1SDA056095R1 ABB E2L1600 PR123/P-LSIG 1600 A 4-Pole Fixed Air Circuit Breaker

Why Choose the ABB E2L1600 PR123/P-LSIG 1SDA056095R1 Air Circuit Breaker?

The ABB 1SDA056095R1 is a high-performance SACE Emax E2L1600 air circuit breaker designed for reliable switching and protection in demanding low-voltage electrical distribution systems. As part of the ABB New Emax product range, this four-pole fixed circuit breaker has a rated current of 1600 A and incorporates the advanced PR123/P-LSIG R1600 electronic overcurrent release.

The PR123/P-LSIG trip unit provides comprehensive long-time, short-time, instantaneous and earth-fault protection, helping safeguard electrical installations against overloads, short circuits and earth faults. Its LSIG protection functionality makes the E2L1600 particularly suitable for distribution systems where comprehensive electronic protection and selective coordination are required.

With its 1600 A rating, four-pole configuration and fixed construction with rear horizontal terminals, the E2L1600 is well suited to high-current switchboards and main distribution panels. The E2L performance class provides high short-circuit interruption capability, while four auxiliary contacts and open/closed position indication support integration with switchboard signalling and control systems.

Key Advantages

• Heavy-duty ABB SACE Emax air circuit breaker for demanding low-voltage power distribution.
• 1600 A rated current for high-current electrical systems.
• PR123/P-LSIG R1600 electronic release provides comprehensive overcurrent and earth-fault protection.
• LSIG functions provide long-time, short-time, instantaneous and earth-fault protection.
• Four-pole configuration suitable for four-pole distribution systems.
• E2L performance class designed for high short-circuit interruption capability.
• Fixed construction with rear horizontal terminals for permanent switchboard installation.
• Four auxiliary contacts and open/closed position indication support control and signalling applications.

Key Features

• ABB SACE Emax E2L1600 air circuit breaker.
• 1600 A rated current.
• Four-pole configuration.
• PR123/P-LSIG R1600 electronic overcurrent release.
• L protection: long-time overload protection.
• S protection: short-time short-circuit protection.
• I protection: instantaneous short-circuit protection.
• G protection: earth-fault protection.
• Fixed F version for switchboard installation.
• Rear horizontal terminals for main circuit connections.
• Fitted with four auxiliary contacts.
• Integrated circuit-breaker open/closed position indication.

Advanced Protection for Low-Voltage Distribution Systems

Air circuit breakers such as the ABB SACE Emax E2L1600 provide dependable switching and protection for high-current low-voltage distribution circuits. The E2L performance class is engineered for installations with demanding prospective fault levels, helping protect switchboards, conductors, transformers and connected electrical equipment against potentially damaging overcurrent and fault conditions.

The PR123/P-LSIG electronic release combines long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection. Together with the fixed four-pole E2L1600 platform and rear horizontal terminal arrangement, these functions make the 1SDA056095R1 particularly suitable for main distribution and feeder applications requiring comprehensive electronic protection, selective coordination and dependable operation.

Typical Applications

• Industrial low-voltage switchboards.
• Main electrical distribution panels.
• Incoming mains protection.
• High-current feeder protection.
• Manufacturing and process industry electrical systems.
• Commercial and infrastructure power distribution.
• Transformer secondary-side protection.
• High-current four-pole distribution circuits.