General Electric TEY390 bolt-on circuit breaker, a 90 A, 3-pole (3P) protection device for three-phase power. It is rated for 480 V (line-to-line) and 277 V (line-to-neutral) systems, and it uses GE Type TEY for mounting in compatible panels. Designed for bolt-on installation in industrial electrical gear, this TEY-series breaker protects 3-phase circuits in commercial and industrial power distributions that run at 480/277 V.
