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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
PSR-MC20-3NO-1DO-24DC-SC
Weight
0.18 kg
This product is Not Cancellable/Not Returnable
Series PSR-MC

PSR-MC20-3NO-1DO-24DC-SC - Safety relays

Safety relay for emergency stop and safety doors up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, 1-channel operation, automatic/manual start, 3 enabling current paths, US = 24 V DC, plug-in screw terminal block

  • Up to Cat. 1/PL c in accordance with EN ISO 13849-1, SIL 1 in accordance with EN IEC 62061
  • Depending on the application, up to cat. 4/PL e in accordance with ISO 13849-1, SIL CL 3 in accordance with EN IEC 62061
  • Low housing width of just 12.5 mm
  • Manually monitored and automatic activation in a single device
  • 3 enabling current paths, 1 digital signal output
  • 1-channel control
Technical Specifications

Product properties

Product familyPSRmini
ApplicationEmergency stop
ApplicationSafety door
ApplicationSolenoid switch
Relay typeElectromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3

Times

Typical response time< 175 ms (automatic start)
Typical response time< 175 ms (manual, monitored start)
Typ. starting time with Us< 250 ms (when controlled via A1)
Typical release time< 20 ms (when controlled via A1 or S12)
Recovery time< 500 ms

Electrical properties

Maximum power dissipation for nominal condition4.8 W (US = 26.4 V, IL² = 48 A², PTotal max = 2.4 W + 2.4 W)
Nominal operating mode100% operating factor

Air clearances and creepage distances between the power circuits

Rated Insulation Voltage250 V AC
Rated Insulation Voltage250 V AC
Rated surge voltage/insulationSafe isolation, reinforced insulation 6 kV between input circuit and enabling current path (13/14) and enabling current path (23/24) and enabling current path (33/34)Basic insulation 4 kV between all current paths and housing

Supply

DesignationA1/A2
Rated control circuit supply voltage US20.4 V DC ... 26.4 V DC
Rated control circuit supply voltage US24 V DC -15 % / +10 %
Rated control supply current IStyp. 80 mA
Power consumption at UStyp. 1.92 W
Inrush Current5 A (Δt = 200 µs at Us)
Filter time1 ms (at A1 in the event of voltage dips at Us)
Protective circuitSurge protection; Suppressor diode
Protective circuitProtection against polarity reversal for rated control circuit supply voltage

Digital: Start circuit (S34)

Description of the inputnon-safety-related
Number of Inputs1
Input voltage range "1" signal20.4 V DC ... 26.4 V DC
Inrush Currenttyp. 200 mA
Max. permissible overall conductor resistance150 Ω
Protective circuitSuppressor diode
Current consumption< 10 mA (at S34/24 V)
Current consumption> -5 mA (at S34/0 V)

Relay: Enabling current paths (13/14, 23/24, 33/34)

Output descriptionsafety-related N/O contacts
Number of Outputs3 (undelayed)
Contact switching type3 enabling current paths
Contact MaterialAgSnO2
Switching voltagemin. 12 V AC/DC
Switching voltagemax. 250 V AC/DC (Observe the load curve)
Switching capacitymin. 60 mW
Inrush Currentmin. 3 mA
Inrush Currentmax. 6 A
Limiting Continuous Current6 A (observe derating)
Sq. Total current48 A2 (observe derating)
Switching frequency0.5 Hz
Mechanical service life10x 106 cycles
Output fuse6 A gL/gG (N/O contact)
Output fuse4 A gL/gG (for low-demand applications)

Signal: M1

Output descriptionnon-safety-related
Number of Outputs1 (digital, PNP)
Voltage22 V DC (Us - 2 V)
Currentmax. 100 mA
Maximum Inrush Current500 mA (Δt = 1 ms at Us)
Short-circuit protectionno

Connection technology

pluggableyes

Conductor connection

Connection MethodScrew connection
Conductor cross section rigid0.2 mm² ... 2.5 mm²
Conductor cross section flexible0.2 mm² ... 2.5 mm²
Conductor cross-section AWG24 ... 12
Stripping length7 mm
Screw threadM3
Tightening torque0.5 Nm ... 0.6 Nm

Signaling

Status display3 x green LED
Operating voltage display1 x green LED

Dimensions

Width12.5 mm
Height112.2 mm
Depth114.5 mm

Material specifications

Color (Housing)yellow (RAL 1018)
Housing MaterialPolyamide

Safety data

Stop category0

Safety data: EN ISO 13849

Category1 (up to Cat. 4 depending on the application)
Performance level (PL)c (up to PL e depending on the application)

Safety data: IEC 61508 - High demand

Safety Integrity Level (SIL)1 (up to SIL 3 depending on the application)

Safety data: IEC 61508 - Low demand

Safety Integrity Level (SIL)1 (up to SIL 3 depending on the application)

Safety data: EN IEC 62061

Safety Integrity Level (SIL)3 (up to SIL 3 depending on the application)

Ambient conditions

Degree of ProtectionIP20
Min. degree of protection of inst. locationIP54
Ambient Temperature (Operation)-40 °C ... 55 °C (observe derating)
Ambient temperature (storage/transport)-40 °C ... 85 °C
Maximum altitude≤ 2000 m (Above sea level)
Max. permissible humidity (storage/transport)75 % (on average, 85% infrequently, non-condensing)
Max. permissible relative humidity (operation)75 % (on average, 85% infrequently, non-condensing)
Shock15g
Vibration (Operation)10 Hz ... 150 Hz, 2g

CE

IdentificationCE-compliant

Air clearances and creepage distances between the power circuits

Standards/regulationsEN 60947-1

Mounting

Mounting TypeDIN rail mounting
Assembly instructionsSee derating curve
Mounting Positionvertical or horizontal

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Additional Information

Pack Size1
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