Why Choose the ABB 1SDA124977R1?
The ABB 1SDA124977R1 is an SACE Emax 3 E6.3X 6300 Ekip Aware LI 3-pole fixed air circuit breaker designed for high-current low-voltage power distribution and demanding circuit protection applications.
With a 6300 A rated current and Ekip Aware electronic release, this air circuit breaker provides LI protection with long-time overload and instantaneous short-circuit functions for high-capacity electrical systems.
The fixed 3-pole configuration with rear horizontal terminals provides a robust solution for compatible switchboards and distribution assemblies where very high current-handling capability and reliable electronic protection are required.
Key Advantages
- 6300 A rated current for very high-capacity power distribution systems
- E6.3X frame for demanding high-current applications
- Ekip Aware electronic release for advanced circuit protection and monitoring
- LI protection combining long-time overload and instantaneous short-circuit protection
- 3-pole fixed construction for secure and consistent switchboard installation
- Rear horizontal terminals for practical connection within compatible assemblies
- 690 V AC rated voltage for low-voltage power distribution applications
Key Features
- ABB SACE Emax 3 E6.3X series air circuit breaker
- Order code: 1SDA124977R1
- Rated current: 6300 A
- 3-pole fixed version
- Ekip Aware electronic release
- LI protection functions
- Rear horizontal terminal configuration
- 4 auxiliary contacts
- Push-button operation
- Bolt connection
High-Capacity Power Distribution Protection
The ABB 1SDA124977R1 combines the high-capacity E6.3X Emax 3 platform with an Ekip Aware electronic release and LI protection. Its long-time and instantaneous protection functions are designed to provide dependable protection against overload and high-current short-circuit conditions.
With a 6300 A rated current, fixed 3-pole construction and rear horizontal terminal arrangement, this air circuit breaker is suited to high-capacity switchboards, industrial distribution systems and other low-voltage installations requiring robust circuit protection.
Typical Applications
- Low-voltage main distribution switchboards
- Industrial power distribution systems
- High-current feeder protection
- Commercial electrical distribution equipment
- Manufacturing and process plants
- Large building electrical infrastructure
- Data centre and critical power distribution systems
- High-capacity electrical infrastructure and energy distribution installations
