1SDA072888R1 ABB Emax 2 E2.2S 800 Ekip Hi-Touch LSI 4-Pole Air Circuit Breaker

Why Choose the ABB 1SDA072888R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA072888R1 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 advanced Ekip Hi-Touch LSI electronic trip unit.

This E2.2S circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The Ekip Hi-Touch LSI release provides long-time overload, short-time short-circuit and instantaneous short-circuit protection, while the advanced Hi-Touch platform provides enhanced measurement, protection and system-management capabilities for sophisticated electrical installations.

With a rated current of 800 A, a four-pole configuration, an ultimate short-circuit breaking capacity of 85 kA at 440 V AC and a short-time withstand current of 66 kA for 1 s, the 1SDA072888R1 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 for three-phase and neutral circuit switching and protection.
• 85 kA ultimate short-circuit breaking capacity at 440 V AC.
• 66 kA short-time withstand current for 1 s.
• Advanced Ekip Hi-Touch LSI electronic trip unit.
• LSI protection provides long-time overload, short-time and instantaneous short-circuit protection.
• 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 Hi-Touch LSI advanced electronic protection release.
• Long-time overload (L) protection.
• Short-time short-circuit (S) protection.
• Instantaneous short-circuit (I) protection.
• 85 kA Icu at 440 V AC.
• 66 kA Icw for 1 s.
• Advanced measurement and monitoring capabilities through the Ekip Hi-Touch platform.
• Withdrawable moving-part configuration for Emax 2 switchgear.
• Designed for selective protection in sophisticated low-voltage distribution systems.

Advanced LSI 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 and industrial distribution networks where protection selectivity and continuity of supply are important.

The Ekip Hi-Touch LSI trip unit provides long-time overload, short-time short-circuit and instantaneous short-circuit protection while offering the enhanced functionality of ABB's Hi-Touch protection platform. Combined with the E2.2S frame's 85 kA breaking capacity at 440 V AC and withdrawable architecture, the 1SDA072888R1 provides a flexible solution for sophisticated low-voltage power distribution systems.

Typical Applications

• Main low-voltage electrical distribution switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical installations.
• Manufacturing and process plants.
• Power distribution and switchgear assemblies.
• Generator and transformer distribution systems.
• Critical power and high-availability installations.