1SDA056080R1 ABB E2L1600 PR121/P-LI 1600 A 3-Pole Fixed Air Circuit Breaker

Why Choose the ABB E2L1600 PR121/P-LI 1SDA056080R1 Air Circuit Breaker?

The ABB 1SDA056080R1 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 three-pole fixed circuit breaker has a rated uninterrupted current of 1600 A and incorporates the PR121/P-LI electronic overcurrent release.

The PR121/P-LI trip unit provides long-time overload and instantaneous short-circuit protection, helping safeguard electrical installations, conductors and connected equipment against damaging overcurrents. The E2L performance class provides particularly high short-circuit interruption capability, including an ultimate short-circuit breaking capacity of 130 kA at 220–415 V AC.

With a rated operational voltage of up to 690 V AC, three-pole configuration and fixed construction with rear flat horizontal terminals, the E2L1600 is well suited to high-current switchboards and main distribution panels. Its combination of a 1600 A current rating, electronic LI protection and high fault-interruption performance makes it suitable for demanding industrial, commercial and infrastructure power distribution applications.

Key Advantages

• Heavy-duty ABB SACE Emax air circuit breaker for demanding low-voltage power distribution.
• 1600 A rated uninterrupted current for high-current electrical systems.
• PR121/P-LI electronic release provides long-time overload and instantaneous short-circuit protection.
• 130 kA Icu/Ics at 220–415 V AC for high-fault-level installations.
• 110 kA Icu/Ics at 440 V AC.
• Rated operational voltage of up to 690 V AC.
• Three-pole fixed construction for three-phase power distribution.
• Rear flat horizontal terminals provide a practical switchboard connection arrangement.

Key Features

• ABB SACE Emax E2L1600 air circuit breaker.
• 1600 A rated uninterrupted current.
• Three-pole configuration.
• PR121/P-LI electronic overcurrent release.
• L protection: long-time overload protection.
• I protection: instantaneous short-circuit protection.
• 130 kA Icu/Ics at 220–415 V AC.
• 110 kA Icu/Ics at 440 V AC.
• 85 kA Icu at 500–690 V AC.
• 1000 V rated insulation voltage and 12 kV impulse withstand voltage.
• Fixed F version with rear flat horizontal terminals.
• Designed and rated in accordance with IEC requirements.

High-Performance 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, providing an ultimate breaking capacity of up to 130 kA at common low-voltage distribution voltages and helping protect switchboards, conductors, transformers and connected electrical equipment.

The PR121/P-LI electronic release combines long-time overload protection with instantaneous short-circuit protection. Together with the fixed three-pole E2L1600 platform and rear flat horizontal terminal arrangement, these functions make the 1SDA056080R1 well suited to main distribution and feeder applications requiring high current capacity, substantial fault-interruption performance and dependable electronic protection.

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 and installation protection.
• High-fault-level three-phase distribution circuits.