1SDA056032R1 ABB E2S2000 PR121/P-LI 2000 A 3P Withdrawable Air Circuit Breaker Moving Part

Why Choose the ABB E2S2000 PR121/P-LI Air Circuit Breaker Moving Part?

The ABB E2S2000 PR121/P-LI, order code 1SDA056032R1, is a high-performance three-pole withdrawable air circuit breaker moving part designed for switching and protection in demanding low-voltage power distribution systems. As part of the ABB SACE Emax E2 series, it combines a rated current of 2000 A with the electronic PR121/P-LI R2000 overcurrent release.

The PR121/P-LI release provides long-time and instantaneous overcurrent protection, helping protect conductors, switchgear and connected equipment against sustained overloads and severe short-circuit conditions. Its electronic protection architecture provides dependable fault response for industrial, commercial and infrastructure distribution networks.

This version is supplied as the moving part of a withdrawable E2S2000 circuit breaker and is intended for use with the appropriate ABB SACE Emax fixed part. Its three-pole construction, 2000 A current rating, rated operational voltage of 690 V AC and high short-circuit performance make it suitable for critical high-current switchboard applications.

Key Advantages

• High-performance ABB SACE Emax E2S air circuit breaker moving part.
• 2000 A rated uninterrupted current for high-current distribution systems.
• Three-pole configuration for three-phase low-voltage networks.
• PR121/P-LI R2000 electronic overcurrent release.
• Long-time and instantaneous protection against overload and short-circuit conditions.
• Withdrawable construction supports convenient isolation, servicing and maintenance.
• 85 kA ultimate short-circuit breaking capacity at 400/415 V AC.
• Four auxiliary contacts support circuit-breaker status signalling and control integration.

Key Features

• ABB SACE Emax E2S series.
• 2000 A rated current.
• Three-pole withdrawable moving part.
• PR121/P-LI R2000 electronic overcurrent release.
• LI protection functions: Long-time and Instantaneous.
• 690 V AC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• 85 kA Icu and Ics at 400/415 V AC.
• 65 kA Icu and Ics at 690 V AC.
• Four auxiliary contacts.
• Open/closed circuit-breaker position indication.

Reliable LI Protection for High-Current Distribution

Air circuit breakers such as the ABB SACE Emax E2S2000 provide switching, isolation and fault protection for high-current low-voltage distribution systems. The E2S performance level provides substantial short-circuit interruption capability, making this breaker suitable for main switchboards and industrial installations where high prospective fault currents can occur.

The PR121/P-LI electronic release provides long-time protection against sustained overloads together with instantaneous protection against severe short circuits. Combined with withdrawable construction, auxiliary signalling contacts and circuit-breaker position indication, the E2S2000 moving part provides dependable electrical protection together with practical serviceability in suitable ABB Emax switchgear.

Typical Applications

• Main low-voltage electrical distribution switchboards.
• Industrial power distribution systems.
• Manufacturing and process plant switchgear.
• Commercial and infrastructure electrical distribution.
• Transformer secondary distribution systems.
• Generator and standby power installations.
• High-current incoming and feeder protection.
• Withdrawable switchgear requiring LI overcurrent protection.