https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
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Coupling relay for SIL 3 high/low demand applications, couples digital output signals to the periphery, 1 enabling
current path, 1 signal contact, module for safe state off applications, test pulse filter, fuse, plug-in screw
connection, 17.5 mm width
Product Features
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Narrow 17.5 mm housing
Up to SIL 3 according to IEC 61508
Forcibly guided contacts according to EN 50205
Easy proof test according to IEC 61508 thanks to integrated signal contact
Long service life thanks to filtering of controller test pulses
With built-in, replaceable fuse in the enabling current path
One enabling current path
Couples digital output signals from failsafe controllers to I/O devices (valves, etc.) for electrical isolation and power adaptation
Key Commercial Data
Packing unit
1 pc
Weight per Piece (excluding packing)
200.0 g
Custom tariff number
85364900
Country of origin
Germany
Technical data
Note
Utilization restriction
EMC: class A product, see manufacturer's declaration in the download
area
Dimensions
Width
17.5 mm
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https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
Technical data
Dimensions
Height
99 mm
Depth
114.5 mm
Ambient conditions
Ambient temperature (operation)
-20 °C ... 55 °C (observe derating)
Ambient temperature (storage/transport)
-40 °C ... 70 °C
Max. permissible relative humidity (operation)
75 % (on average, 85% infrequently, non-condensing)
Max. permissible humidity (storage/transport)
75 % (on average, 85% infrequently, non-condensing)
Shock
15g
Vibration (operation)
10 Hz ...150 Hz, 2g
Maximum altitude
≤ 2000 m (Above sea level)
Input data
Rated control circuit supply voltage US
24 V DC -15 % / +10 %
Power consumption at US
typ. 1.32 W
Rated control supply current IS
typ. 55 mA
Typical inrush current
max. 100 mA
Typical pick-up time
50 ms
Typical release time
50 ms
Recovery time
1s
Maximum switching frequency
0.5 Hz
Filter time
max. 5 ms (at A1 in the event of voltage dips at Us)
max. 2 ms (Test pulse width; high test pulse at A1/A2)
≥ 100 ms (Test pulse width; high test pulse at A1/A2)
Test pulse rate = 80 x Test pulse width
max. 5 ms (Test pulse width; low test pulse at A1/A2)
≥ 50 ms (Test pulse rate; low test pulse at A1/A2)
Test pulse rate = 15 x Test pulse width
Output data
Contact type
1 enabling current path
1 confirmation current path
Contact material
AgCuNi, + 0.2 µm Au
Minimum switching voltage
15 V AC/DC (N/O contact / N/C contact)
Maximum switching voltage
250 V AC/DC (N/O contact / N/C contact, observe the load curve)
Limiting continuous current
5 A (N/O contact, pay attention to the derating)
100 mA (N/C contact)
Inrush current, minimum
5 mA (N/O contact / N/C contact)
Maximum inrush current
5 A (N/O contact)
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https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
Technical data
Output data
100 mA (N/C contact)
Sq. Total current
25 A (observe derating)
Interrupting rating (ohmic load) max.
120 W (24 V DC, τ = 0 ms, N/C contact: 2.4 W)
2
192 W (48 V DC, τ = 0 ms, N/C contact: 4.8 W)
162 W (60 V DC, τ = 0 ms, N/C contact: 6 W)
66 W (110 V DC, τ = 0 ms, N/C contact: 11 W)
60 W (220 V DC, τ = 0 ms, N/C contact: 22 W)
1250 VA (250 V AC, τ = 0 ms, N/C contact: 25 VA)
Maximum interrupting rating (inductive load)
72 W (24 V DC, τ = 40 ms, N/C contact: 2.4 W)
43 W (48 V DC, τ = 40 ms, N/C contact: 4.8 W)
41 W (60 V DC, τ = 40 ms, N/C contact: 6 W)
35 W (110 V DC, τ = 40 ms, N/C contact: 11 W)
48 W (220 V DC, τ = 40 ms, N/C contact: 22 W)
Switching capacity
min. 75 mW
Output fuse
5 A T fuse (N/O contact)
4 A gL/gG (N/C contact)
General
Relay type
Electromechanical relay with forcibly guided contacts in accordance with
EN 50205
Mechanical service life
10 x 10 cycles
Net weight
188.4 g
Mounting type
DIN rail mounting
Degree of protection
IP54
6
IP20
Min. degree of protection of inst. location
IP54
Mounting position
any
Control
single-channel
Housing material
PBT
Connection data
Connection method
Screw connection
pluggable
Yes
Conductor cross section solid min.
