Why Choose the ABB 1SDA124778R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124778R1 is a high-performance air circuit breaker (ACB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 3 E1.3 series, it combines a fixed three-pole configuration with an Ekip Aware LSI electronic trip unit for dependable protection of industrial and commercial power installations.
This circuit breaker provides electronic protection against overload and short-circuit conditions while supporting intelligent monitoring through the Ekip Aware platform. Its fixed installation format and front-terminal configuration allow straightforward integration into suitable low-voltage switchboards and power distribution assemblies.
With a 1600 A rated current, three-pole configuration and 690 V AC rated service voltage, the E1.3C 1600 is designed for high-current electrical distribution applications. The LSI protection configuration provides long-time, short-time and instantaneous protection functions for safeguarding connected equipment and distribution circuits.
Key Advantages
- High-capacity ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
- 1600 A rated current suitable for high-current electrical distribution applications.
- Three-pole fixed configuration for integration into electrical switchboards.
- Integrated Ekip Aware LSI electronic trip unit for advanced circuit protection.
- Long-time, short-time and instantaneous protection functions for comprehensive fault protection.
- Robust fixed-format design for industrial and commercial power distribution systems.
Key Features
- ABB SACE Emax 3 E1.3C series.
- 1600 A rated current.
- Ekip Aware LSI electronic release.
- Three-pole fixed configuration.
- Front-terminal connection arrangement.
- Long-time, short-time and instantaneous protection functions.
- Electronic protection and monitoring through the Ekip platform.
- Designed for integration into low-voltage switchboards and distribution systems.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers such as the ABB Emax 3 E1.3C provide controlled switching and protection for high-current low-voltage electrical distribution systems. The electronic trip unit monitors electrical conditions and can initiate circuit interruption when configured protection thresholds are exceeded.
The Ekip Aware platform provides electronic protection and monitoring capabilities for modern switchboards. In the LSI configuration, the breaker combines long-time protection for overload conditions with short-time and instantaneous protection for fault conditions, helping protect electrical equipment and distribution infrastructure.
Typical Applications
- Low-voltage electrical distribution switchboards.
- Industrial power distribution systems.
- Commercial electrical installations.
- Main distribution and incoming feeder applications.
- Electrical infrastructure and power distribution assemblies.
- Industrial control and power protection systems.
