Safety relays - PSR-MC40-3NO-1DO-24DC-SP 2700570

Safety relay for emergency stop, safety doors and light grids up to SILCL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic or manual, monitored start, 3 enabling current paths, US = 24 V DC, pluggable Push-in terminal block

Product Details

Ambient conditions
Shock 15g
Min. degree of protection of inst. location IP54
Vibration (operation) 10 Hz ... 150 Hz, 2g
Maximum altitude ≤ 2000 m (Above sea level)
Ambient temperature (operation) -40 °C ... 55 °C (observe derating)
Max. permissible relative humidity (operation) 75 % (on average, 85% infrequently, non-condensing)
Ambient temperature (storage/transport) -40 °C ... 85 °C
Degree of protection IP20
Max. permissible humidity (storage/transport) 75 % (on average, 85% infrequently, non-condensing)

Signal: M1
Short-circuit protection no
Maximum inrush current 500 mA (Δt = 1 ms at Us)
Number of outputs 1 (digital, PNP)
Voltage 22 V DC (Us - 2 V)
Output description non-safety-related
Current max. 100 mA
Relay: Enabling current paths (13/14, 23/24, 33/34)
Contact material AgSnO2
Switching frequency 0.5 Hz
Contact type 3 enabling current paths
Number of outputs 3 (undelayed)
Output fuse 6 A gL/gG (N/O contact)
4 A gL/gG (for low-demand applications)
Limiting continuous current 6 A (observe derating)
Output description safety-related N/O contacts
Sq. Total current 48 A2 (observe derating)
Switching voltage min. 12 V AC/DC
max. 250 V AC/DC (Observe the load curve)
Mechanical service life 10x 106 cycles
Inrush current min. 3 mA
max. 6 A
Switching capacity min. 60 mW

Digital: Sensor circuit (S12, S22)
Filter time max. 1.5 ms (at S12, S22; test pulse width)
min. 7.5 ms (at S12, S22; test pulse rate)
Test pulse rate = 5 x Test pulse width
Description of the input safety-related sensor inputs
Current consumption < 5 mA (with Us/Ix to S12)
< 5 mA (with Us/Ix to S22)
Input current range "0" signal 0 mA ... 2 mA (for safe Off; at S12 and S22)
Max. permissible overall conductor resistance 150 Ω
Input voltage range "0" signal 0 V DC ... 5 V DC (for safe Off; at S12 and S22)
Inrush current < 20 mA (with Us/Ix to S12)
< 5 mA (with Us/Ix to S22)
Digital: Start circuit (S34)
Description of the input non-safety-related
Current consumption < 10 mA (at S34/24 V)
> -5 mA (at S34/0 V)
Input voltage range "1" signal 20.4 V DC ... 26.4 V DC
Max. permissible overall conductor resistance 150 Ω
Protective circuit Suppressor diode
Number of inputs 1
Inrush current typ. 200 mA

Utilization restriction
EMC note EMC: class A product, see manufacturer's declaration in the download area

Rated insulation voltage 250 V AC
250 V AC
Nominal operating mode 100% operating factor
Rated surge voltage/insulation Safe 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
Rated control circuit supply voltage US 20.4 V DC ... 26.4 V DC
24 V DC -15 % / +10 %
Designation A1/A2
Filter time 1 ms (at A1 in the event of voltage dips at Us)
Power consumption at US typ. 1.92 W
Protective circuit Surge protection; Suppressor diode
Protection against polarity reversal for rated control circuit supply voltage
Inrush current 5 A (Δt = 200 µs at Us)
Rated control supply current IS typ. 80 mA

Height 116.6 mm
Width 12.5 mm
Depth 114.5 mm

Status display 3 x green LED
Operating voltage display 1 x green LED

Housing color yellow
Housing material PBT

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

Safety data: EN 62061
Safety Integrity Level Claim Limit (SIL CL) 3
Safety data: EN ISO 13849
Category 4
Performance level (PL) e (4 A DC13; 5 A AC15; 8760 switching cycles/year)
Safety data: IEC 61508 - High demand
Duration of use 240 Months
Proof test interval 240 Months
Safety Integrity Level (SIL) 3
Probability of a hazardous failure per hour (PFHD) 1.5 x 10-9 (4 A DC13; 5 A AC15; 8760 switching cycles/year)
Safety data
Stop category 0
Safety data: IEC 61508 - Low demand
Duration of use 240 Months
Proof test interval 60 Months
Probability of a hazardous failure on demand (PFDAVG) 1.46 x 10-4
Safety Integrity Level (SIL) 3

Connection technology
pluggable Yes
Conductor connection
Conductor cross-section AWG 24 ... 16
Conductor cross section flexible, with ferrule without plastic sleeve 0.25 mm2 ... 1.5 mm2 (only together with CRIMPFOX 6)
Conductor cross section solid 0.2 mm2 ... 1.5 mm2
Stripping length 8 mm
Connection method Push-in connection
Conductor cross section, flexible, with ferrule, with plastic sleeve 0.25 mm2 ... 1.5 mm2 (only together with CRIMPFOX 6)
Conductor cross section flexible 0.2 mm2 ... 1.5 mm2

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

Relay type Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3
Application Emergency stop
Safety door
Light grid
Solenoid switch
Typical release time < 20 ms (when controlled via A1 or S12 and S22.)
Typical response time < 175 ms (automatic start)
< 175 ms (manual, monitored start)
Recovery time < 500 ms
Typ. starting time with Us < 250 ms (when controlled via A1)
Insulation characteristics
Overvoltage category III

Order Key 2700570
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key CNA
Catalog Page Page 223 (C-6-2019)
GTIN 4046356912532
Weight per Piece (including packing) 172,7 GRM
Weight per Piece (excluding packing) 139,9 GRM
Customs tariff number 85371098
Country of origin DE

UL Listed

cUL Listed

Functional Safety


Functional Safety

cULus Listed

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50 years
China RoHS For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”

Your advantages

Low housing width of just 12.5 mm
Up to Cat.4/PL e according to ISO 13849-1, SILCL 3 according to IEC 62061
Manually monitored and automatic activation in a single device
Two-channel control
3 enabling current paths, 1 digital signal output