Contact us: Tel +44 (0)1844 202400 Fax +44 (0)1844 202500  e-mail sales@apem.co.uk
 SWITCH PANELS
Graphic Overlays
Flexible Keypads
Ridgid Keypads
Stainless Steel
Specific Panels
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Specific Switch Panels

 
In addition to the switching function, specific switch panels incorporate several other functions such as: illumination by LED, backlighting with one or two intensity levels, EMC protection, sealing, connection, support, mounting... APEM’s expertise in varied and complementary technologies allows the company to propose multifunction solutions at optimal cost. The following examples illustrate the most frequently requested functions.
 
 
LARGE KEYS with raised markings

Stainless steel or aluminium keys,
overmolded in translucent polycarbonate
Raised legends or symbols
Backlighting by LED’s
Printed circuit with metal snap domes
Support plate with mounting accessories
 
EMC PROTECTION

Polyester graphics overlay
EMC protection by metal grid
Plunger / diffuser of translucent polycarbonate
Backlighting by LED’s
Printed circuit with metal snap domes
 
BACKLIGHTING by LED’s

Polyester graphics overlay
EMC protection by metal grid
Plunger / diffuser of translucent polycarbonate
Backlighting by LED’s
Printed circuit with metal snap domes
 
SEALED CONSTRUCTION

Polyester overlay stuck on a plastic support
Rubber keypad providing front face sealing
Printed circuit including metal snap domes
and backlighting LED’s
Electrical connection by cables and connectors
Rear sealing by injection of resin
Mechanical part serving as support and fixation
Integrated microprocessor allowing multiplexing
and RS 485 connection
 
 
High performance versions for military and aeronautic applications
 
High performance switch panels carry out the same functions as the other specific switch panels, but feature higher electrical, mechanical and climatic resistance, according to the most stringent standards (GAM EG13...). They are developed and manufactured to customer’s specifications.
 
TECHNOLOGY

Front face equipped with a finger location plate ensuring
precise key operation
EMC protection by metal grid or metallized plastic parts
Translucent plunger / diffuser allowing dome actuation
and backlighting diffusion
Printed circuit incorporating metal snap domes inserted
in a casing, backlighting LED’s and connection devices
Support plate allowing the assembly of the various parts
 
 
Addition of a toggle switch and an accessory preventing accidental toggle actuation.
Transparent window with EMC protection by metal grid.
Addition of a security cap intended to prevent unintentional actuation of some keys.


    Apem Components Ltd
    Drakes Drive, Long Crendon
    Buckinghamshire
    HP18 9BA. U.K
  Tel +44 (0)1844 202400         Fax +44 (0)1844 202500
  Registered in England No 1730676 Registered address as above