3TK28/3RA71 Safety Relays Safety relays are used whenever safe and reliable shutdown is required in dangerous situations. SIRIUS safety relays are essential elements in our system-wide, cost-efficient safety chain. Whether EMERGENCY STOP shutdown, protective door monitoring or optimum protection of presses or punching machines – our comprehensive program ranges from economic standard devices to innovative, highly- flexible multifunctional units to cover virtually all applications.
3TK2845 Multi-Function Devices Several Devices with Different Functions Where previously up to four individual devices had to be applied for a safety application, it can now be realized with a single multi-function device, because the devices combine multiple functions in a single enclosure. Two sensor inputs, e.g. for EMERGENCY STOP and protective door, keyswitch-operated safety logic as well as two electronic and two relay enable circuits make it possible. There are 5 versions of Multi-Function Devices available
Monitored and automatic start-up
Monitored start-up
Enabling button
Spring force interlocked tumbler
Magnetic force interlocked tumbler The advantages at a glance
Lower storage space
Space and cost saving because of multi-functionality
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