1SDA073198R1 ABB E4.2H 4000 Ekip Hi-Touch LSI 4p WMP Air Circuit Breaker 4000 A

Why Choose the ABB E4.2H 4000 Ekip Hi-Touch LSI 4p WMP Air Circuit Breaker?

The ABB E4.2H 4000 Ekip Hi-Touch LSI 4p WMP, order code 1SDA073198R1, is a high-performance four-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for advanced protection and switching in demanding low-voltage power distribution systems. With a rated uninterrupted current of 4000 A, it combines the heavy-duty E4.2 frame with an advanced Ekip Hi-Touch LSI electronic protection release.

The Ekip Hi-Touch LSI release provides adjustable long-time overload, short-time selective short-circuit and instantaneous short-circuit protection. It also incorporates advanced measurement and network analysis capabilities, while its touchscreen interface provides convenient access to protection settings and electrical information for sophisticated power distribution applications.

The E4.2H performance level provides a rated ultimate short-circuit breaking capacity of 100 kA at 400/415/440 V AC and 85 kA at 500/525/690 V AC. With a rated operational voltage of 690 V AC, this four-pole model is supplied as a withdrawable moving part with rear terminals for integration into compatible ABB SACE Emax 2 switchgear assemblies.

Key Advantages

• High-current 4000 A four-pole air circuit breaker for demanding low-voltage power distribution.
• Ekip Hi-Touch LSI electronic trip unit provides adjustable long-time, short-time and instantaneous protection.
• Integrated advanced measurement and network analysis capabilities support detailed electrical system monitoring.
• High rated ultimate short-circuit breaking capacity of 100 kA at 400/415/440 V AC.
• Maintains 85 kA Icu at 690 V AC for demanding high-voltage low-voltage distribution applications.
• Withdrawable moving-part construction supports efficient switchgear isolation, inspection and maintenance.

Key Features

• ABB SACE Emax 2 E4.2 air circuit breaker platform.
• 4000 A rated uninterrupted current.
• Four-pole configuration.
• H short-circuit performance level.
• Ekip Hi-Touch LSI electronic release.
• Long-time overload, short-time selective and instantaneous short-circuit protection.
• Long-time protection adjustable from 0.4–1 × In.
• Instantaneous protection adjustable from 1.5–15 × In.
• Integrated Ekip Measuring Pro measurement functionality.
• Integrated Network Analyzer functionality.
• Touch-sensitive display for configuration and electrical information.
• 100 kA Icu at 400/415/440 V AC.
• 85 kA Icu at 500/525/690 V AC.
• Withdrawable moving-part design with rear terminals.

Advanced Protection and Monitoring for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 provide switching, isolation and protection for high-current low-voltage electrical installations. The E4.2 platform is engineered for demanding power systems, combining substantial current-carrying capability with high short-circuit performance for main switchboards, industrial facilities, infrastructure and other critical electrical networks.

The Ekip Hi-Touch LSI electronic trip unit combines adjustable long-time, short-time and instantaneous protection with advanced measurement and network analysis capabilities. Together with the breaker’s 4000 A current rating, 100 kA breaking capacity at 400/415/440 V AC and withdrawable construction, this makes the E4.2H suitable for high-power installations requiring sophisticated electronic protection, selective coordination and detailed system monitoring.

Typical Applications

• High-current low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Data centres and critical infrastructure installations.
• Large commercial and infrastructure electrical systems.
• Transformer secondary distribution applications.
• Incoming and outgoing high-current switchgear feeders.
• Power systems requiring advanced electronic protection, measurement and network analysis.