The Cutler-Hammer Westinghouse PB31600PRT is a 3-pole PB Tri-Pac trip unit rated for 1600 A. Identified by the PB31600PRT designation, it belongs to the PB Tri-Pac family and is intended for use within PB Tri-Pac breaker configurations. This unit provides the protective function in high-current, three-pole electrical protection assemblies from Cutler-Hammer Westinghouse.
