ABB TEYF350

The ABB TEYF350 is a reliable circuit breaker designed to fit compactly with just one inch of width per pole. Known for its “bolt-on” installation, it’s built specifically for grounded 480Y/277 Vac systems, making it a solid choice for various industrial setups. Thanks to its bolt-on mounting base, the TEYF model can easily serve as a lug-lug breaker, offering flexibility in how it’s deployed.

These breakers come with trusted features like a quick-make/quick-break mechanism and common trip bars, which help ensure both safety and dependable performance. The trip indicators are straightforward to spot, making it easier to identify and address any issues quickly. Available in one, two, or three poles, the TEYF series also offers options for auxiliary contacts and shunt trip accessories for those who need extra control capabilities.

Distributed by BSP Automation, the TEYF350 (sometimes known by its part number 783164388541) is a solid piece of kit that brings together compact design and dependable function — a real workhorse in its class.