Datasheet

https://www.phoenixcontact.com/gb/products/2700356
01/16/2018Page1/6
Coupling relay-PSR-PS20-1NO-1NC-24DC-SC-2700356
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Coupling relay for SIL3 high and low-demand applications, couples digital output signals to the I/O, 1
enabling current path, 1 confirmation current path, 1 digital signal output, safe state off applications, test pulse
filter, fixed screw terminal block
Why buy this product
Up to SIL 3 according to IEC 61508
Forcibly guided contacts according to EN 50205
Easy proof test according to IEC 61508 thanks to integrated signal contact
Approved for Class I, Zone 2 applications
Low housing width of just 6.8mm
Long service life thanks to filtering of controller test pulses
1 enabling current path, 1 digital signal output, 1 diagnostic current path
Couples digital output signals from failsafe controllers to I/O devices (valves, etc.) for electrical isolation and power adaptation
Key Commercial Data
Packing unit 1 STK
GTIN
GTIN 4046356912891
Weight per Piece (excluding packing) 83.500 g
Custom tariff number 85364900
Country of origin Germany
Technical data
Note
Utilization restriction
EMC: class A product, see manufacturer's declaration in the download
area
Dimensions
Width 6.8 mm