ABB ProLine Circuit Breaker — Current-Limiting circuit breaker

Description

ProLine Circuit Breaker is the industry’s first UL-approved current-limiting circuit breaker designed for panelboard applications. It complies with UL489 for current limiting and operates at voltages up to 240V and 277/480Y VAC. It offers 10KAIC with main lug only and a 35KAIC series rating with T3/T5 main breakers. Features a K trip curve and supports current ratings from 1A to 100A. The breaker includes a contact position window, independent thermal-magnetic trip units, and a pluggable design with a non-energized bolt-on screw. This product ensures high safety, reliability, and ease of installation, making it ideal for critical power applications such as data centers, airports, and hospitals.