This Breaker has (2) 15 Amp Single Pole(s) Breakers and (1) 50 Amp Double Pole Breaker in one 2 in. housing. Siemens strongly recommends against the use of used breakers. The installation of used breakers in a Siemens panel will void the warranty on the panel. Siemens does not sell used breakers and has not approved any 3rd party sellers to do so. Siemens type QT dual circuit breakers are 1 in. wide and consist of (2) 1-pole breakers, in varying combinations of ampere ratings from 15 to 30 Amp. Type QT quad circuit breakers are 2 in. wide and consist of either (1) 2-pole and (2) 1-pole or (2) 2-pole breakers. 2-pole constructions range from 15-50 Amp and are available with internal common trip. All type QT circuit breakers are plug-in style and load terminals are provided with the units. Reviews There are no reviews yet. Be the first to review “Siemens 15/50 amps Standard 3-Pole Circuit Breaker” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.