1SDA072987R1 ABB Emax 2 E2.2S 1600 Ekip G Touch LSIG 4-Pole Air Circuit Breaker

Why Choose the ABB 1SDA072987R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA072987R1 is a high-performance Emax 2 E2.2S 1600 A four-pole air circuit breaker moving part designed for protection, switching and control in demanding low-voltage power systems. Part of the ABB SACE Emax 2 range, it combines robust withdrawable construction with the advanced Ekip G Touch LSIG electronic trip unit.

The Ekip G Touch LSIG release provides long-time overload (L), short-time short-circuit (S), instantaneous short-circuit (I) and earth-fault (G) protection. The G Touch platform is particularly suited to generator and advanced power-distribution applications, combining comprehensive electronic protection with measurement, monitoring and system-integration capabilities.

With a rated current of 1600 A, a four-pole configuration and an ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 690 V AC, the 1SDA072987R1 provides dependable fault-interruption capability for high-current installations. Its withdrawable moving-part design enables integration with the appropriate Emax 2 E2.2 fixed part and supports efficient inspection, servicing and replacement within switchgear assemblies.

Key Advantages

• High-performance ABB Emax 2 air circuit breaker moving part for demanding low-voltage power systems.
• 1600 A rated current for high-current industrial, infrastructure and generation applications.
• Four-pole configuration for three-phase and neutral circuit switching and protection.
• 85 kA ultimate short-circuit breaking capacity at 400–440 V AC.
• 66 kA ultimate short-circuit breaking capacity at 690 V AC.
• Advanced Ekip G Touch LSIG electronic trip unit.
• Comprehensive overload, short-circuit and earth-fault protection.
• Generator-oriented G Touch platform with advanced protection, measurement and monitoring capabilities.
• Withdrawable construction supports efficient switchboard inspection, maintenance and servicing.

Key Features

• ABB SACE Emax 2 E2.2S series.
• 1600 A rated current.
• Four-pole air circuit breaker moving part.
• Ekip G Touch LSIG solid-state electronic protection release.
• Long-time overload (L) protection.
• Short-time short-circuit (S) protection.
• Instantaneous short-circuit (I) protection.
• Earth-fault (G) protection.
• 85 kA Icu at 400–440 V AC.
• 66 kA Icu at 690 V AC.
• 690 V AC rated operational voltage.
• Advanced measurement and monitoring through the Ekip G Touch platform.
• Fitted with four auxiliary contacts.
• Circuit-breaker open/closed position indication.
• Withdrawable moving-part configuration for integration with a compatible E2.2 fixed part.

Advanced LSIG Protection for Power Distribution and Generation

Air circuit breakers such as the ABB Emax 2 E2.2S provide switching, isolation and protection for high-current low-voltage circuits. The E2.2S performance level delivers an ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC and 66 kA at 690 V AC, making the 1SDA072987R1 suitable for demanding distribution systems where high prospective fault currents and continuity of service must be considered.

The Ekip G Touch LSIG trip unit combines comprehensive overload, short-circuit and earth-fault protection with advanced functionality for generator and power-distribution applications. Together with the E2.2S frame and withdrawable architecture, the 1SDA072987R1 provides a flexible solution for installations requiring high breaking performance, sophisticated electronic protection and convenient switchgear maintenance.

Typical Applications

• Main low-voltage electrical distribution switchboards.
• Generator protection and power-generation systems.
• Industrial power distribution networks.
• Commercial and infrastructure electrical installations.
• Manufacturing and process plants.
• Transformer and generator-fed distribution systems.
• Critical power and high-availability installations.