1SDA072931R1 ABB E2.2N 1250 Ekip Dip LI 4p WMP Air Circuit Breaker 1250 A

Why Choose the ABB E2.2N 1250 Ekip Dip LI 4p WMP Air Circuit Breaker?

The ABB E2.2N 1250 Ekip Dip LI 4p WMP, order code 1SDA072931R1, is a high-performance four-pole air circuit breaker (ACB) from the ABB SACE Emax 2 range, designed for protection and switching in low-voltage power distribution systems. With a rated uninterrupted current of 1250 A, it combines the E2.2 frame with an Ekip Dip LI electronic protection release.

The Ekip Dip LI release provides adjustable long-time overload and instantaneous short-circuit protection. Protection settings are configured using DIP switches, providing straightforward adjustment for the requirements of the electrical installation while helping protect cables, busbars and connected equipment against damaging overcurrents.

The E2.2N 1250 offers a rated ultimate short-circuit breaking capacity of 66 kA across 380–690 V AC, together with a rated operational voltage of 690 V AC and rated insulation voltage of 1000 V AC. This four-pole model is supplied as a withdrawable moving part, supporting efficient inspection and maintenance within compatible ABB SACE Emax 2 switchgear assemblies.

Key Advantages

• High-performance 1250 A four-pole air circuit breaker for low-voltage power distribution.
• Ekip Dip LI electronic trip unit provides adjustable overload and instantaneous short-circuit protection.
• Rated ultimate short-circuit breaking capacity of 66 kA at 400/415 V AC.
• Maintains 66 kA Icu at 690 V AC for demanding distribution systems.
• 690 V AC rated operational voltage for industrial and commercial installations.
• Withdrawable moving-part construction supports efficient switchgear servicing and maintenance.

Key Features

• ABB SACE Emax 2 E2.2 air circuit breaker platform.
• 1250 A rated uninterrupted current.
• Four-pole configuration.
• Ekip Dip LI electronic release.
• Adjustable long-time overload protection from 0.4–1 × In.
• Adjustable instantaneous protection from 1.5–15 × In.
• Protection settings configured through DIP switches.
• 66 kA Icu at 380–690 V AC.
• Rated operational voltage up to 690 V AC.
• Withdrawable moving-part design with rear terminals for compatible Emax 2 switchgear.

Reliable Circuit Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax 2 protect low-voltage electrical installations against overloads and short circuits while providing controlled switching and isolation of high-current circuits. The E2.2 platform combines substantial current-carrying capability with high short-circuit breaking performance for use in main switchboards and demanding industrial power distribution systems.

The Ekip Dip LI electronic trip unit provides adjustable long-time overload and instantaneous short-circuit protection, with settings made through accessible DIP switches. Combined with the breaker’s 1250 A current rating, four-pole configuration and 66 kA breaking capacity, the E2.2N provides dependable protection for critical low-voltage distribution applications.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical installations.
• Transformer and generator distribution applications.
• Incoming and outgoing switchgear feeders.
• High-current electrical systems requiring adjustable electronic overload and short-circuit protection.