Questions and Answers for Siemens 10 Amp Single-Pole Type QP Circuit Breaker

A:  Yes this unit accepts single pole 20A QP breakers https://s3.amazonaws.com/dcc-data-extract/new-delta/asset/Compas/daily/Compas/Wiring%20Diagram/SIE_WD_LC_SNW0816B1200T.pdf

A:  This is a QP single pole breaker pack size is 1 breaker comes in the package https://www.homedepot.com/p/Siemens-20-Amp-Single-Pole-Type-QP-Circuit-Breaker-Q120U/100044919

A:  If the panel lists MP or MP-T for the approved branch breakers, then the Q120 would be UL approved for use in the branch of the panel.

A:  Please contact a local certified electrician to determine which breaker best suits your application and is approved for installation in the electrical enclosure.

A:  Siemens does not UL approve other manufacturers breakers to be used/installed in Siemens units.

A:  If there is an attached picture, I am unfortunately unable to see it. Please contact Siemens low voltage customer support at 866-663-7324 for assistance with confirming the panel part number and approved branch breakers.

A:  QP1 B020 is not a valid Siemens part number. If the wiring diagram on the panel's door list QP breakers as approved for installation in the branch and you have one 1inch space free, then you can install the Q120 1-pole 20-amp breaker in the panel.

A:  Challenger was absorbed by Cutler Hammer/Eaton. Since our parts do interchange with other manufactures you will need to contact them to confirm our breaker is UL listed for their enclosure.