0.2 mm²
Conductor cross section solid max.
2.5 mm²
Conductor cross section flexible min.
0.2 mm²
Conductor cross section flexible max.
2.5 mm²
Conductor cross section AWG min.
24
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https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
Technical data
Connection data
Conductor cross section AWG max.
12
Stripping length
7 mm
Screw thread
M3
Safety-related characteristic data
Stop category
0
Designation
IEC 61508 - High demand
Safety Integrity Level (SIL)
3 (max. 10% of the entire SIL; diagnostic coverage (DC) of the control unit
at A1/A2 must be ≥ 90% )
Designation
IEC 61508 - Low demand
Safety Integrity Level (SIL)
3 (max. 10% of the entire SIL; diagnostic coverage (DC) of the control unit
at A1/A2 must be ≥ 90% )
Designation
EN ISO 13849
Performance level (PL)
e
Category
4
Designation
EN 62061
Safety Integrity Level Claim Limit (SIL CL)
3 (max. 10% of the entire SIL; diagnostic coverage (DC) of the control unit
at A1/A2 must be ≥ 90% )
Designation
IEC 50156
Safety Integrity Level (SIL)
3
Standards and Regulations
Shock
15g
Designation
Air clearances and creepage distances between the power circuits
Standards/regulations
DIN EN 50178/VDE 0160
Rated insulation voltage
250 V AC
Rated surge voltage/insulation
Safe isolation, reinforced insulation 6 kV between the control circuits (A1/
A2), (21/22), (13/14)
Degree of pollution
2
Overvoltage category
III
Vibration (operation)
10 Hz ...150 Hz, 2g
Conformance
CE-compliant
Classifications
eCl@ss
eCl@ss 4.0
27371102
eCl@ss 4.1
27371102
eCl@ss 5.0
27371901
eCl@ss 5.1
27371901
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https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
Classifications
eCl@ss
eCl@ss 6.0
27371819
eCl@ss 7.0
27371819
eCl@ss 8.0
27371819
ETIM
ETIM 2.0
EC001449
ETIM 3.0
EC001449
ETIM 4.0
EC001449
ETIM 5.0
EC001449
UNSPSC
UNSPSC 6.01
30211901
UNSPSC 7.0901
39121501
UNSPSC 11
39121501
UNSPSC 12.01
39121501
UNSPSC 13.2
39121501
Approvals
Approvals
Approvals
UL Listed / cUL Listed / Functional Safety / EAC / cULus Listed
Ex Approvals
Approvals submitted
Approval details
UL Listed
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https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
Approvals
cUL Listed
Functional Safety
EAC
cULus Listed
Drawings
Application drawing
Circuit diagram
A1
STOP
RUN
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
14
22
K1
A1
STOP
MRES
21
A2
K2
Power
PSR-FSP
SF
BATF
DC5V
FRCE
RUN
RUN-P
13
Fuse
21
22
13
14
A2
Example of electrical isolation of a safety PLC output from the field.
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https://www.phoenixcontact.com/us/products/2981978
Coupling relay - PSR-SCP- 24DC/FSP/1X1/1X2 - 2981978
Circuit diagram
24V DC
SIS
DC ! 90%
24V
GND
DO DO DI
0V
L
K1
K2
A1
13
21
14
22
PSR-...-24DC/FSP/1X1/1X2
A2
K1
K2
K1
M
24V DC
K2
N
Circuit diagram
24V DC
SIS
DC ! 90%
24V
GND
DO DO DI
K1
K2
0V
L
A1
L
13
K1
K3
K2
K4
21
PSR-...-24DC/FSP/1X1/1X2
A2
A1
13
22
K1
A2
K3
14
22
K4
M
K3
24V DC
K2
N
21
PSR-...-24DC/FSP/1X1/1X2
14
M
K4
N
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