1SDA056731R1 ABB SACE Emax E3L 2000 A 4-Pole Fixed Air Circuit Breaker

Why Choose the ABB 1SDA056731R1 SACE Emax E3L 2000 A Circuit Breaker?

The ABB 1SDA056731R1 is a high-performance SACE Emax E3L air circuit breaker designed for reliable switching and protection of high-current low-voltage electrical distribution systems. Its product designation is E3L2000PR122/P-LIIn=2000A4pFH, combining a 2000 A rated current, four-pole fixed construction, rear horizontal terminals and ABB's advanced PR122/P-LI electronic overcurrent release.

As part of the ABB SACE Emax range, this E3L circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The PR122/P-LI R2000 electronic trip unit provides long-time overload and instantaneous short-circuit protection, helping safeguard busbars, cables, switchgear and connected equipment against damaging overcurrent and short-circuit conditions.

The 1SDA056731R1 features a four-pole fixed configuration with rear horizontal terminals, a rated uninterrupted current of 2000 A and a rated voltage of 690 V AC. Its E3L performance level provides a rated ultimate short-circuit breaking capacity of 130 kA at 400 V AC, making it suitable for demanding high-fault-level distribution systems.

Key Advantages

• Heavy-duty ABB SACE Emax E3L air circuit breaker for low-voltage power distribution.
• 2000 A rated current for demanding high-current electrical installations.
• Four-pole fixed configuration suitable for systems requiring four-pole switching.
• Advanced PR122/P-LI R2000 electronic overcurrent release.
• LI functionality provides long-time overload and instantaneous short-circuit protection.
• 130 kA ultimate short-circuit breaking capacity at 400 V AC.
• Rear horizontal terminals support integration into compatible switchboard arrangements.
• Four auxiliary change-over contacts provide useful circuit-breaker status signalling.

Key Features

• ABB SACE Emax E3L series.
• 2000 A rated uninterrupted current.
• Four-pole circuit-breaker construction.
• Fixed installation execution.
• Rear horizontal terminals.
• PR122/P-LI R2000 electronic overcurrent release.
• Long-time overload and instantaneous short-circuit protection functions.
• 690 V AC rated voltage.
• 130 kA Icu at 400 V AC.
• Adjustable overload protection from 800–2000 A.
• Adjustable instantaneous short-circuit release from 3000–30000 A.
• Four auxiliary change-over contacts.
• Circuit-breaker open/closed position indication.
• Optional motor operating mechanism capability.

Reliable High-Current Protection for Power Distribution

Air circuit breakers such as the ABB SACE Emax E3L protect major low-voltage distribution circuits while providing dependable switching and isolation. The electronic protection release monitors current conditions and initiates tripping when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and downstream electrical equipment.

The PR122/P-LI release fitted to the 1SDA056731R1 provides long-time overload and instantaneous short-circuit protection with adjustable protection settings. Combined with its 2000 A current rating, four-pole fixed construction and 130 kA breaking capacity at 400 V AC, this E3L circuit breaker is well suited to major distribution boards where dependable high-current circuit protection is required.

Typical Applications

• Main low-voltage electrical distribution boards.
• Industrial power distribution systems.
• High-current incoming supplies and feeders.
• Commercial and infrastructure switchboards.
• Factory and manufacturing electrical installations.
• Transformer secondary distribution systems.
• Generator and standby power distribution systems.
• Four-pole electrical distribution installations.
• High-fault-level low-voltage switchgear.
• OEM switchgear and panel-building applications.