The ABB 1SDA055735R1 E1N 1250 PR123/P-LSIG Circuit Breaker is a powerful component from ABB’s SACE Emax series, providing advanced protection and control features. Here’s a breakdown:

• Type: E1N 1250 PR123/P-LSIG Circuit Breaker
• Rated Current (In): 1250A
• Poles: 3-pole configuration for balanced protection and load management
• Mounting: Fixed installation with rear horizontal terminals, ensuring secure and stable connectivity
• Protection Unit: Equipped with the PR123/P LSIG electronic release, which includes comprehensive protection functions: Long delay, Short delay, Instantaneous, and Ground fault protection. This advanced release unit enables precise and adaptable overcurrent and fault protection.
• Auxiliary Contacts: Features 4 auxiliary contacts for status feedback, supporting enhanced system integration and monitoring.
• Position Indicators: Displays open and closed positions, improving operational safety and visibility.

This circuit breaker is well-suited for demanding industrial applications, offering reliable overcurrent protection and efficient energy management capabilities.