1SDA073041R1 ABB E2.2N 2500 Ekip Dip LI 4p WMP Air Circuit Breaker 2500 A

Why Choose the ABB E2.2N 2500 Ekip Dip LI 4p WMP Air Circuit Breaker?

The ABB E2.2N 2500 Ekip Dip LI 4p WMP, order code 1SDA073041R1, is a four-pole air circuit breaker moving part from the ABB SACE Emax 2 range, designed for protection, switching and isolation in high-current low-voltage power distribution systems. It combines a 2500 A rated uninterrupted current with the E2.2N performance level for demanding industrial, commercial and infrastructure installations.

This Emax 2 moving part incorporates the Ekip Dip LI solid-state electronic trip unit, providing long-time overload and instantaneous short-circuit protection. Protection settings are configured using DIP switches, providing a straightforward electronic protection solution for distribution circuits where dedicated ground-fault or short-time delayed protection is not required.

The E2.2N 2500 provides a rated ultimate short-circuit breaking capacity of 66 kA at 380–690 V AC, a rated short-time withstand current of 66 kA for 1 s and a rated operational voltage of 690 V AC. Its four-pole withdrawable moving-part (WMP) construction is designed for use with the corresponding Emax 2 fixed part, supporting convenient isolation, inspection and servicing within maintainable switchgear assemblies.

Key Advantages

• Proven ABB SACE Emax 2 air circuit breaker technology for high-current low-voltage distribution.
• 2500 A rated uninterrupted current for demanding electrical installations.
• Four-pole configuration with 100% neutral-pole current capability.
• Ekip Dip LI electronic trip unit provides long-time overload and instantaneous short-circuit protection.
• 66 kA ultimate short-circuit breaking capacity at 380–690 V AC.
• 66 kA short-time withstand current for 1 s.
• Adjustable electronic protection settings configured through DIP switches.
• 690 V AC rated operational voltage and 1000 V AC rated insulation voltage.
• Withdrawable construction supports efficient isolation, inspection and maintenance.

Key Features

• ABB SACE Emax 2 E2.2N series.
• 2500 A rated uninterrupted current.
• Four-pole air circuit breaker moving part.
• 100% neutral-pole current capability.
• Ekip Dip LI solid-state electronic protection release.
• Long-time overload and instantaneous short-circuit protection.
• Long-time protection adjustable from 0.4–1 × In.
• Instantaneous protection adjustable from 1.5–15 × In.
• Protection settings configured using DIP switches.
• 66 kA Icu at 380, 400/415, 440, 500/525 and 690 V AC.
• 66 kA Icw for 1 s.
• Rated operational voltage of 690 V AC.
• Rated insulation voltage of 1000 V AC.
• 50/60 Hz rated frequency.
• Four auxiliary changeover contacts.
• Circuit-breaker open/closed position indication.
• IP30 degree of protection.
• Optional motor drive capability.
• Withdrawable moving-part construction.
• Designed in accordance with IEC 60947-2.

Reliable LI Protection for High-Current Power Distribution

The ABB SACE Emax 2 E2.2N platform provides switching, isolation and electronic overcurrent protection for high-current low-voltage distribution circuits. With a 2500 A rated uninterrupted current, 66 kA ultimate short-circuit breaking capacity across 380–690 V AC and 66 kA short-time withstand current for 1 s, this configuration is suitable for demanding main switchboards and feeder applications.

The Ekip Dip LI trip unit combines adjustable long-time protection against sustained overload conditions with instantaneous protection against severe short circuits. Its DIP-switch configuration provides straightforward protection adjustment, while the withdrawable Emax 2 architecture facilitates isolation and maintenance in installations where serviceability and continuity of operation are important.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial electrical distribution systems.
• Commercial and infrastructure power distribution.
• Main incoming and high-current feeder protection.
• Transformer secondary and installation protection.
• Industrial switchgear and power distribution assemblies.
• Systems requiring adjustable electronic overload protection.
• Circuits requiring instantaneous short-circuit protection.
• High-current circuits requiring a 2500 A air circuit breaker.
• Withdrawable switchgear systems requiring convenient maintenance and isolation.