Switch through walls - without holes
A
Herga Electric product story
Edited by the Engineeringtalk editorial team
Feb 11, 2002
A novel switching technology is now available which means that it is possible to operate a switch on the other side of walls (50-100mm thick) without the need to drill holes.
A novel switching technology is now available which means that it is possible to operate a switch on the other side of walls (50-100mm thick) without the need to drill holes.
It is the brainchild of Bury St Edmunds based Herga Electric.
The switch, which can be either rotary or push button, is mounted on one side of a panel either horizontally or vertically with the control electronics on the other side.
The mechanism allows the switch to work through plastics, marble, wood, glass, sheet stainless steel and granite.
The Freemount top switch makes use of GMR - giant magnetoresistive technology - and is self calibrating to accommodate the various thicknesses of the substrate.
Because the actuator is entirely passive, the system could be suitable for use in hazardous environments or where EMC issues are concerned.
It also avoids problems with sealing as there are no holes which have to be made in the panel.
Potential markets could include leisure marine, kitchens, bathrooms, access control and hazardous environments.
Other functions can also be incorporated into the electronics to include such items as timers.
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