Non-contact safety switches are a type of safety switch that operates without the use of conductive contacts to complete or break the circuit. Instead, they utilise a magnet, transponder or inductor to detect when the power to a machine needs to be cut. They can be used in machine-guarding applications to prevent injury to personnel in hazardous areas.
What are the advantages of non-contact safety switches?
Non-contact safety switches can be preferable because they are very long lasting and require minimal maintenance They are also resistant to shock and vibrations, as well as being relatively tamper-proof.
Types of non-contact safety switches
Non-contact safety switches may operate using different methods, including by magnet, transponder or inductor. They can also differ in terms of their terminal type, connection type, and crucially, the distance at which the switch will be operated. This determines the level of sensitivity the switch has, and how quickly it will activate when it detects that power needs to be cut.
Description:
The F3S-TGR non contact safety switches are designed
to interlock hinge, sliding or removable guard doors. Plastic and stainless steel switches are available, the latter are ideally suited to high hygiene demands in the food industry. The switches have a long sensing range to avoid false signals resulting from an ...
Description:
The Ferrogard GD2 is a magnetically actuated non-contact
safety switch which offers reliability and a high tolerance to misalignment. Designed to be installed on a guard door, the action of the magnetic actuator being removed from the switch opens the N.C. safety contacts therefore isolating the control power to the ...
Description:
Smallest design Actuation only possible with BPS260, available
separately Left-hand or right-hand side versions for door-mounting Control category up to 4 to EN954-1IP67 protection Connector 8 mm, 6-pole, latching interlocking Dimensions: L13 x W26 x H36 mm.
Description:
Control category up to 4 to EN954-1 in
combination with a safety monitoring module LED versions are illuminated when guard door is open1 N/O 2 N/C versions can use 1 N/C as coded output to another device e.g. a beacon Coded switch, actuation only possible with BPS33 actuating magnet IP67 ...
