1SDA056704R1 ABB SACE Emax E3V 3200 A 3-Pole Withdrawable Circuit Breaker

Why Choose the ABB 1SDA056704R1 SACE Emax E3V 3200 A Circuit Breaker?

The ABB 1SDA056704R1 is a high-performance SACE Emax E3V air circuit breaker moving part designed for reliable protection and switching in high-current low-voltage electrical distribution systems. Its extended product designation is E3V3200PR121/P-LIIn=3200A3pWMP, combining a 3200 A rated current, three-pole withdrawable construction and ABB's PR121/P-LI electronic overcurrent release.

As part of the ABB SACE Emax range, this E3V circuit breaker is engineered for demanding industrial, commercial and infrastructure power distribution applications. The PR121/P-LI R3200 electronic trip unit provides long-time overload and instantaneous short-circuit protection, helping safeguard busbars, conductors, switchgear and connected equipment against damaging overcurrent conditions.

The 1SDA056704R1 is the moving part of a three-pole withdrawable circuit breaker and has a rated uninterrupted current of 3200 A. The E3V 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 status monitoring within compatible low-voltage switchgear.

Key Advantages

• Heavy-duty ABB SACE Emax E3V air circuit breaker moving part for low-voltage power distribution.
• 3200 A rated uninterrupted current for demanding high-current installations.
• Three-pole withdrawable configuration supports convenient inspection, servicing and replacement.
• PR121/P-LI R3200 electronic overcurrent release provides 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.
• 85 kA short-time withstand current for 1 s supports demanding distribution applications.
• Four auxiliary contacts and open/closed position indication support switchboard monitoring and control.

Key Features

• ABB SACE Emax E3V series.
• 3200 A rated uninterrupted current.
• Three-pole circuit-breaker construction.
• Moving / withdrawable execution.
• PR121/P-LI R3200 electronic overcurrent release.
• Long-time overload and instantaneous short-circuit protection functions.
• 690 V AC rated voltage.
• 130 kA Icu at 400–415 V AC.
• 100 kA Ics at 400–415 V AC.
• 85 kA Icw for 1 s.
• 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 E3V 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 protect cables, busbars, switchgear and downstream electrical equipment.

The PR121/P-LI release fitted to the 1SDA056704R1 provides long-time overload and instantaneous short-circuit protection. Combined with its 3200 A current rating, three-pole withdrawable construction and high short-circuit performance, this E3V moving part is well suited to major distribution boards where high-current protection and convenient circuit-breaker maintenance 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.
• Withdrawable switchgear requiring convenient inspection and maintenance.
• OEM switchgear and panel-building applications.