1SDA055730R1 ABB E1N 1250 PR121/P-LSIG In=1250A 3p F HR

The ABB 1SDA055730R1 E1N 1250 PR121/P-LSIG Circuit Breaker is part of ABB’s SACE Emax series, designed to deliver comprehensive protection and control in industrial environments. Here’s a quick summary:

• Type: E1N 1250 PR121/P-LSIG Circuit Breaker
• Rated Current (In): 1250A
• Poles: 3-pole configuration for balanced load distribution
• Mounting: Fixed with rear horizontal terminals, providing a stable and secure connection
• Protection Unit: Equipped with the PR121/P LSIG electronic release, which includes Long delay, Short delay, Instantaneous, and Ground fault protection functions, allowing precise overcurrent and fault protection.
• Auxiliary Contacts: Features 4 auxiliary contacts, offering additional monitoring for enhanced system integration.
• Position Indicators: Includes open and closed position indicators to improve safety and operation awareness.

This circuit breaker is well-suited for high-power industrial applications, providing dependable overcurrent protection and efficient power distribution control.