1SDA071397R1 ABB Emax 2 E1.2N 800A Ekip G Touch LSIG 4P Air Circuit Breaker

Why Choose the ABB 1SDA071397R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA071397R1 is a high-performance SACE Emax 2 E1.2N air circuit breaker (ACB) designed for advanced protection and control of low-voltage generator and electrical distribution systems. Rated at 800 A, this fixed four-pole circuit breaker combines ABB’s compact E1.2 frame with the specialised Ekip G Touch LSIG electronic trip unit for comprehensive generator and distribution protection.

As part of the advanced ABB SACE Emax 2 series, the E1.2N provides dependable circuit protection while supporting modern power-management requirements. The Ekip G Touch LSIG release provides long-time, short-time, instantaneous and ground-fault protection together with generator-specific protection functions and integrated Ekip Measuring Pro functionality, making it particularly suitable for generator installations and critical low-voltage networks.

With a rated uninterrupted current of 800 A, a rated operational voltage of 690 V AC and a rated ultimate short-circuit breaking capacity of 66 kA at 380–440 V AC, the 1SDA071397R1 delivers substantial fault-clearing performance in a compact format. This version features a fixed four-pole configuration with front terminals, providing straightforward integration into generator switchboards, industrial power systems and low-voltage distribution assemblies.

Key Advantages

• Compact 800 A air circuit breaker for generator and low-voltage distribution applications.
• 66 kA ultimate short-circuit breaking capacity at 380–440 V AC.
• Advanced Ekip G Touch LSIG electronic trip unit with generator-specific protection functions.
• LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
• Integrated Ekip Measuring Pro functionality supports advanced electrical measurement and monitoring.
• Four-pole fixed configuration with front terminals supports efficient switchboard integration.

Key Features

• ABB SACE Emax 2 E1.2N air circuit breaker.
• 800 A rated uninterrupted current.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 66 kA Icu at 380–440 V AC.
• 50 kA Icu at 500–690 V AC.
• Ekip G Touch LSIG electronic release.
• Adjustable overload, selective short-circuit, instantaneous and ground-fault protection.
• Integrated generator-specific protection functionality.
• Integrated Ekip Measuring Pro measurement module.
• Touch-sensitive display for protection configuration and monitoring.
• Fixed four-pole construction.
• Front terminals for main circuit connections.
• Designed in accordance with IEC 60947-2.

Advanced Generator and Power Distribution Protection

Air circuit breakers such as the ABB SACE Emax 2 E1.2N protect important low-voltage circuits against damaging overload, short-circuit and earth-fault conditions. The 1SDA071397R1 combines an 800 A continuous-current rating with high short-circuit interruption capability, making it suitable for generator protection, main incomers and critical distribution circuits within industrial and commercial switchboards.

The Ekip G Touch LSIG trip unit extends conventional LSIG circuit protection with functions specifically developed for generator applications. Its electronic architecture, integrated Ekip Measuring Pro module and touchscreen interface support precise protection configuration and electrical monitoring, helping engineers coordinate generator and distribution protection across modern low-voltage networks.

Typical Applications

• Generator protection and generator switchboards.
• Emergency and standby power systems.
• Main incoming protection for low-voltage switchboards.
• Industrial electrical distribution systems.
• Manufacturing and process facilities.
• Data centres and critical-power installations.
• Commercial and infrastructure power distribution.
• IEC low-voltage switchgear and controlgear assemblies.