Siemens BQD290 U is a 2-pole molded case circuit breaker rated 90 A at 480 V AC. It belongs to the BQD family (formerly ITE) and provides thermal-magnetic protection with an interrupting rating of 14 kA at 480 V. Common applications include protecting branch circuits in commercial and light industrial distribution panels. The BQD290U is also listed as BQD290 in legacy ITE catalogs and is sold by major distributors such as Grainger and Mouser.
