1SDA056640R1 ABB E3V2000 PR121/P-LI 2000 A 3-Pole Withdrawable Air Circuit Breaker

Why Choose the ABB 1SDA056640R1 E3V 2000 A Air Circuit Breaker?

The ABB 1SDA056640R1 is a high-performance SACE Emax E3V air circuit breaker (ACB) moving part designed for switching and protection in demanding low-voltage electrical distribution systems. Identified as E3V2000 PR121/P-LI In=2000A 3P W MP, this three-pole withdrawable circuit breaker moving part combines a 2000 A rated uninterrupted current with the ABB PR121/P-LI electronic overcurrent release.

As part of the ABB SACE Emax / New Emax range, the E3V2000 is engineered for industrial, commercial and infrastructure power distribution applications requiring high fault-current interruption capability. The PR121/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection, helping safeguard cables, busbars, transformers and connected equipment against damaging overcurrent conditions.

This version features a three-pole withdrawable moving-part construction for use with the corresponding ABB SACE Emax fixed part. Rated for operation up to 690 V AC, with an ultimate short-circuit breaking capacity of 130 kA at 400–415 V AC and a rated short-time withstand current of 85 kA for 1 s, it is well suited to high-fault-level distribution systems requiring powerful circuit protection and convenient breaker servicing.

Key Advantages

• High-performance 2000 A air circuit breaker moving part for demanding low-voltage power distribution.
• PR121/P-LI electronic overcurrent release provides overload and instantaneous short-circuit protection.
• Three-pole configuration for three-phase electrical distribution systems.
• Withdrawable moving-part design facilitates breaker isolation, servicing and replacement.
• 130 kA ultimate short-circuit breaking capacity at 400–415 V AC.
• 100 kA service short-circuit breaking capacity at 400–415 V AC.
• 85 kA rated short-time withstand current for 1 s.
• Four auxiliary contacts support circuit breaker signalling and control integration.

Key Features

• ABB SACE Emax E3V frame.
• 2000 A rated uninterrupted current.
• PR121/P-LI electronic trip unit.
• R2000 overcurrent release rating.
• Long-time and instantaneous (LI) protection.
• Three-pole configuration.
• Withdrawable moving-part design.
• 690 V AC rated operational voltage.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• Four auxiliary contacts.
• Open/closed circuit breaker position indication.

Reliable Circuit Protection for Power Distribution

Air circuit breakers such as the ABB E3V2000 provide switching and automatic protection for high-current low-voltage electrical distribution systems. The PR121/P electronic overcurrent release monitors circuit conditions and provides protection functions that help safeguard cables, busbars, transformers and downstream electrical equipment against damaging overload and short-circuit conditions.

The LI configuration combines long-time overload protection with instantaneous short-circuit protection. Together with the three-pole withdrawable construction and high breaking performance of the E3V frame, this makes the 1SDA056640R1 suitable for installations requiring robust overcurrent protection combined with convenient breaker isolation, inspection and replacement.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Main incomer and high-current feeder protection.
• Three-phase power distribution circuits.
• Manufacturing and process plants.
• Commercial and infrastructure electrical systems.
• Transformer secondary distribution circuits.
• High-fault-level electrical installations.
• Switchboards requiring withdrawable air circuit breakers.
• Distribution systems requiring electronic overload and instantaneous short-circuit protection.