Popular ABB / Thomas & Betts GFB130 – 30A GFCI Miniature Circuit Breaker

Manufactured by ABB under the Thomas & Betts brand, the GFB130 is a 1-pole, 30A GFCI circuit breaker for residential and commercial use. This plug-on unit installs into Thomas & Betts TB series load centers. For legacy maintenance, it is commonly replaced by Eaton’s GFTCB130 or BRN130GF models when updating older enclosures. Operating at 120VAC with a 10kAIC rating, it provides 5mA Class A ground-fault protection and includes a pigtail neutral for NEC compliance.