1SDA055957R1 ABB E2S 1250 PR122/P-LSIG In=1250A 3p F HR

The 1SDA055957R1 ABB E2S 1250 PR122/P-LSIG Circuit Breaker from ABB’s SACE Emax series is a robust circuit breaker ideal for industrial and commercial settings requiring advanced protection and monitoring. Here’s a detailed overview:

• Model: SACE Emax E2S 1250 PR122/P-LSIG
• Rated Current (In): 1250A, suitable for high-demand power applications.
• Poles: Three-pole (3P), ideal for three-phase systems.
• Mounting Type: Fixed-mounted with rear horizontal terminals, allowing for secure installation and rear-access wiring.
• Protection Unit: Equipped with the PR122/P-LSIG relay, which provides:
  • Long-Time (L), Short-Time (S), Instantaneous (I), and Ground Fault (G) protection, offering comprehensive fault coverage.
  • Enhanced programmability for customized protection settings, improving system reliability and fault response.
  • Advanced monitoring capabilities for real-time data on electrical performance, aiding in diagnostics and preventative maintenance.
• Auxiliary Contacts: Includes 4 auxiliary contacts for remote monitoring and control integration.
• Position Indicators: Features open/closed indicators for clear visual confirmation of the breaker’s status.

This circuit breaker is ideal for applications such as industrial plants, data centers, and large commercial facilities, where reliable protection, fault management, and monitoring are essential. The PR122/P-LSIG protection relay offers customizable and advanced fault-handling capabilities, making it well-suited for critical power distribution networks. The fixed design with rear horizontal terminals allows for easy integration in switchgear systems.