The THHQB2120 silk-screen circuit breaker is a two-pole, 20-amp device for 120/240 V service, with a 22 kA interrupt rating. It uses silk-screen labeling for clear identification in industrial panels. This THHQB2120 model is suited for protecting branch circuits in commercial or industrial installations that require reliable overcurrent protection at 120/240 V and 20 A.
