection helps address sustained overload conditions, short-time protection responds to higher fault currents with controlled timing, while instantaneous protection provides rapid operation for severe fault conditions.
The fixed FHR configuration is intended for permanent installation within compatible switchboards and distribution assemblies. Its horizontal rear connection arrangement can simplify conductor and busbar integration where the switchboard design requires this connection orientation.
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 advanced electronic protection.
