1SDA072871R1 ABB Emax 2 E2.2N 800 Ekip Dip LI 4-Pole Air Circuit Breaker

Why Choose the ABB 1SDA072871R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA072871R1 is a high-performance Emax 2 E2.2N 800 A four-pole air circuit breaker moving part designed for protection and control in low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 2 air circuit breaker series, it combines a withdrawable construction with the reliable Ekip Dip LI solid-state electronic trip unit.

This E2.2N circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The Ekip Dip LI release provides long-time overload and instantaneous short-circuit protection, helping protect electrical circuits and connected equipment against damaging overcurrents and severe fault conditions.

With a rated current of 800 A, a four-pole configuration and an ultimate short-circuit breaking capacity of 66 kA at 440 V AC, the 1SDA072871R1 provides dependable protection for 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 low-voltage power distribution.
• 800 A rated current for industrial and commercial electrical installations.
• Four-pole configuration for three-phase and neutral circuit switching and protection.
• 66 kA ultimate short-circuit breaking capacity at 440 V AC.
• 66 kA short-time withstand current for 1 s.
• Reliable Ekip Dip LI solid-state electronic trip unit.
• LI protection provides long-time overload and instantaneous short-circuit protection.
• Withdrawable construction supports efficient switchboard maintenance and servicing.

Key Features

• ABB SACE Emax 2 E2.2N series.
• 800 A rated current.
• Four-pole air circuit breaker moving part.
• Ekip Dip LI solid-state electronic protection release.
• Long-time overload (L) protection.
• Instantaneous short-circuit (I) protection.
• 66 kA Icu at 440 V AC.
• 66 kA Icw for 1 s.
• Withdrawable moving-part configuration for Emax 2 switchgear.
• Fitted with four auxiliary contacts.
• Circuit-breaker open/closed position indication.
• Designed for high-performance low-voltage power distribution applications.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB Emax 2 E2.2N provide switching, isolation and protection for high-current low-voltage distribution circuits. They are commonly used in main switchboards and industrial distribution systems where high short-circuit performance and dependable protection are essential for maintaining electrical safety and system availability.

The Ekip Dip LI trip unit provides long-time overload protection together with instantaneous short-circuit protection. Combined with the E2.2N frame's 66 kA breaking capacity at 440 V AC and withdrawable architecture, this makes the 1SDA072871R1 a robust solution for power distribution installations requiring reliable protection and convenient switchgear maintenance.

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.
• Building services and critical power installations.