Concealed box flush-mounted deep
  - 6 knockouts for ø 20 mm in sidewalls
  - 1 knockout for ø 20 mm in the bottom
  - Device mounting spacing - 60 mm
  - Drilling axis distance for the box - 71 mm
  
 Accessories matching the box:
  - Spacing rings PD60x12, PD60x24, PD60x30.
  - PL60 or WS60 cover.
  - Screws W16, W25, W40.