1SDA055952R1 ABB E2S 1250 PR121/P-LI In=1250A 3p F HR

The 1SDA055952R1 ABB E2S 1250 PR121/P-LI Circuit Breaker is part of ABB’s SACE Emax series, designed for industrial and commercial applications requiring high-current protection and reliable disconnection. This model includes advanced features for overcurrent protection and ease of integration. Here are the key details:

• Model: SACE Emax E2S 1250 PR121/P-LI
• Rated Current (In): 1250A, suited for high-power applications and demanding environments.
• Poles: Three-pole (3P), ideal for three-phase systems in industrial or commercial installations.
• Installation Type: Fixed-mounted with rear horizontal terminals, allowing straightforward installation in switchgear and ease of connection.
• Protection Unit: Equipped with the PR121/P-LI protection relay, providing:
  • Long-Time (L) and Instantaneous (I) overcurrent protection, safeguarding against prolonged overloads and sudden faults.
  • PR121/P-LI relay is designed for basic but reliable protection in systems where selective protection settings are essential.
• Auxiliary Contacts: Includes 4 auxiliary contacts to support integration with monitoring and control systems, providing feedback on breaker status.
• Position Indicators: Clear indicators for open and closed positions to enhance safety and allow quick status checks.

This circuit breaker is ideal for installations that require robust current protection without extensive programmable options. Its 1250A rating and basic overcurrent protection make it suitable for power distribution in industrial plants, commercial facilities, and other settings where high-power reliability is crucial. The fixed design and rear horizontal terminals simplify integration into switchgear and make it an excellent choice for high-demand power management setups.