1SDA056989R1 ABB E6H 5000 PR122/P-LSIG 5000A 4-Pole Fixed Air Circuit Breaker

Why Choose the ABB E6H 5000 PR122/P-LSIG 5000A 4-Pole Fixed Air Circuit Breaker?

The ABB E6H 5000 PR122/P-LSIG, order code 1SDA056989R1, is a high-capacity SACE Emax air circuit breaker designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the ABB SACE Emax E6H series, this configuration combines a 5000 A rated current, four-pole construction and fixed execution with ABB's PR122/P electronic protection technology.

The breaker is equipped with a PR122/P-LSIG electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection functions. This comprehensive protection package enables the breaker to respond to overloads, short circuits and earth faults while supporting selective coordination within complex industrial power distribution networks.

With a rated current of 5000 A, four-pole configuration and fixed construction with rear horizontal terminals, the E6H 5000 PR122/P-LSIG is engineered for high-current main distribution applications. Its E6H performance class provides robust short-circuit capability for major switchboards, industrial facilities, infrastructure and other critical low-voltage installations.

Key Advantages

• High-capacity 5000 A SACE Emax air circuit breaker for major low-voltage distribution systems.
• Four-pole construction suitable for comprehensive switching and protection requirements.
• PR122/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and earth-fault protection.
• Fixed execution with rear horizontal terminals for permanent switchboard installation.
• E6H high-breaking-capacity performance class for demanding high-fault-level installations.
• Supplied with four auxiliary contacts and circuit-breaker open/closed position indication.

Key Features

• ABB SACE Emax E6H series.
• 5000 A rated current.
• Four-pole configuration.
• Fixed circuit-breaker execution.
• Rear horizontal terminals.
• PR122/P electronic overcurrent release.
• LSIG protection functions: long-time, short-time, instantaneous and earth-fault protection.
• R5000 release rating.
• Four auxiliary contacts for circuit-breaker position signalling.
• Designed for high-current low-voltage power distribution and switchgear applications.

Reliable LSIG Protection for High-Current Power Distribution

Air circuit breakers such as the ABB SACE Emax E6H provide switching, isolation and protection for major low-voltage distribution circuits. The E6 frame is designed for very high current applications, while the fixed construction and rear horizontal terminals allow integration into compatible main switchboards and power distribution assemblies.

The PR122/P-LSIG electronic release provides long-time protection against sustained overloads, short-time protection for selective coordination, instantaneous protection against severe short circuits and earth-fault protection for faults involving current flowing to earth. This combination makes the E6H 5000 particularly suitable for critical high-current installations requiring comprehensive electronic circuit protection.

Typical Applications

• Main low-voltage electrical distribution switchboards.
• Industrial manufacturing and process plants.
• High-current incomer and feeder protection.
• Power generation and infrastructure installations.
• Commercial and industrial main distribution systems.
• Critical circuits requiring electronic LSIG protection.