Why Choose the ABB 1SDA124908R1?
The ABB 1SDA124908R1 is an SACE Emax 3 E4.3H 3200 Ekip Aware LSI 3-pole fixed air circuit breaker designed for high-current low-voltage power distribution and circuit protection applications.
With a 3200 A rated current and Ekip Aware electronic trip unit, this air circuit breaker provides long-time overload, short-time and instantaneous short-circuit protection for demanding electrical installations.
The fixed 3-pole configuration with rear horizontal terminals provides a practical solution for integration into compatible switchboards and distribution assemblies requiring high-capacity protection and dependable switching performance.
Key Advantages
- 3200 A rated current for high-capacity power distribution systems
- Ekip Aware electronic release for advanced protection and monitoring
- LSI protection combining long-time, short-time and instantaneous protection functions
- 3-pole fixed construction for secure and consistent switchboard installation
- Rear horizontal terminals for practical connection within compatible assemblies
- High interrupting performance for demanding low-voltage distribution systems
- Designed for industrial, commercial and infrastructure power distribution applications
Key Features
- ABB SACE Emax 3 E4.3H series air circuit breaker
- Order code: 1SDA124908R1
- Rated current: 3200 A
- 3-pole fixed version
- Ekip Aware electronic trip unit
- LSI protection functions
- Rear horizontal connection configuration
- Suitable for high-current low-voltage distribution systems
High-Current Power Distribution and Protection
The ABB 1SDA124908R1 combines the high-current capability of the Emax 3 E4.3H platform with an Ekip Aware electronic trip unit. Its LSI protection functions provide coordinated protection against overloads, short-circuit conditions and high-current fault events.
The fixed 3-pole construction and rear horizontal terminal arrangement make this air circuit breaker suitable for switchboards, distribution panels and other low-voltage power systems requiring protection at currents up to 3200 A.
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
