1SDA071396R1 ABB Emax 2 E1.2N 800A Ekip Touch LSIG 4P Air Circuit Breaker

Why Choose the ABB 1SDA071396R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA071396R1 is a high-performance SACE Emax 2 E1.2N air circuit breaker (ACB) designed for advanced protection and control of low-voltage electrical distribution systems. Rated at 800 A, this fixed four-pole circuit breaker combines ABB’s compact E1.2 frame with the advanced Ekip Touch LSIG electronic trip unit for comprehensive and configurable circuit protection.

As part of the ABB SACE Emax 2 series, the E1.2N is engineered for demanding industrial, commercial and infrastructure power distribution applications. The Ekip Touch LSIG solid-state release provides long-time, short-time, instantaneous and ground-fault protection functions, while its touchscreen interface enables intuitive configuration and monitoring of the protection system.

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 1SDA071396R1 provides substantial fault-clearing performance in a compact format. This version features a fixed four-pole configuration with front terminals, making it straightforward to integrate into low-voltage switchboards and power distribution assemblies.

Key Advantages

• Compact 800 A air circuit breaker for demanding low-voltage distribution applications.
• 66 kA ultimate short-circuit breaking capacity at 380–440 V AC.
• Advanced Ekip Touch LSIG electronic trip unit for configurable circuit protection.
• LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
• Touchscreen interface simplifies protection configuration and monitoring.
• Fixed four-pole 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 Touch LSIG solid-state electronic release.
• Adjustable overload, selective short-circuit, instantaneous and ground-fault protection.
• Touch-sensitive display for trip-unit configuration.
• Fixed four-pole construction.
• Front terminals for main circuit connections.
• Supplied with four auxiliary change-over contacts and open/closed circuit-breaker position indication.
• Designed in accordance with IEC 60947-2.

Advanced Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 E1.2N protect important low-voltage distribution circuits against damaging overload, short-circuit and earth-fault conditions. The 1SDA071396R1 combines an 800 A continuous-current rating with high short-circuit interruption capability, making it suitable for main incomers, distribution feeders and other critical circuits within industrial and commercial switchboards.

The Ekip Touch LSIG trip unit provides adjustable long-time, short-time, instantaneous and ground-fault protection. Its electronic architecture and touchscreen interface allow protection characteristics to be configured for the requirements of the installation, helping engineers achieve effective protection, coordination and selectivity throughout complex low-voltage distribution networks.

Typical Applications

• Main incoming protection for low-voltage switchboards.
• Industrial electrical distribution systems.
• Commercial building power distribution.
• Transformer secondary and distribution protection.
• Manufacturing and process facilities.
• Data centres and critical-power installations.
• Infrastructure and utility distribution systems.
• IEC low-voltage switchgear and controlgear assemblies.