1SDA072071R1 ABB E1.2N 630 Ekip Dip LI 3p WMP Air Circuit Breaker

Why Choose the ABB E1.2N 630 Ekip Dip LI 3p WMP Air Circuit Breaker?

The ABB E1.2N 630 Ekip Dip LI 3p WMP, order code 1SDA072071R1, is a compact air circuit breaker (ACB) moving part from the ABB SACE Emax 2 series, designed for protection and switching in low-voltage power distribution systems. With a rated uninterrupted current of 630 A, three-pole construction and ABB's Ekip Dip electronic trip technology, it provides dependable circuit protection for industrial, commercial and infrastructure electrical installations.

The Ekip Dip LI solid-state electronic trip unit provides long-time overload and instantaneous short-circuit protection. Its straightforward DIP-switch-based adjustment makes it well suited to applications requiring reliable electronic overcurrent protection without the additional short-time or earth-fault functions associated with LSI and LSIG releases.

The 1SDA072071R1 is the withdrawable moving part (WMP) of the Emax 2 E1.2 circuit breaker system and is designed for use with the corresponding fixed part. The E1.2N performance level provides a rated ultimate short-circuit breaking capacity of 66 kA and a rated short-time withstand current of 50 kA, combining compact construction with strong fault-clearing performance and convenient maintainability.

Key Advantages

• Compact 630 A Emax 2 air circuit breaker moving part for low-voltage distribution systems.
• Three-pole construction for three-phase AC electrical networks.
• Ekip Dip LI electronic trip unit provides dependable overload and instantaneous short-circuit protection.
• 66 kA ultimate short-circuit breaking capacity for robust fault protection.
• 50 kA short-time withstand capability supports demanding low-voltage distribution applications.
• Withdrawable moving-part design facilitates isolation, inspection and maintenance when used with the corresponding fixed part.

Key Features

• ABB SACE Emax 2 E1.2N series.
• 630 A rated uninterrupted current.
• Three-pole construction.
• Ekip Dip LI solid-state electronic release.
• Long-time overload protection.
• Instantaneous short-circuit protection.
• DIP-switch-based protection adjustment.
• 66 kA ultimate short-circuit breaking capacity.
• 50 kA short-time withstand current.
• Withdrawable moving part for integration with the corresponding Emax 2 fixed part.
• Compact E1.2 frame for space-efficient low-voltage switchgear.

Reliable Electronic Protection for Low-Voltage Distribution

Air circuit breakers such as the ABB SACE Emax 2 E1.2N provide switching, isolation and protection for low-voltage electrical distribution circuits. The compact E1.2 frame combines strong short-circuit performance with a withdrawable architecture, allowing the moving part to be disconnected from its corresponding fixed part for inspection, maintenance or replacement.

The Ekip Dip LI electronic trip unit combines adjustable long-time overload protection with instantaneous short-circuit protection. This protection arrangement provides a straightforward solution for feeders, incomers and other distribution circuits where dependable electronic overcurrent protection is required without short-time delayed or integrated earth-fault functionality.

Typical Applications

• Low-voltage power distribution switchboards.
• Industrial electrical distribution systems.
• Commercial building power distribution.
• Manufacturing and process installations.
• Incoming and feeder circuit protection.
• Three-phase distribution circuits requiring LI electronic protection.
• Withdrawable switchgear requiring convenient isolation and maintenance.