1SDA056043R1 ABB E2S2000 PR122/P-LI 2000A 4P Withdrawable Air Circuit Breaker

Why Choose the ABB E2S2000 PR122/P-LI 2000A 4P Withdrawable Air Circuit Breaker?

The ABB E2S2000 PR122/P-LI, order code 1SDA056043R1, is a high-performance SACE Emax air circuit breaker moving part designed for protection and switching in demanding low-voltage power distribution systems. As part of the ABB SACE Emax E2S series, this four-pole withdrawable circuit breaker is rated at 2000 A and incorporates the advanced PR122/P-LI R2000 electronic overcurrent release.

The PR122/P-LI trip unit provides long-time overload (L) and instantaneous short-circuit (I) protection, helping protect electrical distribution circuits against sustained overcurrents and severe short-circuit faults. The PR122/P electronic release provides a sophisticated protection platform for high-current industrial and commercial distribution systems while this LI configuration focuses on essential overload and instantaneous fault protection.

This E2S2000 configuration is a four-pole withdrawable moving part for compatible SACE Emax switchgear. It has a rated uninterrupted current of 2000 A, a rated voltage of 690 V AC and a rated ultimate short-circuit breaking capacity of 85 kA at 400 V AC, making it suitable for substantial low-voltage distribution installations where maintainability and high fault-handling capability are required.

Key Advantages

• High-capacity 2000 A SACE Emax air circuit breaker moving part.
• Advanced PR122/P electronic overcurrent release for dependable circuit protection.
• LI protection provides long-time overload and instantaneous short-circuit protection.
• Four-pole configuration suitable for three-phase distribution systems incorporating a neutral conductor.
• Withdrawable execution supports inspection, servicing and replacement in compatible switchboards.
• High short-circuit breaking capacity of 85 kA at 400 V AC.

Key Features

• ABB SACE Emax E2S 2000 air circuit breaker moving part.
• 2000 A rated uninterrupted current.
• Four-pole configuration.
• PR122/P-LI R2000 electronic overcurrent release.
• Long-time overload protection (L).
• Instantaneous short-circuit protection (I).
• Withdrawable / moving-part execution.
• 690 V AC rated voltage.
• 85 kA ultimate short-circuit breaking capacity at 400 V AC.
• Fitted with four auxiliary contacts and circuit breaker open/closed position indication.

Advanced Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax E2S2000 provide switching and protection for high-current low-voltage distribution circuits. The electronic overcurrent release monitors current conditions and initiates breaker operation when configured protection thresholds are exceeded, helping protect cables, busbars, switchgear and connected electrical equipment.

The PR122/P-LI release combines long-time overload and instantaneous short-circuit protection in an electronic trip unit. Together with the E2S frame's high breaking capacity and four-pole withdrawable construction, this configuration provides dependable protection for main distribution and feeder circuits while facilitating maintenance within compatible switchboard assemblies.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Manufacturing and process plant switchgear.
• Commercial building electrical distribution.
• Infrastructure and utility installations.
• Main incomer and high-current feeder protection.
• Four-pole three-phase distribution systems incorporating neutral switching.
• Switchboards requiring withdrawable circuit breaker assemblies.