ABB SACE Emax 3 E1.3N 1250 ACB 3 Pole 1250A 66kA Ekip Aware LI Fixed Front Terminals

Why Choose the ABB 1SDA124767R1 Emax 3 Air Circuit Breaker?

The ABB 1SDA124767R1 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 features an Ekip Aware LI electronic trip unit and a fixed three-pole configuration for dependable protection in industrial and commercial power installations.

This circuit breaker combines electronic overload and instantaneous short-circuit protection with a robust fixed installation design. Its Ekip Aware release provides configurable protection functions, while the front-terminal arrangement supports straightforward integration into suitable low-voltage switchboards and distribution assemblies.

With a 1250 A rated current, three-pole configuration and a 690 V AC rated service voltage, the E1.3N 1250 is designed for high-current electrical distribution applications. The LI protection configuration provides long-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.
• 1250 A rated current suitable for high-current distribution applications.
• Three-pole fixed configuration for integration into electrical switchboards.
• Integrated Ekip Aware LI electronic trip unit for precise circuit protection.
• Long-time and instantaneous protection functions for overload and short-circuit protection.
• Robust design for industrial and commercial low-voltage distribution systems.

Key Features

• ABB SACE Emax 3 E1.3 series.
• 1250 A rated current.
• Ekip Aware LI electronic release.
• Three-pole fixed configuration.
• Front-terminal connection arrangement.
• Long-time and instantaneous protection functions.
• Electronic monitoring and protection through the Ekip platform.
• Built-in status indication and robust switchboard mounting design.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB Emax 3 E1.3N 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 LI configuration, the breaker combines long-time protection for overload conditions with instantaneous protection for high-level short-circuit faults, 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.