1SDA061075R1 ABB E2H-A 800 PR121/P-LI 800 A 3-Pole Fixed Air Circuit Breaker

Why Choose the ABB E2H-A 800 PR121/P-LI 1SDA061075R1 Air Circuit Breaker?

The ABB 1SDA061075R1 is a high-performance E2H-A 800 A three-pole fixed air circuit breaker from the ABB SACE Emax range, designed for dependable protection and switching in demanding low-voltage electrical distribution systems. Equipped with the PR121/P-LI electronic overcurrent release, it provides long-time and instantaneous protection for industrial and commercial power distribution applications.

As part of the ABB New Emax product family, the E2H-A combines robust circuit-breaking performance with electronic protection for installations requiring reliable management of overload and short-circuit conditions. The H performance class is intended for applications with demanding fault-current requirements, while the fixed construction provides straightforward integration into compatible low-voltage switchboards.

With a rated current of 800 A and a three-pole fixed configuration, the E2H-A 800 is suitable for high-current three-phase distribution systems. The PR121/P-LI trip unit provides essential electronic protection while the E2 frame offers a robust platform for main distribution, industrial switchgear and other critical low-voltage applications.

Key Advantages

• High-performance ABB SACE Emax air circuit breaker for low-voltage power distribution.
• 800 A rated current for demanding industrial and commercial installations.
• PR121/P-LI electronic trip unit for dependable overcurrent protection.
• Long-time and instantaneous protection against overload and short-circuit conditions.
• Three-pole fixed construction for integration into three-phase switchboards.
• E2H-A configuration designed for applications requiring high circuit-breaking performance.

Key Features

• ABB SACE Emax E2H-A series.
• 800 A rated current.
• Three-pole construction.
• PR121/P electronic overcurrent release.
• LI protection functions: long-time and instantaneous.
• Fixed (F) execution.
• E2 frame with H high-performance breaking class.
• Electronic protection for overload and short-circuit conditions.
• Designed for low-voltage switchboards and power distribution assemblies.

High-Performance Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB E2H-A protect low-voltage electrical networks against damaging overcurrent and short-circuit conditions while providing switching and isolation within the distribution system. They are commonly installed in main switchboards and high-current distribution assemblies where dependable protection and circuit-breaking performance are essential.

The PR121/P-LI electronic release provides long-time protection against sustained overloads together with instantaneous protection against severe short circuits. Combined with the high-performance E2H-A breaker platform, these functions provide reliable protection for industrial plants, commercial infrastructure and other demanding low-voltage electrical distribution systems.

Typical Applications

• Low-voltage main distribution switchboards.
• Industrial power distribution systems.
• Commercial building electrical distribution.
• Manufacturing and process plant switchgear.
• Power distribution and control assemblies.
• Fixed switchboard installations requiring 800 A three-pole circuit protection.