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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
PSR-MC37-3NO-1NC-24DC-SC
Weight
0.228 kg
Series PSR-MC

PSR-MC37-3NO-1NC-24DC-SC - Safety relays

Safety relay for emergency switching off and safety doors as well as for elevator applications up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic or manual start, cross-circuit detection, 3 enabling current paths, US = 24 V DC, plug-in screw terminal block

  • Low housing width of only 22.5mm
  • 3 enabling current paths, 1 signaling current path, 1 digital signal output
  • Cross-circuit detection
  • Automatic and manual activation
  • Up to Cat. 4/PL e in accordance with EN ISO 13849-1, SIL 3 in accordance with EN IEC 62061
  • Suitable for elevator applications in accordance with EN 81-20
Technical Specifications

Product properties

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

Times

Typical response time< 100 ms (automatic start)
Typ. starting time with Us< 100 ms (when controlled via A1)
Typical release time< 20 ms (when controlled via A1 or S12)
Restart time< 1 s (Boot time)
Recovery time< 500 ms

Electrical properties

Maximum power dissipation for nominal condition16.65 W (at US = 30 V, IL² = 72 A²)
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/insulationBasic insulation 4 kV between all current paths
Rated surge voltage/insulationBasic insulation 4 kV between all current paths and housing

Supply

DesignationA1/A2
Rated control circuit supply voltage US19.2 V DC ... 30 V DC
Rated control circuit supply voltage US24 V DC -20 % / +25 %
Rated control supply current IStyp. 70 mA
Power consumption at UStyp. 1.68 W
Inrush Current2 A (Δt = 300 µs at Us)
Protective circuitSurge protection; Suppressor diode
Protective circuitProtection against polarity reversal for rated control circuit supply voltage

Digital: Sensor circuit (S12, S22)

Description of the inputsafety-related sensor inputs
Input voltage range "0" signal0 V DC ... 5 V DC (for safe Off; at S12 and S22)
Input current range "0" signal0 mA ... 2 mA (for safe Off; at S12 and S22)
Inrush Current< 5 mA (Δt = 500 µs, for Us/Ix at S12)
Inrush Current> -5 mA (Δt = 500 µs, for Us/Ix at S22)
Filter timemax. 3 ms (at S12, S22; test pulse width; blanking pulses/dark test)
Filter time1 s (at S12, S22; test pulse rate; blanking pulses/dark test)
Filter timeWhere test pulse width ≤ 1 ms: test pulse rate = 5 x test pulse width
Filter timemax. 1 ms (at S12, S22; test pulse width; switch-on pulses/light test)
Filter time100 ms (at S12, S22; test pulse rate; switch-on pulses/light test)
Filter timeUnless switch-on pulses/light tests are safety-related, they should be disabled.
Max. permissible overall conductor resistance150 Ω
Current consumption< 4 mA (with Us/Ix to S12/S22)

Digital: Start circuit (S35)

Description of the inputnon-safety-related
Number of Inputs1
Input voltage range "1" signal19.2 V DC ... 30 V DC
Inrush Current< 10 mA (Δt = 500 µs)
Max. permissible overall conductor resistance150 Ω
Protective circuitSuppressor diode
Current consumption< 0.5 mA

Relay: Enabling current path (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. 5 V AC/DC
Switching voltagemax. 250 V AC/DC (Observe the load curve)
Switching capacitymin. 50 mW
Inrush Currentmin. 10 mA
Inrush Currentmax. 6 A
Switching capacity in accordance with IEC 60947-5-15 A (24 V (DC13))
Switching capacity in accordance with IEC 60947-5-15 A (250 V (AC15))
Limiting Continuous Current6 A (observe derating)
Sq. Total current72 A2 (observe derating)
Switching frequency0.5 Hz
Mechanical service life10x 106 cycles
Interrupting rating (ohmic load) max.1500 VA (250 V AC, τ = 0 ms)
Interrupting rating (ohmic load) max.For additional values, see load curve
Maximum interrupting rating (inductive load)48 W (24 V DC, τ = 40 ms)
Maximum interrupting rating (inductive load)40 W (48 V DC, τ = 40 ms)
Maximum interrupting rating (inductive load)36 W (60 V DC, τ = 40 ms)
Maximum interrupting rating (inductive load)35 W (110 V DC, τ = 40 ms)
Maximum interrupting rating (inductive load)33 W (220 V DC, τ = 40 ms)
Maximum interrupting rating (inductive load)1500 VA (250 V AC, τ = 40 ms)
Output fuse6 A gL/gG (N/O contact)

Relay: Signaling current path (41/42)

Output descriptionnon-safety-related N/C contact
Number of Outputs1 (undelayed)
Contact switching type1 signaling current path
Contact MaterialAgSnO2
Switching voltagemin. 5 V AC/DC
Switching voltagemax. 250 V AC/DC
Switching capacitymin. 50 mW
Inrush Currentmin. 10 mA
Inrush Currentmax. 6 A (Δt = 100 ms)
Limiting Continuous Current1 A
Sq. Total current1 A2
Switching frequency0.5 Hz
Mechanical service life10x 106 cycles
Output fuse1 A gL/gG

Signal: Y32

Output descriptionnon-safety-related
Number of Outputs1 (digital)
Voltage23 V DC (Us - 1 V)
Currentmax. 100 mA
Maximum Inrush Current1 A (Δt = 5 ms at Us)
Short-circuit protectionYes

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

Signaling

Status display3 x green LED
Operating voltage display1 x green LED

Dimensions

Width22.5 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

Category4
Performance level (PL)e (5 A DC13; 5 A AC15; 8760 switching cycles/year)

Safety data: IEC 61508 - High demand

Safety Integrity Level (SIL)3

Safety data: IEC 61508 - Low demand

Safety Integrity Level (SIL)3

Safety data: EN IEC 62061

Safety Integrity Level (SIL)3

Ambient conditions

Degree of ProtectionIP20
Min. degree of protection of inst. locationIP54
Ambient Temperature (Operation)-40 °C ... 60 °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 for Δt = 11 ms (continuous shock: 10g for Δt = 16 ms)
Vibration (Operation)10 Hz ... 150 Hz, 2g

CE

IdentificationCE-compliant

Air clearances and creepage distances between the power circuits

Standards/regulationsDIN EN 60664-1:2008

Mounting

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

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