1SDA056739R1 ABB E3L2000PR122/P-LI 2000A 3-Pole Air Circuit Breaker Moving Part

Why Choose the ABB E3L2000PR122/P-LI 2000A Air Circuit Breaker?

The ABB E3L2000PR122/P-LI, order code 1SDA056739R1, is a high-performance 2000 A three-pole air circuit breaker moving part designed for reliable protection and switching in demanding low-voltage electrical distribution systems. As part of the proven ABB SACE Emax E3 series, this withdrawable breaker configuration combines the E3L breaking-performance class with the advanced PR122/P electronic protection release.

The breaker is equipped with an ABB PR122/P-LI electronic overcurrent release, providing long-time overload and instantaneous short-circuit protection. This combination provides dependable circuit protection while allowing the breaker to be incorporated into industrial switchboards, power distribution assemblies and other installations where high current capacity and high short-circuit performance are required.

With a rated current of 2000 A, a three-pole configuration and a withdrawable moving-part design, the E3L2000PR122/P-LI is engineered for installations where maintainability and service continuity are important. The E3L version provides an ultimate short-circuit breaking capacity of up to 130 kA at 400 V AC, while the moving part is supplied with four auxiliary contacts for breaker open/closed status indication.

Key Advantages

• High-capacity 2000 A air circuit breaker moving part for low-voltage power distribution.
• Three-pole withdrawable configuration supports convenient inspection, maintenance and replacement.
• Advanced PR122/P-LI electronic protection release for overload and instantaneous short-circuit protection.
• High 130 kA ultimate short-circuit breaking capacity at 400 V AC.
• Supplied with four auxiliary contacts for breaker open/closed position signalling.
• Part of the established ABB SACE Emax air circuit breaker platform.

Key Features

• ABB SACE Emax E3L air circuit breaker platform.
• 2000 A rated current.
• Three-pole construction.
• Withdrawable moving part (W MP) configuration.
• PR122/P-LI electronic overcurrent release.
• Long-time overload and instantaneous short-circuit protection functions.
• 130 kA Icu at 400 V AC, 50 Hz.
• Four auxiliary contacts, comprising two NO and two NC contacts.
• Breaker open/closed position indication.
• Optional motor operating mechanism compatibility.

Reliable Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax E3 are designed to protect low-voltage electrical networks against damaging overcurrents while providing reliable switching and isolation of high-current circuits. Their robust construction and electronic protection releases make them particularly suitable for main incomers, feeders and other critical circuits in industrial and commercial distribution systems.

The PR122/P release provides electronic monitoring of current and executes the required protection functions when abnormal operating conditions occur. In this LI configuration, long-time protection guards against sustained overloads while instantaneous protection provides rapid intervention during severe short-circuit conditions.

Typical Applications

• Main low-voltage switchboards and distribution boards.
• Industrial power distribution systems.
• Transformer secondary protection and main incomers.
• High-current feeder circuits.
• Manufacturing and process plant electrical systems.
• Commercial and infrastructure power distribution.