Safety relays - PSR-ME20-3NO-1NC-24DC-SC-SET35
1301404

Set comprised of 35 safety relays for emergency stops, safety doors, and light grids up to SIL 2, Cat. 3, PL d, 1- or 2-channel operation, automatic or manual, monitored start, 3 enabling current paths, 1 signaling current path, US = 24 V DC, plug-in screw terminal block


Product Details




Product type Safety relays
Set consists of 1301402 PSR-ME20-3NO-1NC-24DC-SC
Application Emergency stop
Safety door
Light grid
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
Times
Typical response time 200 ms (automatic start)
200 ms (manual, monitored start)
Typ. starting time with Us 200 ms (when controlled via A1)
Typical release time 25 ms (on demand via the sensor circuit)
60 ms (on demand via A1)
Restart time < 1 s (Boot time)
Recovery time < 500 ms (following demand of the safety function)

Maximum power dissipation for nominal condition 16.6 W (US = 26.4 V, IL² = 72 A², PTotal max = 2.2 W + 14.4 W)
Nominal operating mode 100% operating factor
Supply
Designation A1/A2
Rated control circuit supply voltage US 24 V DC -15 % / +10 %
Rated control supply current IS typ. 70 mA (at US)
Power consumption at US typ. 1.68 W
Inrush current < 5.2 A (typically with US, Δt = 2 ms)
Filter time 5 ms (in the event of voltage dips at Us)
Protective circuit Serial protection against polarity reversal; Suppressor diode
Rated insulation voltage 250 V
Rated surge voltage/insulation Basic insulation 4 kV between all output current paths
Basic insulation 4 kV between all output current paths/logic paths and housing
Safe isolation, reinforced insulation 6 kV between 250 V load current paths and 24 V logic paths

Rated control supply current IS typ. 70 mA (at US)
Digital: Sensor circuit (S10, S12, S22)
Description of the input safety-related sensor inputs
Number of inputs 3
Input voltage range "0" signal 0 V DC ... 5 V DC (S10, S12)
Input voltage range "1" signal 20.4 V ... 26.4 V
Input current range "0" signal 0 mA ... 2 mA
Inrush current < 100 mA (typically with US at S10/S12)
> -100 mA (typically with US at S22)
Filter time 1 ms (Test pulse width of low test pulses)
1 s (Test pulse rate for low test pulse)
No brightness test pulses / high test pulses permitted.
Concurrence
Max. permissible overall conductor resistance 50 Ω
Protective circuit Suppressor diode
Current consumption 38 mA (typically with US at S10/S12)
-38 mA (typically with US at S22)
Digital: Start circuit (S34, S35)
Description of the input non-safety-related
Number of inputs 2
Input voltage range "1" signal 20.4 V ... 26.4 V
Inrush current < 7 mA (Typically with US at S34)
< 8 mA (Typically with US at S35)
Filter time No test pulses permitted
Max. permissible overall conductor resistance 50 Ω
Protective circuit Suppressor diode
Current consumption 2 mA (Typically with US at S34)
3 mA (Typically with US at S35)

Relay: Enabling current paths (13/14, 23/24, 33/34)
Output description 2 N/O contacts each in series, safety-related, floating
Number of outputs 3
Contact type 3 enabling current paths
Contact material AgSnO2
Switching voltage min. 10 V AC/DC
max. 250 V AC
Switching capacity min. 100 mW
Inrush current min. 10 mA
max. 6 A
Switching capacity according to IEC 60947-5-1 5 A (AC15)
6 A (DC13)
Limiting continuous current 6 A (Observe derating and load limit curve)
Sq. Total current 72 A2 (observe derating)
Switching frequency max. 0.5 Hz
Mechanical service life 10x 106 cycles
Output fuse 10 A gL/gG
4 A gL/gG (for low-demand applications)
Relay: Signaling current path (41/42)
Output description 2 N/C contacts parallel, non-safety-related, floating
Number of outputs 1
Contact type 2 NC parallel
Contact material AgSnO2
Switching voltage min. 10 V AC/DC
max. 250 V AC
Switching capacity min. 100 mW
Inrush current min. 10 mA
max. 6 A
Switching capacity according to IEC 60947-5-1 3 A (AC15)
2 A (DC13)
Limiting continuous current 6 A
Sq. Total current 36 A2
Switching frequency max. 0.5 Hz
Mechanical service life 10x 106 cycles
Output fuse 6 A gL/gG

Connection technology
pluggable yes
Conductor connection
Connection method Screw connection
Conductor cross section solid 0.2 mm² ... 2.5 mm²
Conductor cross section flexible 0.2 mm² ... 2.5 mm²
Conductor cross-section AWG 24 ... 12
Stripping length 7 mm
Screw thread M3
Torque 0.5 Nm ... 0.6 Nm

Status display 2 x green LEDs
Operating voltage display 1 x green LED

Width 22.5 mm
Height 112.2 mm
Depth 114.5 mm

Housing material PBT
Housing color black

Safety data
Stop category 0
Safety data: EN ISO 13849
Category 3
Performance level (PL) d
Safety data: IEC 61508 - High demand
Equipment type Type A
Safety Integrity Level (SIL) 2
Probability of a hazardous failure per hour (PFHD) 1.00 x 10-8
Proof test interval 240 Months
Safety data: IEC 61508 - Low demand
Equipment type Type A
Safety Integrity Level (SIL) 2
Probability of a hazardous failure on demand (PFDAVG) 1.50 x 10-3
Proof test interval 36 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

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 1301404
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key DNA121
Product Key DNA121
GTIN 4063151547127
Weight per Piece (including packing) 5,768 g
Weight per Piece (excluding packing) 5,392.45 g
Customs tariff number 85371098
Country of origin DE


ECLASS

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

ETIM

ETIM 8.0 EC001449

UNSPSC

UNSPSC 21.0

EAC

Approval ID: TR_TS_D_00573_c

EAC

Approval ID: RU*C-DE.*08.B.00010

Functional Safety

Approval ID: 44-780-15124324

Functional Safety

Approval ID: 44-205-15124324

UL Listed

Approval ID: FILE E 140324

cUL Listed

Approval ID: FILE E 140324

cULus Listed


REACh SVHC Lead 7439-92-1

Your advantages

Up to Cat. 3/PL d in acc. with EN ISO 13849-1, SIL 2 in acc. with IEC 62061, SIL 2 in acc. with IEC 61508
3 enabling current paths, 1 signaling current path
1- and 2-channel control
Manually monitored and automatic activation