Modular cut-out safety relay system

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Phoenix Contact has enhanced the modular cut-out relay system PSR with new, safe input modules. The interface module PSR-SIM4 enables simple connection of up to four safety switches each with one closer/ opener contact to the master cut-out relay.


This means, for example, that up to four safety doors can be monitored in a machine with one cut-out relay. If more than four protection doors are needed, then several PSR-SIM4 modules can be connected to each other quickly and easily via the mounting rail connector PSR-TBUS. They can then be evaluated via the master cut-out relay PSR-SDC4. For easy analysis, the switch status of the cut-out sensors can be monitored via message outputs (e.g. in an SPS).


Phoenix Contact is one of the world leaders in developing and manufacturing connectivity solutions and automation components.  Its principal product ranges include: printed circuit board connectors; modular terminal blocks; fieldbus components; surge voltage protection systems; industrial plug and socket connectors and interface units. In all of these areas, Phoenix Contact can offer technical expertise and cost effective solutions. 


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