1SDA072471R1 ABB E4.2V 2500 Ekip Dip LI 3p WMP Air Circuit Breaker

Why Choose the ABB E4.2V 2500 Ekip Dip LI 3p WMP Air Circuit Breaker?

The ABB E4.2V 2500 Ekip Dip LI 3p WMP, order code 1SDA072471R1, is a high-performance SACE Emax 2 air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. This three-pole withdrawable moving part combines a 2500 A rated current with the reliable Ekip Dip LI solid-state electronic protection release.

The Ekip Dip LI release provides long-time overload and instantaneous short-circuit protection, offering dependable electronic protection for high-current main distribution circuits. The overload setting can be adjusted from 1000–2500 A, while the instantaneous short-circuit release can be adjusted from 3750–37500 A to suit system protection requirements.

With a rated operational voltage of 690 V AC, an ultimate short-circuit breaking capacity of 150 kA at 400–415 V AC and 100 kA at 690 V AC, the E4.2V 2500 is engineered for installations with exceptionally high prospective fault currents. Its withdrawable construction facilitates inspection, maintenance and replacement within compatible ABB Emax 2 switchgear.

Key Advantages

• High-performance ABB SACE Emax 2 air circuit breaker for demanding low-voltage distribution.
• 2500 A rated current for high-current industrial and infrastructure applications.
• Ekip Dip LI electronic release provides adjustable overload and instantaneous short-circuit protection.
• Exceptional 150 kA ultimate short-circuit breaking capacity at 400–415 V AC.
• 100 kA breaking capacity at 690 V AC for demanding higher-voltage LV systems.
• Withdrawable construction supports efficient inspection, maintenance and breaker replacement.

Key Features

• ABB SACE Emax 2 E4.2V air circuit breaker moving part.
• 2500 A rated uninterrupted current.
• Three-pole configuration for three-phase AC systems.
• Ekip Dip LI solid-state electronic protection release.
• Long-time overload and instantaneous short-circuit protection functions.
• 1000–2500 A overload release adjustment range.
• 3750–37500 A instantaneous short-circuit release adjustment range.
• 690 V AC rated operational voltage.
• 150 kA Icu at 400–415 V AC.
• 100 kA Icu at 690 V AC.
• Withdrawable moving-part construction for compatible Emax 2 switchgear.
• Four auxiliary change-over contacts and circuit-breaker open/closed position indication.
• Optional motor operator for electrically operated switching applications.

High-Fault-Level LI Protection for Critical Power Distribution

Air circuit breakers such as the ABB Emax 2 E4.2V protect low-voltage electrical systems by interrupting excessive current during overload and short-circuit conditions. The E4.2V performance level is engineered for installations with very high prospective fault currents, providing exceptional fault-clearing capability for important main distribution circuits.

The Ekip Dip LI release provides adjustable long-time overload and instantaneous short-circuit protection in a straightforward electronic protection platform. Combined with the withdrawable Emax 2 architecture, it provides a robust solution for critical switchboards where high fault-breaking capability, operational continuity and efficient servicing are essential.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems with high prospective fault currents.
• Critical infrastructure electrical installations.
• Manufacturing and process plant switchgear.
• Transformer incomers and high-power distribution circuits.
• High-current three-phase systems requiring exceptional short-circuit breaking performance.