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Phoenix PSR-SCP- 24DC/URM4/5X1/2X2/B-expansion module 1442344, single-channel or dual-channel contact expansion, 5 normally open contacts, 1 normally closed contact, 1 feedback loop, and Basic equipment used together, in line with EN ISO 13849 safety isolation standard Cat. 4 class PL e requirements, width: 22.5mm, pluggable screw terminal

Product Type safety relay
Product Series PSRclassic
Application Expansion Module
control Single and Dual Channel
mechanical life 10x 106Switch Times
Relay Model Electromechanical relay with mechanical interlocking contacts according to IEC/EN 61810-3
insulation characteristics
Overvoltage Level III
pollution level 2
Typical startup time (Us) < 25 ms (with Us/via A1 control)
Typical release time < 20 ms (with Us/via A1 control)
Recovery Time < 1 s

rated conditions 16.6W (US= 26.4 V, IL² = 72 A², PTotal Maximum= 2.2W +14.4 W)
Rated operating mode 100% Eligible
Rated insulation voltage 250V
rated overvoltage/insulation see section "Insulation Coordination" in the data sheet.

digital quantity: A1
Input Description safety related
Input Quantity 1
input voltage range, "1" signal 19.2V ... 26.4V
Allowable total conductor resistance 25 Ω
protection circuit Suppressor Diode
power consumption Typical 75 mA

relay: enable current path (23/24 ... 63/64)
Output Description 2 normally open contacts each in series, safety-related, floating
outputs 5
Contact Type 5 normally open safety contact outputs
Contact Material AgSnO2
Switching voltage minimum 10V
Max. 250V AC/DC
on-off capacity 100 mW minimum
Impulse current 10 mA minimum
max. 20 A (≤ 100 ms)
limit continuous current 6 A (pay attention to capacity reduction)
the square of the total current value 72 A2(pay attention to capacity reduction)
Switching frequency max. 1Hz
mechanical life 10x 106Switch Times
output fuse 10 A gL/gG
4 A gL/gG (for low-demand applications)
Relays: Signal Transmission Current Path (71/72)
Output Description 2 parallel normally closed contacts, non-safety related, floating
outputs 1
Contact Type 1 signal transmission current path
Contact Material AgSnO2
Switching voltage Minimum 5V AC/DC
Max. 250V AC/DC
on-off capacity 50 mW minimum
Impulse current 10 mA minimum
max. 6 A
limit continuous current 6 A
the square of the total current value 36 A2
Switching frequency max. 1Hz
mechanical life 10x 106Switch Times
output fuse 6 A (gL/gG)
Relays: Way Feedback Loops (11/12)
Output Description diagnostic contacts, 2 series normally closed contacts, floating
outputs 1
Contact Type 1 feedback loop
Contact Material AgSnO2
Switching voltage minimum 10V
Max. 250V AC/DC
on-off capacity 100 mW minimum
Impulse current 10 mA minimum
max. 6 A
limit continuous current 6 A
the square of the total current value 36 A2
Switching frequency max. 0.5Hz
mechanical life 10x 106Switch Times
output fuse 10 A (gL/gG)
2900509
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Phoenix PSR-SCP- 24DC/URM4/5X1/2X2/B-Expansion Module 1442344

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