1SDA072507R1 ABB E4.2S 3200 Ekip G Touch LSIG 3p WMP Air Circuit Breaker 3200 A

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

The ABB E4.2S 3200 Ekip G Touch LSIG 3p WMP, order code 1SDA072507R1, is a high-performance three-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for protection, switching and monitoring in high-current low-voltage power distribution systems. With a 3200 A rated current and ABB's advanced Ekip G Touch LSIG electronic trip unit, it provides long-time, short-time, instantaneous and earth-fault protection for demanding electrical installations.

The E4.2S combines substantial current-carrying capability with high short-circuit performance. This S-performance model provides a rated ultimate short-circuit breaking capacity of 85 kA at 400–415 V AC and 66 kA at 690 V AC, making it suitable for industrial, commercial and infrastructure distribution systems where dependable fault interruption and selective protection are essential.

The 1SDA072507R1 is the moving part of a withdrawable circuit breaker and features a three-pole configuration with a rated operational voltage up to 690 V AC. It is fitted with four auxiliary change-over contacts and circuit-breaker open/closed position indication, while the Ekip G Touch LSIG release provides comprehensive electronic protection and advanced functionality for generator and power distribution applications.

Key Advantages

• High-capacity 3200 A air circuit breaker for demanding low-voltage distribution systems.
• 85 kA ultimate breaking capacity at 400–415 V AC for high-fault-current installations.
• Advanced Ekip G Touch LSIG electronic protection with long-time, short-time, instantaneous and earth-fault functions.
• Three-pole withdrawable moving-part configuration supports convenient switchgear servicing and maintenance.
• Rated operational voltage up to 690 V AC.
• Touch-based electronic trip technology supports precise protection configuration and monitoring.

Key Features

• ABB SACE Emax 2 E4.2S series.
• 3200 A rated uninterrupted current.
• Three-pole configuration.
• Ekip G Touch LSIG solid-state electronic release.
• Long-time overload, short-time, instantaneous and earth-fault protection.
• 85 kA Icu at 400–415 V AC.
• 66 kA Icu at 690 V AC.
• 66 kA short-time withstand current.
• Adjustable overload protection from 1280–3200 A.
• Four auxiliary change-over contacts.
• Circuit-breaker open/closed position indication.
• Withdrawable moving-part configuration for compatible SACE Emax 2 switchgear.

Advanced Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 provide switching, isolation and fault protection for high-current low-voltage electrical networks. The E4.2S frame combines a 3200 A current rating with high short-circuit interruption capability, making it suitable for major incoming and distribution circuits where dependable operation and protection coordination are required.

The Ekip G Touch LSIG electronic trip unit provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. Combined with the withdrawable construction of the E4.2S, these functions make the 1SDA072507R1 suitable for sophisticated power distribution and generator applications where selectivity, comprehensive fault protection, monitoring and serviceability are important.

Typical Applications

• Main low-voltage electrical switchboards.
• Industrial power distribution systems.
• Generator protection and power distribution applications.
• Manufacturing and process plant switchgear.
• Commercial and infrastructure power distribution.
• Transformer and installation protection.
• High-current incoming and distribution feeders.
• Selective protection systems requiring LSIG functionality.
• Applications requiring integrated earth-fault protection.
• Withdrawable switchgear assemblies requiring high-current circuit protection.