1SDA057003R1 ABB E6H5000PR122/P-LI 5000 A 4-Pole Withdrawable Air Circuit Breaker

Why Choose the ABB E6H5000PR122/P-LI 5000 A Air Circuit Breaker?

The ABB E6H5000PR122/P-LI, order code 1SDA057003R1, is a high-capacity SACE Emax E6 H air circuit breaker moving part designed for protection, switching and isolation in demanding low-voltage power distribution systems. Rated at 5000 A, this four-pole withdrawable unit combines the robust E6 H breaker platform with ABB's advanced PR122/P-LI electronic overcurrent release.

As part of the ABB SACE Emax range, the breaker is engineered for industrial switchboards, power distribution centres and infrastructure applications requiring dependable high-current protection. The PR122/P electronic trip unit provides LI protection functions covering long-time overload and instantaneous short-circuit protection, together with the advanced measurement and monitoring capabilities associated with the PR122/P platform.

This configuration is a four-pole withdrawable moving part with a rated current of 5000 A. It is supplied with the PR122/P-LI R5000 overcurrent release, four auxiliary contacts and open/closed breaker position indication, making it suitable for maintainable high-capacity switchgear installations.

Key Advantages

• High-capacity 5000 A SACE Emax air circuit breaker for demanding power distribution systems.
• E6 H high-performance breaker platform for industrial low-voltage installations.
• Advanced PR122/P-LI electronic overcurrent release for dependable circuit protection.
• LI protection functions provide long-time overload and instantaneous short-circuit protection.
• Four-pole withdrawable configuration supports maintainable high-current switchboard installations.
• Supplied with four auxiliary contacts and open/closed breaker position indication.
• Withdrawable construction facilitates inspection, maintenance and replacement within compatible Emax switchgear.
• Designed for major incoming, feeder and high-current distribution duties.

Key Features

• ABB SACE Emax E6 H series.
• 5000 A rated current.
• Four-pole configuration.
• Withdrawable moving part execution.
• PR122/P-LI R5000 electronic overcurrent release.
• Long-time overload protection (L).
• Instantaneous short-circuit protection (I).
• 690 V AC rated operational voltage.
• Four auxiliary contacts for breaker status signalling.
• Open/closed breaker position indication.
• 12,000-cycle mechanical durability.
• Designed for high-current low-voltage switchboards and power distribution systems.

Advanced Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax E6 are designed to protect high-current low-voltage distribution systems against overloads and short-circuit faults. The E6 frame provides the current-carrying capacity required for major incoming feeders, main distribution boards and critical electrical infrastructure where reliable switching and fault interruption are essential.

The PR122/P-LI electronic release provides long-time overload and instantaneous short-circuit protection while the withdrawable Emax construction supports efficient switchgear maintenance. This combination makes the E6H5000PR122/P-LI well suited to installations requiring high current capacity, advanced electronic protection and serviceable draw-out circuit breaker architecture.

Typical Applications

• Main incoming protection for high-current low-voltage switchboards.
• Industrial power distribution systems.
• Manufacturing and process plant electrical infrastructure.
• Power distribution centres and main switchboards.
• Transformer secondary and distribution applications.
• Commercial and infrastructure electrical installations.
• Critical power and large-scale electrical distribution networks.