Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2

Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e in accordance with EN ISO 13849, 1- or 2-channel operation, 8 enabling current paths, US = 24 V DC, plug-in screw terminal block


Product Details

Product type Safety relays
Application Emergency stop
Safety door
Mechanical service life approx. 107 cycles
Relay type Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3
Insulation characteristics
Overvoltage category III

Maximum power dissipation for nominal condition 31.7 W (US = 26.4 V, IL² = 144 A², PTotal max = 2.9 W + 28.8 W)
Nominal operating mode 100% operating factor
Rated insulation voltage 250 V
Rated surge voltage/insulation Basic insulation 4 kV:
between all current paths and housing
Safe isolation, reinforced insulation 6 kV:
between A1/A2 and 63/64, 73/74, 83/84
between S10/S11/S12/S33/S34/S35 and 63/64, 73/74, 83/84
between 63/64, 73/74, 83/84 among one another

Rated control circuit supply voltage US 24 V DC -15 % / +10 %
Power consumption at US typ. 2.4 W (DC)
Rated control supply current IS typ. 100 mA DC (at US)
Inrush current 3.5 A (Δt = 2 ms at Us)
max. 150 mA (Δt = 1 ms, with Us/Ix at S10)
max. 200 mA (Δt = 1 ms, with Us/Ix at S12)
max. -180 mA (Δt = 1 ms, with Us/Ix at S22)
< 10 mA (with Us/Ix to S34)
< 10 mA (with Us/Ix to S35)
Current consumption 50 mA (with Us/Ix to S10)
50 mA (with Us/Ix to S12)
-50 mA (with Us/Ix to S22)
0 mA (with Us/Ix to S34)
1 mA (with Us/Ix to S35)
Voltage at input/start and feedback circuit 24 V DC -15 % / +10 %
Filter time 2 ms (at A1 in the event of voltage dips at Us)
max. 1.5 ms (at S10, S12; test pulse width)
7.5 ms (at S10, S12; test pulse rate)
Test pulse rate = 5 x Test pulse width
Typical response time < 120 ms (automatic start)
< 140 ms (manual start)
Typ. starting time with Us < 200 ms (when controlled via A1)
Typical release time < 20 ms (when controlled via S11/S12 and S21/S22)
< 50 ms (when controlled via A1)
Recovery time < 500 ms (following demand of the safety function)
< 1 s (Boot time)
Maximum switching frequency 0.5 Hz
Protective circuit Surge protection; Suppressor diode
Max. permissible overall conductor resistance 11 Ω (Input sensor circuit S10,S12,S22)
50 Ω (S34,S35 start circuit input)
Operating voltage display 1 x green LED
Status display 2 x green LEDs

Contact type 8 enabling current paths
1 signaling current path
Contact material AgSnO2
Maximum switching voltage 250 V AC
Minimum switching voltage 5 V AC/DC
Limiting continuous current 6 A
Maximum inrush current 6 A
Inrush current, minimum 10 mA
Sq. Total current 144 A2 (Enabling current paths)
36 A2 (Signaling current path)
Switching capacity min. 50 mW
Switching capacity according to IEC 60947-5-1 5 A (DC13)
3 A (AC15)
0.5 A (AC15)
Output fuse 10 A gL/gG (Enabling current paths)
6 A gL/gG (Signaling current path)

Connection technology
pluggable yes
Conductor connection
Connection method Screw connection
Conductor cross section solid 0.2 mm² ... 2.5 mm²
Conductor cross-section AWG 24 ... 12
Screw thread M3
Torque 0.5 Nm ... 0.6 Nm

Width 45 mm
Height 99 mm
Depth 114.5 mm

Housing material Polyamide
Housing color yellow

Safety data
Stop category 0
Safety data: EN ISO 13849
Category 4
Performance level (PL) e (3 A DC13; 3 A AC15; 8760 switching cycles/year)
Safety data: IEC 61508 - High demand
Equipment type Type A
Safety Integrity Level (SIL) 3
Probability of a hazardous failure per hour (PFHD) 5.06 x 10-10 (3 A DC13; 3 A AC15; 8760 switching cycles/year)
Proof test interval 240 Months
Duration of use 240 Months
Safety data: IEC 61508 - Low demand
Designation The data is only valid if the demand rate is no more than once a year.
Equipment type Type A
Safety Integrity Level (SIL) 3
Probability of a hazardous failure on demand (PFDAVG) 1.48 x 10-4
Proof test interval 77 Months
Duration of use 240 Months

Ambient conditions
Degree of protection IP20
Min. degree of protection of inst. location IP54
Ambient temperature (operation) -20 °C ... 55 °C (observe derating)
Ambient temperature (storage/transport) -40 °C ... 70 °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)
Shock 15g
Vibration (operation) 10 Hz ... 150 Hz, 2g

Designation CE
Certificate CE-compliant

Air clearances and creepage distances between the power circuits
Standards/regulations DIN EN 60947-1

Mounting type DIN rail mounting
Assembly instructions See derating curve
Mounting position vertical or horizontal

Item number 2963912
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C18
Product Key DNA114
Catalog Page Page 229 (C-6-2019)
GTIN 4017918899707
Weight per Piece (including packing) 423.99 g
Weight per Piece (excluding packing) 339.23 g
Customs tariff number 85371098
Country of origin DE


ECLASS-9.0 27371819
ECLASS-10.0.1 27371819
ECLASS-11.0 27371819


ETIM 8.0 EC001449


UNSPSC 21.0 39122200


Approval ID: TR_TS_D_00573_c

UL Listed

Approval ID: FILE E 140324

cUL Listed

Approval ID: FILE E 140324

Functional Safety

Approval ID: 01/205/5363.03/22

Functional Safety

Approval ID: 968/EZ 622.03/22

cULus Listed

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

Compatible Products

Your advantages

Up to Cat. 4/PL e in accordance with EN ISO 13849-1, SIL 3 in accordance with IEC 62061, SIL 3 in accordance with IEC 61508
Manually monitored and automatic activation in a single device
1- and 2-channel control
8 enabling current paths, 1 signaling current path