ABB TEYH2050B

The ABB TEYH2050B is a reliable circuit breaker designed for grounded 480Y/277 Vac systems. This model is part of the TEY series, known for its compact, bolt-on design that takes up just one inch per pole, making it a solid choice for tight panel spaces. Thanks to its bolt-on mounting base, it works well in various setups as a lug-to-lug breaker.

Built with safety and performance in mind, the TEY circuit breakers include features like Quick-make/Quick-break mechanisms, common trip bars, and clear trip indications that make troubleshooting straightforward. The TEYH line offers versatility with 1, 2, and 3-pole options, and the 2- and 3-pole versions can be equipped with accessories such as auxiliary contacts, shunt trips, undervoltage releases, or bell alarms for added functionality.

The TEYH2050B specifically is a 50-amp, 2-pole unit rated for 35kA interrupting capacity at 480/277 volts, delivering dependable protection in demanding industrial environments. Distributed by BSP Automation, this breaker is a solid pick for anyone looking to upgrade or maintain their electrical systems with a trusted, no-nonsense component. In industry circles, it’s often just referred to as the “TEY breaker” when folks want to keep it casual.