1SDA072451R1 ABB E4.2V 2000 Ekip Dip LI 3p WMP Air Circuit Breaker

Why Choose the ABB E4.2V 2000 Ekip Dip LI 3p WMP Air Circuit Breaker?

The ABB E4.2V 2000 Ekip Dip LI 3p WMP, order code 1SDA072451R1, 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 2000 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, delivering straightforward electronic protection for main distribution circuits. Its adjustable protection functions allow the breaker to be coordinated with installation requirements while retaining the simplicity and reliability of ABB's Ekip Dip platform.

With an ultimate short-circuit breaking capacity of 150 kA at 415–440 V AC and 100 kA at 690 V AC, together with a short-time withstand current of 100 kA for 1 s, the E4.2V 2000 is engineered for electrical systems 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.
• 2000 A rated current for high-current industrial and infrastructure applications.
• Ekip Dip LI electronic release provides long-time overload and instantaneous short-circuit protection.
• Exceptional 150 kA breaking capacity at 415–440 V AC.
• 100 kA breaking capacity at 690 V AC for demanding higher-voltage LV systems.
• 100 kA short-time withstand current for 1 s supports high levels of selectivity.
• Withdrawable three-pole construction supports efficient maintenance and switchgear servicing.

Key Features

• ABB SACE Emax 2 E4.2V air circuit breaker moving part.
• 2000 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.
• 150 kA Icu at 415–440 V AC.
• 100 kA Icu at 690 V AC.
• 100 kA Icw for 1 s.
• Withdrawable moving-part construction for compatible Emax 2 switchgear.
• Four auxiliary contacts for signalling and control.
• Circuit-breaker open/closed position indication.
• S51 trip signalling contact supplied as standard.

High-Fault-Level 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 designed for installations with very high prospective fault currents, combining a high breaking capacity with strong short-time withstand performance to support selective distribution architectures.

The Ekip Dip LI release provides dependable electronic long-time and instantaneous protection without unnecessary complexity. Combined with the withdrawable Emax 2 architecture, the E4.2V provides a robust solution for critical switchboards where high fault-clearing 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.