1SDA073085R1 ABB E4.2V 2000 Ekip Touch LSI 4P Air Circuit Breaker

Why Choose the ABB 1SDA073085R1 E4.2V 2000 Ekip Touch LSI Air Circuit Breaker?

The ABB 1SDA073085R1 is a high-performance SACE Emax 2 E4.2V air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution systems. This four-pole withdrawable unit has a rated uninterrupted current of 2000 A and incorporates an Ekip Touch LSI electronic trip unit providing long-time overload, short-time short-circuit and instantaneous short-circuit protection.

As part of the ABB SACE Emax 2 range, the E4.2V combines very high short-circuit performance with advanced electronic protection and service-friendly withdrawable construction. The Ekip Touch release provides an intuitive touch-screen interface for configuring and managing protection settings, while the short-time protection function supports selective coordination between upstream and downstream protective devices.

With a rated operational voltage of 690 V AC, an ultimate short-circuit breaking capacity of 150 kA at 400/415 V AC and a rated short-time withstand current of 100 kA for 1 s, the E4.2V 2000 is engineered for electrical systems with exceptionally demanding prospective fault levels. Its four-pole configuration and withdrawable moving-part design make it particularly suitable for major industrial, commercial and infrastructure switchboards requiring high fault-interruption capability and maintainability.

Key Advantages

• High-capacity 2000 A SACE Emax 2 air circuit breaker for demanding low-voltage distribution systems.
• Ekip Touch LSI electronic trip unit provides long-time, short-time and instantaneous protection.
• Exceptional 150 kA ultimate short-circuit breaking capacity at 400/415 V AC.
• 100 kA short-time withstand current for 1 s supports demanding selective protection schemes.
• Four-pole configuration for three-phase systems requiring neutral switching.
• Withdrawable moving-part construction facilitates inspection, servicing and replacement in compatible Emax 2 switchgear.

Key Features

• ABB SACE Emax 2 E4.2V air circuit breaker moving part.
• 2000 A rated uninterrupted current.
• Four-pole (4P) configuration.
• 690 V AC rated operational voltage.
• Ekip Touch LSI electronic release.
• Long-time overload protection.
• Short-time delayed short-circuit protection for selective coordination.
• Instantaneous short-circuit protection.
• 150 kA Icu at 400/415 V AC.
• 100 kA Icu at 690 V AC.
• 100 kA Icw for 1 s.
• Rated service short-circuit breaking capacity equal to 100% of Icu.
• Withdrawable construction for use with the corresponding SACE Emax 2 fixed part.

High-Performance Selective Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect low-voltage distribution systems against damaging overloads and short circuits while providing dependable high-current switching and isolation. The Ekip Touch LSI release combines long-time overload protection with short-time delayed and instantaneous short-circuit protection, allowing coordinated protection strategies to be implemented across complex electrical distribution networks.

The E4.2V platform is engineered for installations with exceptionally high prospective fault currents. Its 150 kA breaking capacity at 400/415 V AC and 100 kA short-time withstand capability for 1 s provide robust fault management, while the withdrawable architecture allows the moving part to be removed from the corresponding fixed section for inspection, servicing or replacement.

Typical Applications

• Main incoming protection for high-capacity low-voltage switchboards.
• Industrial power-distribution systems with high prospective fault levels.
• Commercial and infrastructure electrical distribution.
• Transformer secondary protection.
• Generator and critical power-distribution installations.
• High-current feeders requiring selective overload and short-circuit protection.