1SDA072494R1 ABB E4.2N 3200 Ekip Touch LI 3p WMP Air Circuit Breaker 3200 A

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

The ABB E4.2N 3200 Ekip Touch LI 3p WMP, order code 1SDA072494R1, is a high-performance three-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for reliable protection and switching in high-current low-voltage power distribution systems. With a 3200 A rated current and ABB's advanced Ekip Touch LI electronic trip unit, it provides long-time overload and instantaneous short-circuit protection with an intuitive touchscreen interface.

The E4.2N combines substantial current-carrying capacity with dependable short-circuit performance for industrial, commercial and infrastructure installations. This N-performance model provides a rated ultimate short-circuit breaking capacity of 66 kA at 440 V AC and a rated short-time withstand current of 66 kA for 1 s, supporting robust protection in demanding low-voltage distribution networks.

The 1SDA072494R1 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. Its Ekip Touch LI release offers adjustable long-time protection from 1280–3200 A and instantaneous short-circuit protection, while the withdrawable design simplifies inspection, servicing and replacement within compatible SACE Emax 2 switchgear assemblies.

Key Advantages

• High-capacity 3200 A air circuit breaker for low-voltage power distribution.
• 66 kA ultimate breaking capacity at 440 V AC for demanding electrical installations.
• Advanced Ekip Touch LI electronic protection with long-time and instantaneous functions.
• Intuitive touchscreen trip-unit interface for configuration and monitoring.
• Three-pole withdrawable configuration supports convenient switchgear servicing and maintenance.
• Rated operational voltage up to 690 V AC.

Key Features

• ABB SACE Emax 2 E4.2N series.
• 3200 A rated uninterrupted current.
• Three-pole configuration.
• Ekip Touch LI electronic trip unit.
• Long-time overload and instantaneous short-circuit protection.
• 66 kA Icu at 440 V AC.
• 66 kA Icw for 1 s.
• Adjustable overload protection from 1280–3200 A.
• Adjustable instantaneous protection from 1.5–15 × In.
• Touchscreen interface for protection settings and breaker information.
• Withdrawable moving-part configuration for compatible SACE Emax 2 switchgear.
• Four auxiliary change-over contacts with circuit-breaker open/closed position indication.

Advanced Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 provide switching, isolation and circuit protection for high-current low-voltage electrical networks. The E4.2N frame is designed for major distribution circuits where substantial current-carrying capability, dependable short-circuit interruption and maintainable switchgear construction are required.

The Ekip Touch LI electronic trip unit provides adjustable long-time overload protection together with instantaneous short-circuit protection. Its touchscreen interface simplifies interaction with the protection unit, while the withdrawable construction of the 1SDA072494R1 supports efficient maintenance and servicing in critical power distribution installations.

Typical Applications

• Main low-voltage electrical switchboards.
• Industrial power distribution systems.
• Manufacturing and process plant switchgear.
• Commercial and infrastructure power distribution.
• Transformer and installation protection.
• High-current incoming and distribution feeders.
• Large electrical distribution panels.
• Withdrawable switchgear assemblies requiring serviceable high-current circuit protection.