1SDA072572R1 ABB E4.2V 4000 Ekip Dip LSI 3p WMP Air Circuit Breaker

Why Choose the ABB E4.2V 4000 Ekip Dip LSI 3p WMP Air Circuit Breaker?

The ABB E4.2V 4000 Ekip Dip LSI 3p WMP, order code 1SDA072572R1, is a high-performance SACE Emax 2 air circuit breaker moving part designed for protection and control of demanding low-voltage electrical distribution systems. As part of the advanced ABB SACE Emax 2 E4.2 series, this three-pole withdrawable breaker combines a 4000 A rated current with the dependable Ekip Dip LSI electronic trip unit.

The Ekip Dip LSI release provides long-time overload, short-time selective and instantaneous short-circuit protection. Its adjustable electronic protection functions help coordinate upstream and downstream devices, supporting selective fault isolation and reliable protection of cables, busbars, transformers and other equipment in high-current distribution networks.

The E4.2V performance level provides an exceptional ultimate short-circuit breaking capacity of 150 kA at 400/415 V AC and 100 kA at 690 V AC. This WMP configuration is the withdrawable moving part of the breaker, allowing convenient isolation, inspection and maintenance when installed with a compatible Emax 2 E4.2 fixed part.

Key Advantages

• High-performance ABB SACE Emax 2 E4.2V air circuit breaker for demanding power distribution.
• 4000 A rated current for high-current electrical installations.
• Three-pole withdrawable design supports efficient inspection and maintenance.
• Reliable Ekip Dip LSI electronic trip unit with adjustable protection settings.
• Exceptional 150 kA breaking capacity at 400/415 V AC.
• LSI functions provide overload, selective short-circuit and instantaneous short-circuit protection.
• Four auxiliary changeover contacts support switchboard signalling and control.

Key Features

• ABB SACE Emax 2 E4.2V series.
• 4000 A rated current.
• Three-pole configuration.
• Withdrawable moving-part execution.
• Ekip Dip LSI electronic protection release.
• 150 kA Icu at 400/415 V AC.
• 100 kA Icu at 690 V AC.
• 690 V AC rated operational voltage.
• 12 kV rated impulse withstand voltage.
• 1000 V AC rated insulation voltage.
• Four auxiliary changeover contacts.
• Breaker switched-off indication.

Selective Protection for High-Current Power Distribution

ABB SACE Emax 2 air circuit breakers are engineered to protect low-voltage electrical networks against overloads and short circuits while delivering dependable switching performance in demanding installations. The E4.2V frame combines a substantial 4000 A current rating with exceptionally high short-circuit breaking performance, making it suitable for networks with high prospective fault levels.

The Ekip Dip LSI electronic trip unit provides adjustable long-time, short-time selective and instantaneous protection. Short-time protection enables coordination between upstream and downstream protective devices, helping isolate a fault as close as possible to its source while maintaining continuity of supply to unaffected sections of the electrical system.

Typical Applications

• Industrial low-voltage main distribution switchboards.
• Transformer and high-current power distribution systems.
• Power distribution centres and electrical substations.
• Manufacturing and process-industry installations.
• Data centres and critical power infrastructure.
• Large commercial and infrastructure electrical systems.
• High-fault-level switchboards requiring selective withdrawable circuit protection.