Specific Switch Panels
In addition to the switching function, specific switch panels incorporate several other functions such as:
- Illumination / backlighting
- EMC protection
- High-performance 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 switch panels withstand even more stringent requirements in embedded applications. These switch panels feature extreme electrical, mechanical and climatic resistance, according to the most demanding standards.
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. |