1SDA055712R1 ABB E1N 800PR 121/P-LIIn = 800A 3p WMP

The ABB 1SDA055712R1 E1N 800 PR121/P-LI is a high-performance moving part designed for the SACE Emax series of circuit breakers. This component is specifically engineered to deliver reliable operation and advanced protection for medium-voltage electrical systems. Here’s a detailed overview of its key features and specifications:

Key Specifications:

• Model: ABB 1SDA055712R1 E1N 800 PR121/P-LI
• Rated Current (In): 800A
• Poles: 3-pole configuration, enabling effective management of three-phase electrical systems.
• Protection Unit: PR121/P-LI, which includes:
• Auxiliary Contacts: Fitted with 4 auxiliary contacts for enhanced monitoring and operational capabilities.
• Breaker Position Indication: Displays the Open/Closed status, providing clear visibility of the circuit breaker’s operational state.

Features:

• Overcurrent Release: The PR121/P-LI protection unit offers customizable settings to safeguard against overloads and short circuits, ensuring the protection of electrical circuits.
• Robust Construction: Built to withstand demanding industrial environments, ensuring longevity and durability.
• Operational Safety: The Open/Closed position indicator helps in safe operation and maintenance of the electrical system.

Applications:

The ABB 1SDA055712R1 is suitable for various industrial and commercial applications where medium-voltage circuit breakers are used. It provides essential protection for electrical circuits, making it a critical component in electrical distribution systems.

Additional Information:

• Compatibility: Designed specifically for the ABB SACE Emax series, it is ideal for both new installations and retrofitting in existing systems.
• Performance Assurance: Guarantees reliable circuit protection and enhances the overall safety of electrical systems.