1SDA056720R1 ABB SACE Emax E3L 2000 A 3-Pole Fixed Air Circuit Breaker

Why Choose the ABB 1SDA056720R1 SACE Emax E3L 2000 A Circuit Breaker?

The ABB 1SDA056720R1 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 extended product designation is E3L2000PR121/P-LIIn=2000A3pFHR, combining a 2000 A rated current, three-pole fixed construction, rear horizontal terminals and ABB's PR121/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 PR121/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 conditions.

The 1SDA056720R1 features a three-pole fixed configuration with rear horizontal terminals, a rated operational current of 2000 A and a rated operational voltage of 690 V AC. The E3L performance level provides an ultimate short-circuit breaking capacity of 130 kA at 400–415 V AC, while four auxiliary contacts and open/closed position indication support monitoring and integration within low-voltage switchboards.

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.
• Three-pole fixed configuration for permanent switchboard installation.
• PR121/P-LI R2000 electronic overcurrent release for dependable circuit protection.
• LI protection provides long-time overload and instantaneous short-circuit protection.
• 130 kA ultimate short-circuit breaking capacity at 400–415 V AC.
• Rear horizontal terminals support practical integration into compatible switchboard arrangements.
• Four auxiliary contacts and open/closed position indication support circuit-breaker status monitoring.

Key Features

• ABB SACE Emax E3L series.
• 2000 A rated uninterrupted current.
• Three-pole circuit-breaker construction.
• Fixed installation execution.
• Rear horizontal terminals.
• PR121/P-LI R2000 electronic overcurrent release.
• Long-time overload and instantaneous short-circuit protection functions.
• 690 V AC rated operational voltage.
• 130 kA Icu at 400–415 V AC.
• 130 kA Ics at 400–415 V AC.
• Four auxiliary contacts fitted.
• Circuit-breaker open/closed position indication.

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 trip unit monitors current conditions and initiates tripping when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and downstream electrical equipment.

The PR121/P-LI release fitted to the 1SDA056720R1 provides long-time overload and instantaneous short-circuit protection. Combined with its 2000 A current rating, three-pole fixed construction and high short-circuit breaking performance, this E3L circuit breaker is well suited to major distribution boards where dependable high-current protection and permanent switchboard installation are 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.
• High-fault-level electrical distribution installations.
• OEM switchgear and panel-building applications.