Phoenix PSR-SCP- 24UC/ESL4/3X1/1X2/B-safety relay 2981059, safety relay, used for emergency stop, safety door and grating, safety level can reach SIL 3, Cat. 4, PL e, single channel Or dual channel operation, automatic or manual, controlled start, 3 enable current paths, US = 24V DC, plug-in screw terminal

Product Type safety relay
product series PSRclassic
Application Emergency stop button
safety door
grating
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 (auto start)
110 ms (manual, monitor start)
Typical startup time (Us) 125 ms (when controlled via A1)
Typical release time 10 ms (via sensor loop as required)
45 ms (via A1 as required)
restart time < 1 s (start-up time)
Recovery Time 1 s (in accordance with the requirements of safety functions)
Start Pulse Length ≥ 500 ms (manual reset)

rated conditions 16.44W (in US= 26.4 V, IL² = 72 A²; PTotal Maximum=2.04 W+14.4 W)
Rated operating mode 100% Eligible
Rated insulation voltage 250V
rated overvoltage/insulation see section "Insulation Coordination" in the data sheet.
power supply
Name A1/A2
Rated control circuit supply voltage US 24V DC -15 % / +10%
Rated control supply current IS typical value 70 mA (US)
US Typical 1.68W
Impulse current < 3.5 A (the voltage is usually US,&Delta;t = 3 ms)
filter time 5 ms (Usvoltage sags, the test pulse is prohibited)
protection circuit series protection to prevent polarity reversal; suppression diode

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,&Delta;t = 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 suppression diode
power consumption 38 mA (in UStypical)
digital quantity: starting circuit (S34, S35)
Input Description non-safety related
Input Quantity 2
input voltage range, "1" signal 20.4V ... 26.4V
Impulse current < 6 mA (S34/35, usually US,&Delta;t = 70 ms)
filter time Test pulse not allowed
Allowable Total Conductor Resistance 50 Ω
protection circuit suppression diode
power consumption 0 mA (S34 input, voltage is usually US)
1 mA (S35 input, the voltage is usually US)

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 minimum 10V
Max. 250V AC/DC
on-off capacity 100 mW minimum
Impulse current 10 mA minimum

Phoenix PSR-SCP- 24UC/ESL4/3X1/1X2/B-Safety relay 2981059

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Created on：2025-06-18 10:55

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