Why Choose the ABB SACE Emax 3 E1.3B 1600 Air Circuit Breaker?
The ABB 1SDA124773R1 is a high-performance SACE Emax 3 E1.3B 1600 air circuit breaker (ACB) designed for reliable protection, switching and control of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 circuit breaker series, it delivers modern protection technology for industrial plants, infrastructure projects and critical power applications.
This circuit breaker combines robust electrical performance with intelligent protection functionality through the integrated Ekip Aware LSI trip unit. The fixed version with front terminals provides a practical installation solution for switchboards while ensuring dependable operation in demanding electrical environments.
With a rated current of 1600 A and an ultimate short-circuit breaking capacity of 42 kA at 415 V AC, the ABB SACE Emax 3 E1.3B 1600 is suitable for protecting main distribution systems, transformers, generators and industrial power networks where reliable fault interruption is required.
Key Advantages
- SACE Emax 3 air circuit breaker technology for advanced low-voltage power protection.
- 1600 A rated current suitable for high-capacity electrical distribution applications.
- 42 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.
- Front terminals enable straightforward electrical connection.
Key Features
- ABB SACE Emax 3 series.
- E1.3B 1600 frame size.
- 3-pole air circuit breaker configuration.
- 1600 A rated current (In).
- 42 kA ultimate short-circuit breaking capacity (Icu) at 415 V AC.
- Ekip Aware LSI trip unit.
- Fixed installation version.
- Front 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 E1.3B 1600 protect electrical installations by detecting overload and fault conditions before safely interrupting current flow. The advanced trip unit provides accurate protection coordination and enhanced system reliability.
The SACE Emax 3 platform is designed for modern electrical distribution networks, combining high breaking performance, intelligent monitoring capabilities and flexible installation options for demanding industrial applications.
Typical Applications
- Industrial power distribution switchboards.
- Manufacturing plants and production facilities.
- Main low-voltage distribution panels.
- Transformer and generator protection systems.
- Commercial infrastructure electrical networks.
- Energy management and automation installations.
