SIEMENS Keyboards Demmel AG – Full CNC QWERTY 483 keyboard


The full CNC QWERTY 483 membrane keyboard supplied by Demmel AG in Siemens design permits a user-friendly input of programs and text.

The full CNC keyboard is mounted from the rear using special clamps included in the scope of supply.

DesignDemmel AG - Full CNC QWERTY 483 keyboard

Operator controls:

  • Standard/US QWERTY layout
  • Membrane keyboard with 78 keys
  • Alpha block with special characters
  • Numeric block with special characters
  • Cursor block
  • CNC function keys with hotkeys for fast selection of the control area


  • USB 1.1


The full QWERTY 483 keyboard from DEMMEL AG can be used for:

  • SINUMERIK 840D sl

Technical specifications

Product designation

Full CNC QWERTY 483 membrane keyboards

DC supply voltage

5.25 V

Active power input, maximum

0.4 W

Degree of protection

  • front


  • rear


Environmental category according to
IEC 60721-3-3

Moisture condensation and ice formation excluded. Low air temperature 0 °C (32 °F)

Ambient temperature, during

  • Storage

-25 … +55 °C (-13 … +131 °F)

  • Transport

-40 … +70 °C (-40 … +158 °F)

  • Operation

  • Front

0 … 45 °C (32 … 113 °F)

  • Rear

0 … 55 °C (32 … 131 °F)


483 mm (19.02 in)


133 mm (5.24 in)


31 mm (1.22 in)

Mounting surface

  • Cutout width

451 mm (17.76 in)

  • Cutout height

115.1 mm (4.53 in)

Net weight

1.3 kg (2.87 lb)

Certificate of suitability


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