Product type designation

DEMMEL AG
full CNC membrane keyboards

Supply voltage at DC

5.25 V

Active power consumption, maximum

0.4 W

Degree of protection

• On front

IP65

• Rear

IP00

Environment category according to IEC 60721-3-3

Condensation and icing 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 ... 55 °C (32 ... 131 °F)

• rear

0 ... 45 °C (32 ... 113 °F)

Width

• QWERTY 483

483 mm (19.02 in)

• QWERTY 310

310 mm (12.20 in)

Height

• QWERTY 483

133 mm (5.24 in)

• QWERTY 310

175 mm (6.89 in)

Depth

31 mm (1.22 in)

Mounting surface

• section width

• QWERTY 483

451 mm (17.76 in)

• QWERTY 310

278.4 mm (10.96 in)

• section height

• QWERTY 483

115.1 mm (4.53 in)

• QWERTY 310

157.6 mm (6.20 in)

Net weight

• QWERTY 483

1.3 kg (2.87 lb)

• QWERTY 310

1.1 kg (2.43 lb)

Certificate of suitability

CE