GE THQB32090-ST1 U is a three-pole circuit breaker rated for 90 A at 240 V (three-phase) with a 10 kA short-circuit interrupting capacity. It includes a 120 V shunt-trip accessory for remote tripping, enabling external safety control in emergency shutdown schemes. This GE THQB device provides overcurrent protection for feeders and equipment in electrical distribution systems, and the THQB32090-ST1 U designation identifies its specific configuration within GE's THQB lineup.
