Phoenix Contact introduces PSR-MXF multifunctional safety relay | Automation.com

Phoenix Contact introduces PSR-MXF multifunctional safety relay

September 182014
Phoenix Contact introduces PSR-MXF multifunctional safety relay

September 18, 2014 - Phoenix Contact introduces PSR-MXF multifunctional safety relay. The PSR-MXF accepts up to three dual-channel safety sensors: two local, independent sensor circuits, as well as an overriding safety circuit useful for simultaneous shutdown. With this safety circuit, one safety relay can do a job that would otherwise require three safety relays or a configurable safety relay.

The PSR-MXF closes the gap between two traditional types of safety solutions. For example, some engineers achieve emergency shutdown by wiring several safety sensors in-series into a single relay. Though this design is inexpensive and simple, it results in a loss of diagnostic capabilities and can mask critical safety faults in the system. A more comprehensive solution is to individually wire sensors to relays or to use configurable safety systems; however, conventional safety relays are often expensive, and configurable systems are often over-dimensioned. With the PSR-MXF, engineers achieve the advanced safety capabilities at a competitive price point.

At a compact size of 22.5 mm, the PSR-MXF is rated for the highest levels of safety: SIL 3, Category 4 and PLe. Also, the PSR-MXF requires zero software or turnstile configurations, as it depends on simplified, wire only configurations. The relay is available in four different types of connection technology, including push-in technology.

About Phoenix Contact
Phoenix Contact develops and manufactures industrial electrical and electronic technology products that power, protect, connect and automate systems and equipment for a wide range of industries. Phoenix Contact GmbH & Co. KG, Blomberg, Germany, operates 50 international subsidiaries, including Phoenix Contact USA in Middletown, Pa.

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