1SDA056703R1 ABB SACE Emax E3V 3200 A 4-Pole Fixed Air Circuit Breaker

Why Choose the ABB 1SDA056703R1 SACE Emax E3V 3200 A Circuit Breaker?

The ABB 1SDA056703R1 is a high-performance SACE Emax E3V air circuit breaker designed for reliable protection and switching of high-current low-voltage electrical distribution systems. Its extended product designation is E3V3200PR123/P-LSIGIn=3200A4pFHR, combining a 3200 A rated current, four-pole fixed construction, rear horizontal terminals and ABB's advanced PR123/P-LSIG 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 PR123/P-LSIG R3200 trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, helping protect electrical installations, busbars, conductors and connected equipment against overloads, short circuits and earth faults.

The 1SDA056703R1 features a four-pole fixed configuration with rear horizontal terminals and a rated operational voltage of up to 690 V AC. Its E3V platform provides a rated ultimate short-circuit breaking capacity of 130 kA at 400 V AC, making it suitable for high-fault-level distribution systems where robust switching and comprehensive electronic protection are required.

Key Advantages

• Heavy-duty ABB SACE Emax E3V air circuit breaker for low-voltage power distribution.
• 3200 A rated current for demanding high-current installations.
• Four-pole fixed configuration suitable for systems requiring neutral switching and protection.
• Advanced PR123/P-LSIG R3200 electronic overcurrent release.
• LSIG functionality provides long-time, short-time, instantaneous and ground-fault protection.
• 130 kA ultimate short-circuit breaking capacity at 400 V AC.
• Rear horizontal terminals for integration into compatible switchboard arrangements.
• Four auxiliary change-over contacts provide useful circuit-breaker status signalling.

Key Features

• ABB SACE Emax E3V series.
• 3200 A rated current.
• Four-pole circuit-breaker construction.
• Fixed installation execution.
• Rear horizontal terminals.
• PR123/P-LSIG R3200 electronic overcurrent release.
• Long-time, short-time, instantaneous and ground-fault protection functions.
• 130 kA Icu at 400 V AC.
• Four auxiliary change-over contacts.
• Open/closed circuit-breaker position indication.
• Optional motor operating mechanism capability.
• Designed for high-current AC electrical distribution applications.

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

The PR123/P-LSIG release fitted to the 1SDA056703R1 provides comprehensive LSIG protection for overload, short-time short-circuit, instantaneous short-circuit and ground-fault conditions. Combined with its 3200 A current rating, four-pole construction and high short-circuit breaking capability, this breaker is well suited to major distribution boards where dependable fault interruption and advanced protection are essential.

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 installations requiring neutral switching and protection.
• OEM switchgear and panel-building applications.