The Dewhurst Keyswitch is the industry standard and has been used for many years on a variety of installations. They are rated to cater for typical applications in lift installations requiring key switch control such as fans, lighting and transfer of car operation control.
There are numerous options with regard to key types, release positions and contact configurations. A low profile version of the key switch is also available for use in surface mount car and landing stations.
Available in round or square format
Stainless steel or brass options
Flat key barrel (L&F) option or;
Radial key barrel option (high security)
Low profile ~25mm
Range of key options
Wide range of contact configurations