1SDA072452R1 ABB E4.2V 2000 Ekip Dip LSI 3p WMP Air Circuit Breaker

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

The ABB E4.2V 2000 Ekip Dip LSI 3p WMP, order code 1SDA072452R1, 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 LSI solid-state electronic protection release.

The Ekip Dip LSI release provides long-time, short-time and instantaneous protection, delivering comprehensive overload and short-circuit protection with the added selectivity of a short-time delayed protection function. This makes the breaker well suited to main distribution circuits where coordination with downstream protective devices is important.

With a rated operational voltage up to 690 V AC, an ultimate short-circuit breaking capacity of 150 kA at 440 V AC and 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 LSI electronic release provides long-time, short-time and instantaneous protection.
• Exceptional 150 kA ultimate short-circuit breaking capacity at 440 V AC.
• 100 kA short-time withstand current for 1 s supports selective protection architectures.
• Short-time delayed protection assists coordination with downstream circuit breakers.
• Withdrawable three-pole construction supports efficient inspection, servicing and replacement.

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 LSI solid-state electronic protection release.
• Long-time, short-time and instantaneous protection functions.
• Short-time delayed protection for improved selectivity.
• 690 V AC rated operational voltage.
• 150 kA Icu at 440 V AC.
• 100 kA Icw for 1 s.
• Withdrawable moving-part construction for compatible Emax 2 switchgear.
• Four auxiliary change-over contacts for signalling and control.
• Switched-off indication and push-button control.
• Optional motor operator for electrically operated switching applications.

Selective LSI Protection for High-Fault-Level 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, combining exceptional breaking capacity with strong short-time withstand performance.

The Ekip Dip LSI release adds short-time delayed protection to the long-time and instantaneous functions, enabling improved coordination between upstream and downstream protective devices. Combined with the withdrawable Emax 2 architecture, it provides a robust solution for critical switchboards where selectivity, high fault-clearing capability, operational continuity and efficient servicing are important.

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.
• Three-phase systems requiring high breaking capacity and selective LSI protection.