1SDA072512R1 ABB E4.2H 3200 Ekip Dip LSI 3p WMP Air Circuit Breaker

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

The ABB E4.2H 3200 Ekip Dip LSI 3p WMP, order code 1SDA072512R1, 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 LSI solid-state electronic trip unit for configurable overload and short-circuit protection.

The E4.2H performance level is engineered for high-current installations requiring substantial short-circuit interruption capability. Its Ekip Dip LSI release provides long-time, short-time and instantaneous protection functions, allowing the breaker to protect electrical installations against overloads and short circuits while supporting selective coordination between protective devices.

With a rated current of 3200 A, a rated voltage of 690 V AC and a rated ultimate short-circuit breaking capacity of 100 kA at 400 V AC, the 1SDA072512R1 is suitable for substantial industrial and commercial power distribution systems. Its three-pole withdrawable moving-part configuration facilitates inspection, servicing and maintenance within compatible ABB SACE Emax 2 switchgear assemblies.

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 V AC.
• Advanced Ekip Dip LSI electronic trip unit for configurable circuit protection.
• Long-time, short-time and instantaneous protection functions support effective protection coordination.
• 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.
• 690 V AC rated voltage.
• 100 kA rated ultimate short-circuit breaking capacity at 400 V AC.
• Ekip Dip LSI solid-state electronic protection release.
• Long-time, short-time and instantaneous protection functions.
• 1280 A minimum overload release setting.
• 1920 A minimum short-time delayed short-circuit release setting.
• 4800 A minimum instantaneous short-circuit release setting.
• Four auxiliary changeover contacts with circuit-breaker open/closed position indication.
• IP30 protection rating.

Selective LSI 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 substantial current-carrying capability with high fault interruption performance, making it suitable for main distribution boards, industrial switchboards and other critical electrical installations.

The Ekip Dip LSI electronic release provides long-time overload protection, short-time delayed short-circuit protection and instantaneous short-circuit protection. The short-time protection function supports selective coordination between protective devices, helping isolate faults while maintaining continuity in unaffected sections of a properly designed electrical distribution system.

Typical Applications

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