Construction of the HSB Bumper

The bumper is built up of a soft polyurethane foam, in the interior of which contact chains are disposed immediately adjacent to the actuating faces. The number and the positions of the contact chains depend on the size and the intended application of the bumper. For rail-bound vehicles or rectilinear machine movements normally only the front side of the bumper serves as the actuating face.
The bumper sensor is are built up of mechanically opening N/C contacts connected in series, in the form of a contact chain.


area bumper
bumper DIN ISO
bumper EN 954 1
bumper security category 3
bumper security category 4
collision cushion
personnel safety systems
ring bumper
safety buffer
safety bumper
safety contact bumper
safety cushion
safety cut off

An often critical feature for any electrical component, of course for safety edges, too, is sealing. Ingress of humidity or water may lead to failures. Critical for sealing, in a safety edge, is the interface between rubber profile and end caps being normally glued to each other.

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