Why Choose the ABB SACE Emax 3 E4.3N 3200 Air Circuit Breaker?
The ABB 1SDA124898R1 is a high-performance SACE Emax 3 E4.3N 3200 air circuit breaker (ACB) designed for reliable protection, switching and control of high-capacity low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 circuit breaker series, it provides modern protection technology for industrial plants, infrastructure projects and critical power installations.
This circuit breaker combines high current handling capability with intelligent protection functions through the integrated Ekip Aware LSI trip unit. The fixed version with rear horizontal terminals provides a practical connection arrangement for switchboards while ensuring dependable operation in demanding electrical environments.
With a rated current of 3200 A and an ultimate short-circuit breaking capacity of 66 kA at 415 V AC, the ABB SACE Emax 3 E4.3N 3200 is suitable for protecting major distribution systems, industrial installations and high-power electrical networks requiring reliable fault interruption performance.
Key Advantages
- SACE Emax 3 air circuit breaker technology for advanced low-voltage power protection.
- 3200 A rated current for high-capacity electrical distribution applications.
- 66 kA Icu at 415 V AC for dependable short-circuit interruption performance.
- Integrated Ekip Aware LSI trip unit providing long-time, short-time and instantaneous protection functions.
- Fixed version design for secure switchboard installation.
- Rear horizontal terminals provide a suitable connection solution for power distribution assemblies.
Key Features
- ABB SACE Emax 3 series.
- E4.3N 3200 frame size.
- 3-pole air circuit breaker configuration.
- 3200 A rated current (In).
- 66 kA ultimate short-circuit breaking capacity (Icu) at 415 V AC.
- Ekip Aware LSI trip unit.
- Fixed installation version.
- Rear horizontal terminal connection arrangement.
- Designed for industrial and commercial low-voltage power distribution systems.
Reliable Power Protection for Industrial Systems
Air circuit breakers such as the ABB SACE Emax 3 E4.3N 3200 protect electrical installations by detecting overload and fault conditions before safely interrupting current flow. The advanced trip unit enables accurate protection coordination and improved electrical system reliability.
The SACE Emax 3 platform is engineered for modern power distribution networks, combining high breaking performance, intelligent protection functions and flexible installation configurations for demanding industrial applications.
Typical Applications
- Industrial power distribution switchboards.
- Large manufacturing plants and production facilities.
- Main low-voltage distribution panels.
- Transformer and generator protection systems.
- Commercial and infrastructure electrical networks.
- Energy management and automation installations.
