ABB / General Electric THHQB2190 – 90A 2 Pole Molded Case Circuit Breaker Final Sale

Part of the Q-Line family, this 90A two-pole MCCB provides robust thermal-magnetic protection for commercial and industrial electrical systems. It features a quick-make, quick-break mechanism to ensure reliable operation under fault conditions. Designed for bolt-on installation, the unit fits seamlessly into GE A-Series and ReliaGear RQ panelboards. It accepts 6-1/0 AWG copper or 4-1/0 AWG aluminum conductors via standard box lugs.