Siemens Qf130 Gfci, 30 Amp, 1 Pole, 120 Volt Siemens GFCI plug in circuit breakers are intended for use in Siemens EQ, Siemens Ultimate, ITE, and Gould load centers or meter combinations. The single pole Siemens breakers may be used in 1 or 3-phase load centers and are 120V rated. To ensure the wa