Schmersal Machine Guarding Safety Products
Schmersal offers more than 300 different
safety components for protecting workers from point-of-operation hazards.
Keyed Interlock Switches - designed for use with movable machine guards/access gates which must be closed for
operator safety. Their positive-opening NC contacts provide a significantly higher level of safety than
conventional springdriven switches whose contacts can weld or stick shut. And their tamper-resistant design
prevents bypassing with simple tools, bent wires or other readily available means.
Solenoid-Latching Interlocks - designed for machines/work cells where access to a hazardous work area must be
controlled until safe conditions exist. Their solenoid-latching feature permits locking a machine guard until
dangerous conditions, which may exist immediately after removal of power, have abated. Solenoid-latching may
be controlled by a time delay, motion detector, position sensor or other suitable component.
Hinged Interlock Switches - designed for use with hinged movable machine guards which must be closed for
operator safety. Their tamper-resistant design and positive-opening NC contacts provide a significantly higher
level of safety than conventional, spring-driven limit switches often used to monitor hinged-guard position.
Non-Contact Safety Sensors - designed for use as a safety interlock on movable machine guards/articulating robot
arms. Each sensor set consists of a multiple reed switch unit and a coded-magnet actuator. The sensor outputs
will only change state in the presence of their matched magnetic field array.
Pulse-Echo Non-Contact Sensors - designed for application in safety circuits and is used for monitoring the
position of movable safety guards. In this application the safety sensor monitors the closed position of hinged, sliding
or removable guards with the aid of a coded actuator.
Safety-Rated Limit Switches - designed for use with movable machine guards/access gates which must be closed for
operator safety … and for any other presence/position sensing application normally addressed with conventional limit
switches. Their positive-opening NC contact provides a higher level of safety and reliability than conventional
spring-driven limit switches whose contacts can weld or stick shut.
Safety Edges - consisting of a rugged high tear resistant rubber profile, an aluminum mounting rail, a plug-in
optoelectronic transmitter and receiver pair and a compatible safety controller. The design features a high reflective
internal rubber surface and a self-adjusting gain optical pair whose performance is uncompromised by slight bending …
and predictable over the specified operating range.
Emergency Cable-Pull Switches - designed to provide a continuous emergency stop along exposed areas of machinery and
conveyors which present hazards to operators/maintenance personnel. Unlike E-stop pushbuttons, emergency stop cable-pull
systems can be actuated at any point along the "trip-wire." The units feature positive-opening NC contacts which are
forced open when the trip-wire is pulled. This design also assures machine stoppage if an operator falls into, leans on,
or is pulled against the trip wire.
 Download the Schmersal Safety Products brochure in *.pdf format
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