Description

1SDA055743R1 ABB E1N 1250 PR123/P-LSIG In=1250A 4p F HR

The ABB 1SDA055743R1 is a SACE Emax E1N 1250 PR123/P-LSIG circuit breaker, specifically designed for high-capacity power distribution and sophisticated protection in demanding environments. Here are the essential details:

Product Overview:

Type: SACE Emax E1N Circuit Breaker
Rated Current (In): 1250A
Poles: 4-pole
Configuration: Fixed type with rear horizontal terminals
Protection Unit: PR123/P-LSIG, providing comprehensive protection (Long-time, Short-time, Instantaneous, and Ground fault) with advanced monitoring.
Auxiliary Features:
- 4 auxiliary contacts for status monitoring
- Position indicator showing open/closed states

Features:

High-Level Protection: The PR123/P-LSIG protection unit offers precise, multi-layered protection against overloads, short circuits, and ground faults, ideal for critical infrastructure.
Large Current Handling: With a rating of 1250A, this model supports substantial power demands in large industrial and commercial systems.
Advanced Monitoring and Diagnostics: Enhanced with smart diagnostics and communication options for integration into modern power management systems.
Efficient Installation: Rear horizontal terminals make installation into panels straightforward and space-efficient.
Enhanced Safety and Control: Equipped with auxiliary contacts and position indicators for real-time system visibility and control.

This circuit breaker is ideal for applications where high current capacity, precise protection, and advanced monitoring are critical to reliable power management.

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