1SDA072497R1 ABB E4.2N 3200 Ekip G Touch LSIG 3p WMP Air Circuit Breaker

Why Choose the ABB E4.2N 3200 Ekip G Touch LSIG 3p WMP Air Circuit Breaker?

The ABB E4.2N 3200 Ekip G Touch LSIG 3p WMP, order code 1SDA072497R1, is a high-performance SACE Emax 2 air circuit breaker designed for advanced protection, switching and power management in demanding low-voltage electrical systems. This three-pole withdrawable moving part combines a 3200 A rated current with the generator-oriented Ekip G Touch LSIG electronic protection release.

The Ekip G Touch LSIG release provides long-time, short-time, instantaneous and ground-fault protection for comprehensive protection against overloads, short circuits and earth faults. Its generator-oriented functionality makes the breaker particularly suitable for power-generation applications as well as sophisticated industrial and infrastructure distribution systems.

With a rated operational voltage of 690 V AC, an ultimate short-circuit breaking capacity of 66 kA across 400–690 V AC and a short-time withstand current of 66 kA for 1 s, the E4.2N 3200 provides dependable fault interruption and selective protection. Its withdrawable moving-part construction facilitates inspection, servicing and replacement within compatible ABB Emax 2 switchgear.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage systems.
• 3200 A rated current for high-current industrial and power-generation applications.
• Ekip G Touch LSIG electronic release combines comprehensive LSIG protection with generator-oriented functionality.
• 66 kA ultimate short-circuit breaking capacity across 400–690 V AC.
• 66 kA short-time withstand current for 1 s supports selective distribution architectures.
• Withdrawable three-pole construction supports efficient inspection, maintenance and breaker 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 G Touch LSIG electronic protection release.
• Long-time, short-time, instantaneous and ground-fault protection functions.
• 1280–3200 A overload protection adjustment range.
• 1920–32000 A short-time protection adjustment range.
• 4800–48000 A instantaneous protection adjustment range.
• Integrated earth-fault protection.
• 690 V AC rated operational voltage.
• 66 kA Icu at 400–690 V AC.
• Ics equal to 100% of Icu.
• 66 kA Icw for 1 s and 50 kA for 3 s.
• Withdrawable moving-part construction for compatible Emax 2 switchgear.
• Four auxiliary change-over contacts and circuit-breaker open/closed position indication.

Advanced Generator and LSIG Protection for High-Current Systems

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

The Ekip G Touch LSIG release combines configurable long-time, short-time, instantaneous and ground-fault protection with generator-oriented functionality. Together with the withdrawable Emax 2 architecture, it provides a flexible solution for critical switchboards requiring comprehensive protection, selective coordination, operational continuity and efficient servicing.

Typical Applications

• Generator protection and power-generation systems.
• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial and critical infrastructure installations.
• Manufacturing and process plant switchgear.
• High-current three-phase systems requiring advanced LSIG and earth-fault protection.