1SDA104518R1 ABB E4.2H/E9 3200 Ekip Dip LSIG 3P Air Circuit Breaker 900 V

Why Choose the ABB 1SDA104518R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA104518R1 is a high-performance E4.2H/E9 3200 Ekip Dip LSIG 3-pole air circuit breaker designed for protection and control of high-current AC power distribution systems operating at 900 V AC. As part of the ABB SACE Emax 2/E9 series, this withdrawable circuit breaker combines a 3200 A rated uninterrupted current with high short-circuit breaking performance and comprehensive electronic protection for demanding industrial, infrastructure and power distribution applications.

Equipped with the Ekip Dip LSIG electronic trip unit, the breaker provides long-time, short-time, instantaneous and ground-fault protection. The Ekip Dip platform uses straightforward DIP-switch configuration for protection settings, providing dependable electronic protection with accessible adjustment and commissioning.

The E4.2H/E9 configuration provides a rated uninterrupted current of 3200 A and a rated ultimate short-circuit breaking capacity of 75 kA at 900 V AC. Its three-pole withdrawable moving-part construction is designed for integration into compatible Emax 2 switchgear, allowing the breaker to be withdrawn for inspection, maintenance or replacement.

Key Advantages

• High-capacity 3200 A air circuit breaker for demanding electrical distribution systems.
• Designed for elevated-voltage AC applications at 900 V AC.
• 75 kA ultimate short-circuit breaking capacity at 900 V AC.
• Comprehensive Ekip Dip LSIG electronic protection trip unit.
• LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
• Three-pole configuration for three-phase electrical distribution systems.
• Withdrawable moving-part construction supports convenient inspection, servicing and breaker replacement.
• Part of ABB's SACE Emax 2/E9 air circuit breaker platform for demanding high-current applications.

Key Features

• ABB SACE Emax 2 E4.2H/E9 series.
• 3200 A rated uninterrupted current.
• Designed for 900 V AC applications.
• 3-pole circuit breaker configuration.
• Ekip Dip LSIG electronic release.
• Long-time, short-time, instantaneous and ground-fault protection functions.
• 75 kA Icu at 900 V AC.
• High H-class short-circuit performance for demanding distribution networks.
• Withdrawable moving-part construction for compatible Emax 2 switchgear.
• DIP-switch configuration for straightforward protection setting and commissioning.

Comprehensive Circuit Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect high-current electrical distribution systems against overloads, short circuits and ground faults while providing switching and isolation functionality. The E4.2H/E9 platform is engineered for demanding elevated-voltage AC applications, combining a 3200 A current rating with 75 kA ultimate short-circuit breaking capacity at 900 V AC.

The integrated Ekip Dip LSIG release provides configurable long-time, short-time, instantaneous and ground-fault protection, extending protection beyond conventional LSI functionality to include ground-fault detection. Its DIP-switch-based interface supports straightforward protection setting, while the withdrawable Emax 2 construction facilitates maintainable switchboard designs for industrial plants, infrastructure facilities, power generation systems and other critical high-current power distribution applications.

Typical Applications

• High-current industrial power distribution systems.
• Main electrical distribution switchboards.
• 900 V AC power distribution systems.
• Manufacturing and process plants.
• Power generation and utility installations.
• Renewable energy installations.
• Large infrastructure and industrial facilities.
• Protection of high-current feeders and critical distribution circuits.
• Applications requiring ground-fault protection.
• Withdrawable industrial switchgear assemblies.