Phoenix Contact Optocoupler, Max. Forward 24 V, Max. Input 45 mA DIN Rail Mounting Style

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): DE
Product Details

PSR Mini PS21 Optocoupler

The PSR Mini PS21 Optocoupler is a coupling relay that can be used for power adaptation and electrical isolation in high and low-demand applications up to SIL 2. When using this module, circuits are interrupted in a safety-oriented manner.

Used in applications up to 2 SIL according to IEC 61508 & EN 50205
Used for safety-related switching off
6.8mm housing width
Approved for Class l, Zone 2 applications
Can be used in high and low-demand applications
Integrated DCS test pulse filter
Low inrush current
1 undelayed enabling current path
1 undelayed confirmation current path
1 digital signal output
Fixed screw connection


IEC 61508, EN 50205

Attribute Value
Maximum Forward Voltage 24 V
Maximum Input Current 45 mA
Isolation Voltage 3.5kV
Mounting Style DIN Rail
Minimum Operating Temperature -40°C
Maximum Operating Temperature +65°C
Width 6.8mm
Depth 102.5mm
Dimensions 6.8 x 93.1 x 102.5 mm
Operating Temperature Range -40 → +65 °C
Special Features Approved for Class I, Long Service Life to Filtering of Controller Test Pulses, Zone 2 Application
Series PSR-PS21-1NO-1NC-24DC-SC
Input Type DC
Output Type Digital, PNP
20 In stock for delivery within 1 working days
Price Each
kr 813,81
(exc. VAT)
kr 1 017,26
(inc. VAT)
Per unit
1 - 4
kr 813,81
5 - 9
kr 780,80
10 +
kr 746,99