1SDA055997R1 ABB E2S1600 PR122/P-LSIG 1600A 4P Fixed Air Circuit Breaker

Why Choose the ABB E2S1600 PR122/P-LSIG 1600A 4P Fixed Air Circuit Breaker?

The ABB 1SDA055997R1 is a high-performance SACE Emax E2S air circuit breaker (ACB) designed for protection and switching in low-voltage electrical distribution systems. Part of the ABB New Emax product group, this four-pole fixed circuit breaker combines a 1600 A rated current with the advanced PR122/P-LSIG electronic trip unit for comprehensive circuit protection.

The E2S1600 provides long-time, short-time, instantaneous and earth-fault protection through its LSIG trip functionality. This makes it suitable for demanding industrial and commercial distribution applications where reliable protection against overloads, short circuits and earth faults is essential.

With a 1600 A rated uninterrupted current, 690 V AC rated operational voltage and an ultimate short-circuit breaking capacity of 85 kA at 415 V AC, the E2S1600 delivers robust protection for high-current electrical installations. This version features a four-pole fixed configuration with horizontal rear terminals for integration into switchboards and power distribution assemblies.

Key Advantages

• High-performance ABB SACE Emax air circuit breaker for low-voltage distribution.
• 1600 A rated current for high-current electrical installations.
• Four-pole fixed configuration for three-phase systems with neutral switching.
• Advanced PR122/P-LSIG electronic trip unit.
• LSIG protection provides long-time, short-time, instantaneous and earth-fault protection.
• High 85 kA breaking capacity at 415 V AC.
• Horizontal rear terminals simplify connection within switchboard assemblies.
• Designed for dependable protection and switching in demanding industrial power systems.

Key Features

• ABB SACE Emax E2S1600 air circuit breaker.
• 1600 A rated uninterrupted current.
• Four-pole construction.
• Fixed circuit-breaker configuration.
• PR122/P-LSIG electronic overcurrent release.
• 690 V AC rated operational voltage.
• 85 kA Icu at 415 V AC.
• 65 kA Icw for 1 s.
• 1000 V rated insulation voltage.
• 12 kV rated impulse withstand voltage.
• Horizontal rear terminal arrangement.
• Four auxiliary contacts with open/closed position indication.

Reliable Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB Emax E2S1600 protect high-current low-voltage distribution systems against abnormal electrical conditions while also providing dependable switching and isolation. Their high breaking capacity makes them particularly suitable for main incomers, feeders and other critical points within industrial and commercial switchboards.

The PR122/P-LSIG electronic trip unit provides adjustable protection functions for overload, short-time overcurrent, instantaneous short circuit and earth fault conditions. This combination enables the circuit breaker to provide comprehensive protection while supporting effective coordination and selectivity within complex electrical distribution networks.

Typical Applications

• Main incoming circuit breakers in low-voltage switchboards.
• Industrial power distribution systems.
• Commercial and infrastructure electrical installations.
• Manufacturing and process plants.
• Generator and transformer distribution systems.
• High-current feeder protection.
• Power distribution and switchgear assemblies.
• Critical electrical infrastructure requiring selective circuit protection.