Phoenix PSR-SCP-24DC/URML4/3X1/1X2/B-expansion module 2903583, single-channel or dual-channel contact expansion module suitable for OSSD signals (such as gratings), 3 normally open contacts, 1 normally closed Contact, in line with EN ISO 13849 standard Cat. 4 PL e requirements, and EN IEC 62061 standard SIL 3 requirements, plug-in screw terminal, width: 22.5mm

Product Type safety relay
product series PSRclassic
Application Expansion Module
control Single and Dual Channel
mechanical life about 107Switch Times
Relay Model Electromechanical relay with mechanical interlocking contacts according to IEC/EN 61810-3
insulation characteristics
Overvoltage Level III
pollution level 2
Typical Response Time 125 ms (for Usauto start)
Typical release time 10 ms (via sensor loop as required)
Recovery Time 1 s (in accordance with the requirements of safety functions)

rated conditions 16.44W (US= 26.4 V, IL² = 72 A²,PTotal max= 2.04W +14.4 W)
Rated operating mode 100% Eligible
Rated insulation voltage 250V
rated overvoltage/insulation 4kV/basic safety isolation (6kV enhanced safety isolation between input loop and normally open safety contact output.)

digital quantity: logic (S12,S22)
Input Description safety related
Input Quantity 2
input voltage range, "0" signal 0V DC ... 5V DC
input voltage range, "1" signal 20.4V ... 26.4V
Input current range "0" signal 0 mA ... 2 mA
Impulse current maximum 110 mA (voltage is usually US,Δt = 3 ms)
filter time max. 2 ms (test pulse width, low test pulse, test pulse rate at 100 ms)
does not allow brightness test pulse/high test pulse.
parallel ∞
Allowable total conductor resistance 50 Ω
protection circuit Suppressor Diode
power consumption 38 mA (typical, 24V)

relay: enable current path (13/14,23/24,33/34)
Output Description 2 normally open contacts each in series, safety-related, floating
outputs 3
Contact Type 3 normally open safety contact outputs
Contact Material AgSnO2
Switching voltage 10V minimum
Max. 250V AC/DC
on-off capacity 100 mW minimum
Impulse current 10 mA minimum
max. 6 A
limit continuous current 6 A (note attenuation and load limit curves)
the square of the total current value 72 A2(pay attention to capacity reduction)
Switching frequency max. 0.5Hz
mechanical life 10x 106Switch Times
output fuse 10 A gL/gG
4 A gL/gG (for low-demand applications)
Relays: Signal Transmission Current Path (41/42)
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 10V AC/DC
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

Phoenix PSR-SCP-24DC/URML4/3X1/1X2/B-Extension Module 2903583

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Created on：2025-06-27 09:43

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