Safety relays - PSR-SCP- 24DC/MXF1/4X1/2X2/B

Multifunctional safety relay for emergency stop and safety doors up to SIL 3, Cat. 4, PL e, automatically or manually monitored activation, 4 N/O contacts, 3 safety functions, 2 shutdown levels, plug-in screw terminal block


Product Details

Product type Safety relays
Application Emergency stop
Safety door
Mechanical service life 10x 106 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 3 W
Nominal operating mode 100% operating factor
Rated insulation voltage 250 V AC
Rated surge voltage/insulation 4 kV/basic isolation (safe isolation, reinforced insulation and 6 kV between input circuit, enabling current paths and safety circuit 1 (13/14, 23/24) and safety circuit 2 (43/44, 53/54).)

Nominal input voltage UN 24 V DC
Input voltage range in reference to UN 0.85 ... 1.1
Typical input current at UN 125 mA (with actuated relays)
55 mA (Two-channel 24 V/0 V + max. 200 mA control (message outputs 32/62) with non-actuated relays)
Current consumption typ. 5 mA (Imax/Ix inputs)
20 mA (in electric torque)
Voltage at input/start and feedback circuit 24 V -15 % / +10 % (first channel: 24 V; second channel: 0 V)
Filter time max. 1.5 ms (Test pulse duration; for all equivalent inputs)
min. 7.5 ms (Test pulse rate; for all equivalent inputs)
Typical response time 175 ms (monitored/manual start)
250 ms (automatic start)
Typ. starting time with Us 250 ms (when controlled via A1)
Typical release time 25 ms (when controlled via S11/I1,I3,I5 and S21/I2,I4,I6)
20 ms (when controlled via A1)
Recovery time 1 s (Availability time after activation of sensor circuit: 100ms)
Maximum switching frequency 0.5 Hz
Protective circuit Surge protection; Suppressor diode
Max. permissible overall conductor resistance 100 Ω
Operating voltage display 1 x green LED
Status display 5x LED green

Contact type 4 enabling current paths
2 semiconductor alarm outputs
Contact material AgCuNi, +0.2 ... 0.4 µm Au
Maximum switching voltage 250 V AC/DC
Minimum switching voltage 10 V AC/DC
Limiting continuous current 6 A (N/O contact)
max. 100 mA (Alarm output (24 V DC))
Maximum inrush current 6 A
Inrush current, minimum 10 mA
Sq. Total current 72 A2 (ITH2 = I12 + I22+ I32+ I42)
Interrupting rating (ohmic load) max. 1500 VA (250 V AC, τ = 0 ms)
66 W (220 V DC, τ = 0 ms)
66 W (110 V DC, τ = 0 ms)
100 W (48 V DC, τ = 0 ms)
144 W (24 V DC, τ = 0 ms)
Maximum interrupting rating (inductive load) 48 W (24 V DC, τ = 40 ms)
43 W (48 V DC, τ = 40 ms)
Switching capacity min. 0.1 W
Switching capacity (360/h cycles) 5 A (0,1 Hz; DC13; 24 V)
Switching capacity (3600/h cycles) 3 A (AC15; 230 V)
Output fuse 6 A gL/gG NEOZED (N/O contact)
4 A gL/gG NEOZED (for low-demand applications)

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

Width 22.5 mm
Height 112.2 mm
Depth 114.5 mm

Housing color yellow

Safety data
Stop category 0
Safety data: EN ISO 13849
Category 4
Performance level (PL) e (5 A DC13; 3 A AC15; 8760 cycles/year)
Safety data: EN 50156
Safety Integrity Level (SIL) 3
Safety Integrity Level (SIL) 3
Probability of a hazardous failure per hour (PFHD) 1.93 x 10-10 (5 A DC13; 3 A AC15; 8760 cycles/year)
Proof test interval 240 Months (Mission time)
Safety Integrity Level (SIL) 3
Probability of a hazardous failure on demand (PFDAVG) 1.45 x 10-4
Proof test interval 60 Months

Ambient conditions
Degree of protection IP20
Min. degree of protection of inst. location IP54
Ambient temperature (operation) -20 °C ... 45 °C (see derating curve)
Ambient temperature (storage/transport) -25 °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)

Air clearances and creepage distances between the power circuits
Standards/regulations DIN EN 50178/VDE 0160

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

Item number 2902725
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C18
Product Key DNA191
Catalog Page Page 234 (C-6-2019)
GTIN 4046356673006
Weight per Piece (including packing) 286.6 g
Weight per Piece (excluding packing) 221 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: RU C-DE.A*30.B.01082

UL Listed

Approval ID: FILE E 140324

cUL Listed

Approval ID: FILE E 140324

Functional Safety

Approval ID: 01/205/5353.00/13

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”

Your advantages

Up to Cat. 4/PL e according to EN ISO 13849-1, SIL 3 according to EN 62061, SIL 3 according to IEC 61508
3 safety functions in one device
Low housing width of only 22.5mm
No software configuration required
Also available with push-in connection