1SDA072887R1 ABB Emax 2 E2.2S 800 Ekip G Touch LSIG 4-Pole Air Circuit Breaker

Why Choose the ABB 1SDA072887R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA072887R1 is a high-performance Emax 2 E2.2S 800 A four-pole air circuit breaker moving part designed for advanced protection and control in low-voltage electrical distribution systems. As part of the ABB SACE Emax 2 air circuit breaker series, it combines robust withdrawable construction with the sophisticated Ekip G Touch LSIG electronic trip unit.

This E2.2S circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The Ekip G Touch LSIG release provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection, while the Ekip G platform is particularly suited to applications requiring advanced generator and distribution protection functionality.

With a rated current of 800 A, a four-pole configuration and an ultimate short-circuit breaking capacity of 85 kA at 400–440 V AC, the 1SDA072887R1 provides dependable protection for demanding high-current distribution circuits. 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 distribution.
• 800 A rated current for industrial, commercial and infrastructure installations.
• Four-pole configuration with 100% rated neutral pole.
• 85 kA ultimate short-circuit breaking capacity at 400–440 V AC.
• Advanced Ekip G Touch LSIG electronic trip unit.
• Comprehensive LSIG protection covering overload, short-time, instantaneous short-circuit and earth faults.
• 66 kA short-time withstand current for 1 s for demanding distribution applications.
• Withdrawable construction supports efficient switchboard inspection, maintenance and servicing.

Key Features

• ABB SACE Emax 2 E2.2S series.
• 800 A rated current.
• Four-pole air circuit breaker moving part.
• Ekip G Touch LSIG 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 500–690 V AC.
• 66 kA Icw for 1 s and 50 kA Icw for 3 s.
• 690 V AC rated operational voltage.
• 1000 V AC rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• Withdrawable moving-part configuration for Emax 2 switchgear.
• Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.

Advanced LSIG Protection for Critical Power Distribution

Air circuit breakers such as the ABB Emax 2 E2.2S provide switching, isolation and protection for high-current low-voltage distribution circuits. The E2.2S performance level combines high short-circuit breaking capability with substantial short-time withstand performance, making it suitable for main switchboards, generator systems and industrial distribution networks where protection selectivity and continuity of supply are important.

The Ekip G Touch LSIG trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. Combined with the E2.2S frame's 85 kA breaking capacity at 400–440 V AC and withdrawable architecture, the 1SDA072887R1 provides a flexible protection solution for sophisticated low-voltage power distribution and generator applications.

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 distribution systems.
• Critical power and high-availability installations.