1SDA072511R1 ABB E4.2H 3200 Ekip Dip LI 3p WMP Air Circuit Breaker

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

The ABB E4.2H 3200 Ekip Dip LI 3p WMP, order code 1SDA072511R1, is a high-performance SACE Emax 2 air circuit breaker (ACB) designed for protection and control in demanding low-voltage power distribution systems. As part of the advanced ABB Emax 2 series, this three-pole circuit breaker combines a rated current of 3200 A with an Ekip Dip LI electronic trip unit for dependable overload and instantaneous short-circuit protection.

The E4.2H performance level is engineered for high-current installations requiring substantial short-circuit interruption capability. Its Ekip Dip LI electronic release provides long-time overload and instantaneous short-circuit protection, making the breaker suitable for protecting feeders, transformers and major distribution circuits in industrial and commercial electrical systems.

With a rated current of 3200 A, a rated ultimate short-circuit breaking capacity of 100 kA at 400–440 V AC and a rated short-time withstand current of 85 kA for 1 s, the 1SDA072511R1 provides robust protection for substantial low-voltage distribution installations. Its three-pole withdrawable moving-part configuration facilitates inspection, servicing and maintenance within compatible ABB SACE Emax 2 switchgear.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage power distribution.
• 3200 A rated current for high-current industrial and commercial installations.
• 100 kA ultimate short-circuit breaking capacity at 400–440 V AC.
• 85 kA short-time withstand current for 1 s supports robust system protection.
• Ekip Dip LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
• Three-pole withdrawable design supports convenient switchboard inspection, servicing and maintenance.

Key Features

• ABB SACE Emax 2 E4.2H series.
• 3200 A rated current.
• Three-pole configuration.
• H high-performance breaking capacity class.
• 100 kA rated ultimate short-circuit breaking capacity at 400–440 V AC.
• 85 kA rated short-time withstand current for 1 s.
• Ekip Dip LI electronic protection release.
• Long-time overload and instantaneous short-circuit protection functions.
• DIP-switch-based protection setting for straightforward configuration.
• Withdrawable moving-part construction for compatible Emax 2 switchgear assemblies.

Reliable LI Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect high-current low-voltage electrical systems against potentially damaging overload and short-circuit conditions. The E4.2H platform combines a substantial 3200 A current rating with high fault interruption capability, making it suitable for main distribution boards, industrial switchboards and other critical electrical installations.

The Ekip Dip LI electronic release provides long-time overload protection and instantaneous short-circuit protection. Combined with the E4.2H breaker’s high breaking capacity and withdrawable construction, this provides a robust protection solution for installations where dependable operation, high fault-clearing capability and straightforward maintenance are required.

Typical Applications

• Main low-voltage electrical distribution boards.
• High-current industrial switchboards.
• Transformer secondary and distribution protection.
• Manufacturing and process plant electrical systems.
• Commercial and infrastructure power distribution.
• High-current installations requiring electronic LI protection and high fault interruption capability.