Zinsco QB series molded case circuit breaker, 3-pole, 20 amp, rated 240 V.A.C., 40°C. Molded nameplate reads 'Zinsco Electrical Products, Los Angeles, Calif. - QB Circuit Breaker' with the patent list; the top paper label reads 'ISSUE 1 / TYPE HQ... / 240 V.A.C. / R-14248' but is aged and only partly legible, so the full catalog number could not be read.
Handle is stamped 20 for the 20 amp rating. Three screw-clamp line terminals with the strip gage molded into the case side. Yellow paint identification marks reading 'K205' appear on the pole sides from previous service use.
Condition: used pull. Housing shows scuffs and handling marks, the paper label is torn and faded, and all four case screw heads show rust and corrosion. Sold as-is, untested - no electrical testing has been performed and none is implied.
What you get: exactly the one breaker shown in the photos. No mounting hardware, wire, or panel parts are included.
Good candidate for older Zinsco/Sylvania-Zinsco panel repair or restoration where an original 3-pole 20 amp breaker is needed.
Pulled used breaker with scuffed housing, aged/partially illegible paper label on top, yellow paint marks reading 'K205' on the pole sides, and rust/corrosion on all four case screw heads. Untested - no way to verify function from photos.
You are buying exactly what is shown in the photos.