1SDA072041R1 ABB E1.2N 250 Ekip Dip LI 3p WMP Air Circuit Breaker

Why Choose the ABB E1.2N 250 Ekip Dip LI 3p WMP Air Circuit Breaker?

The ABB E1.2N 250 Ekip Dip LI 3p WMP, order code 1SDA072041R1, 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 250 A, three-pole construction and an Ekip Dip LI electronic trip unit, it provides dependable overload and short-circuit protection for industrial, commercial and infrastructure electrical installations.

This E1.2N breaker incorporates the Ekip Dip LI solid-state electronic trip unit, providing adjustable long-time overload and instantaneous short-circuit protection. Protection settings are configured using DIP switches, providing straightforward adjustment for applications requiring reliable electronic protection without short-time delayed or integrated earth-fault functions.

The 1SDA072041R1 is the withdrawable moving part (WMP) of the Emax 2 circuit breaker system and is designed for use with the corresponding fixed part. It has a rated operational voltage of 690 V AC and provides a rated ultimate short-circuit breaking capacity of 66 kA at 400–440 V AC, making it suitable for compact low-voltage switchboards where maintainability, isolation and dependable fault protection are important.

Key Advantages

• Compact 250 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 adjustable overload and instantaneous short-circuit protection.
• 66 kA ultimate short-circuit breaking capacity at 400–440 V AC.
• Withdrawable moving-part design simplifies isolation, inspection and maintenance.
• Rated operational voltage of 690 V AC for a wide range of low-voltage distribution applications.

Key Features

• ABB SACE Emax 2 E1.2N series.
• 250 A rated uninterrupted current.
• Three-pole construction.
• Ekip Dip LI solid-state electronic release.
• Adjustable long-time overload protection.
• Adjustable instantaneous short-circuit protection.
• 100–250 A overload protection adjustment range.
• 375–3750 A instantaneous protection adjustment range.
• 66 kA Icu at 400–440 V AC.
• Rated operational voltage of 690 V AC.
• Withdrawable moving part for use with the corresponding Emax 2 fixed part.
• Fitted with four auxiliary changeover contacts and circuit breaker open/closed position indication.

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 high breaking performance with a withdrawable architecture, allowing the breaker moving part to be isolated and removed from its corresponding fixed part for maintenance or replacement.

The Ekip Dip LI electronic trip unit provides adjustable long-time overload protection and instantaneous short-circuit protection. Its DIP-switch configuration provides straightforward adjustment of protection thresholds, while the Emax 2 platform supports dependable integration into modern low-voltage switchboards and power distribution systems.

Typical Applications

• Low-voltage power distribution switchboards.
• Industrial electrical distribution systems.
• Commercial building power distribution.
• Manufacturing and process equipment.
• Incoming and feeder circuit protection.
• Withdrawable switchgear requiring straightforward maintenance and isolation.