General Electric THQMH125CP Master Main Breaker Kit

GE THQMH125CP Powermark Gold Master Main Breaker Kit is a 125-amp, two‑pole master main circuit breaker conversion kit designed for GE Powermark Gold load centers. It provides a centralized service disconnect by enabling a main breaker configuration in compatible GE panels and is rated for 125 A at 240 V. The kit is marketed specifically as a Powermark Gold Master Main Breaker Conversion Kit (model THQMH125CP) and is listed for use with Powermark Gold load centers by multiple retailers. Typical applications include upgrading an existing GE PowerMark Gold panel to a main-breaker configuration for simplified main disconnect control in residential or light commercial installations. Availability spans major retailers and distributors, with references in GE product catalogs and catalog listings under the THQMH125CP designation. This part is a common choice when upgrading a panel to a main breaker arrangement, and it is documented in product guides and retailer listings as THQMH125CP Master Main Breaker Kit, 125 Amp, 2-Pole.