Why Choose the ABB 1SDA124957R1?
The ABB 1SDA124957R1 is an SACE Emax 3 E6.3V 5000 Ekip Aware LI 3-pole fixed air circuit breaker designed for high-current low-voltage power distribution and demanding circuit protection applications.
With a 5000 A rated current and Ekip Aware electronic trip unit, this air circuit breaker provides dependable long-time overload and instantaneous short-circuit protection for electrical systems requiring high current-handling capability.
The fixed 3-pole configuration with rear horizontal terminals provides a practical solution for integration into compatible switchboards and distribution assemblies where high-capacity protection and reliable switching performance are required.
Key Advantages
- 5000 A rated current for high-capacity power distribution systems
- Ekip Aware electronic release for advanced circuit protection and monitoring
- LI protection combining long-time overload and instantaneous short-circuit protection
- E6.3V frame for demanding high-current low-voltage applications
- High short-circuit breaking capability for demanding fault-level installations
- 3-pole fixed construction for secure and consistent switchboard installation
- Rear horizontal terminals for practical connection within compatible assemblies
Key Features
- ABB SACE Emax 3 E6.3V series air circuit breaker
- Order code: 1SDA124957R1
- Rated current: 5000 A
- 3-pole fixed version
- Ekip Aware electronic trip unit
- LI protection functions
- Rear horizontal connection configuration
- High-capacity E6.3 frame for demanding power distribution applications
High-Current Power Distribution and Protection
The ABB 1SDA124957R1 combines the high-current capability of the Emax 3 E6.3V platform with an Ekip Aware electronic trip unit. Its LI protection functions provide dependable protection against prolonged overload conditions and high-current instantaneous short-circuit events.
With its fixed 3-pole construction, rear horizontal terminals and 5000 A continuous current rating, this air circuit breaker is designed for high-capacity switchboards, distribution panels and other low-voltage power systems requiring robust protection and reliable switching performance.
Typical Applications
- Low-voltage main distribution switchboards
- Industrial power distribution systems
- Commercial electrical distribution equipment
- High-current feeder protection
- Manufacturing and process plants
- Large building electrical infrastructure
- Data centre and critical power distribution systems
- High-capacity electrical infrastructure and energy distribution installations
