1SDA072498R1 ABB E4.2N 3200 Ekip Hi-Touch LSI 3p WMP Air Circuit Breaker

Why Choose the ABB E4.2N 3200 Ekip Hi-Touch LSI 3p WMP Air Circuit Breaker?

The ABB E4.2N 3200 Ekip Hi-Touch LSI 3p WMP, order code 1SDA072498R1, is a high-performance SACE Emax 2 air circuit breaker designed for advanced protection, switching, measurement and monitoring in demanding low-voltage power distribution systems. This three-pole withdrawable moving part combines a 3200 A rated current with ABB's advanced Ekip Hi-Touch LSI solid-state electronic protection release.

The Ekip Hi-Touch LSI release provides long-time, short-time and instantaneous protection for dependable overload and short-circuit protection. Its advanced electronic platform supports sophisticated protection, measurement and monitoring functions, making the breaker suitable for critical industrial, commercial and infrastructure distribution networks where selective protection and detailed system supervision are required.

The E4.2N 3200 provides an ultimate short-circuit breaking capacity of 66 kA at 440 V AC together with a short-time withstand current of 66 kA for 1 s. Its withdrawable construction facilitates inspection, servicing and replacement, while four auxiliary contacts and open/closed position indication support switchgear signalling and control.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution.
• 3200 A rated current for high-current industrial and infrastructure applications.
• Ekip Hi-Touch LSI electronic release provides advanced long-time, short-time and instantaneous protection.
• 66 kA ultimate short-circuit breaking capacity at 440 V AC.
• 66 kA short-time withstand current for 1 s supports selective protection architectures.
• Advanced Hi-Touch platform supports sophisticated protection, measurement and monitoring.
• Withdrawable three-pole construction supports efficient inspection, maintenance and replacement.

Key Features

• ABB SACE Emax 2 E4.2N air circuit breaker moving part.
• 3200 A rated uninterrupted current.
• Three-pole configuration for three-phase AC systems.
• Ekip Hi-Touch LSI solid-state electronic protection release.
• Long-time, short-time and instantaneous protection functions.
• 1280–3200 A overload protection adjustment range.
• Advanced electronic measurement and monitoring capabilities.
• 66 kA Icu at 440 V AC.
• 66 kA Icw for 1 s.
• Withdrawable moving-part construction for compatible Emax 2 switchgear.
• Four auxiliary contacts for signalling and control.
• Circuit-breaker open/closed position indication.
• Compatible fixed part or chassis ordered separately.

Advanced LSI Protection for High-Current Power Distribution

Air circuit breakers such as the ABB Emax 2 E4.2N protect low-voltage electrical systems by interrupting excessive current during overload and short-circuit conditions. The E4.2N combines a high continuous-current rating with strong short-circuit and short-time withstand performance, making it suitable for important main and distribution circuits in industrial and infrastructure installations.

The Ekip Hi-Touch LSI release combines configurable long-time, short-time and instantaneous protection with advanced electronic measurement and monitoring capabilities. Together with the withdrawable Emax 2 architecture, it provides a flexible solution for switchboards where selective protection, operational continuity, system visibility and efficient maintenance are important.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial and critical infrastructure installations.
• Manufacturing and process plant switchgear.
• Transformer incomers and high-current distribution circuits.
• Three-phase systems requiring advanced LSI protection and monitoring.