https://www.phoenixcontact.
com/pi/products/2981363
Coupling relay - PSR-SCF- 24UC/URM/2X21 - 2981363
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Safe coupling relay with force-guided contacts, 2 changeover contacts, 1-channel, fixed screw terminal block,
width: 17.5 mm
Your advantages
Suitable up to category 1, PL c (EN ISO 13849-1), SILCL 1 (EN 62061), SIL 1 (IEC 61508)
Safe readback due to force-guided signal contact in accordance with EN 50205
Easy proof test according to IEC 61508 thanks to integrated signal contact
One or two-channel activation
2 changeover contacts (EN 50205 type B)
Key Commercial Data
Packing unit 10 pc
GTIN
GTIN 4017918946906
Technical data
Note
EMC: class A product, see manufacturer's declaration in the download
Utilization restriction
area
Dimensions
Width 17.5 mm
Height 75 mm
Depth 60.5 mm
Ambient conditions
Ambient temperature (operation) -20 °C ... 50 °C
Ambient temperature (storage/transport) -20 °C ... 70 °C
Max. permissible relative humidity (operation) 75 % (on average, 85% infrequently, non-condensing)
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Coupling relay - PSR-SCF- 24UC/URM/2X21 - 2981363
Technical data
Ambient conditions
Max. permissible humidity (storage/transport) 75 % (on average, 85% infrequently, non-condensing)
Maximum altitude ≤ 2000 m (Above sea level)
Input data
Rated control circuit supply voltage US 24 V AC/DC -15 % / +10 %
Rated control supply current IS typ. 30 mA
Power consumption at US typ. 0.72 W
Inrush current typ. 350 mA DC (Δt < 1 µs at Us)
typ. 350 mA AC (Δt = 2 ms at Us)
Typ. starting time with Us typ. 10 ms
Typical release time typ. 10 ms
Recovery time < 500 ms
Operating voltage display 1 x yellow LED
Maximum switching frequency 0.5 Hz
Filter time max. 1.5 ms (at S12; test pulse width)
7.5 ms (at S12; test pulse rate)
Test pulse rate = 5 x Test pulse width
Output data
Contact type 2 PDT
Contact material AgNi
Maximum switching voltage 230 V AC/DC (Observe the load curve)
Minimum switching voltage 5 V AC/DC
Limiting continuous current 5 A (N/O contact)
3.5 A (N/C contact)
Maximum inrush current 6A
Inrush current, minimum 10 mA
Sq. Total current 50 A
2
Interrupting rating (ohmic load) max. 144 W (N/O contact, 24 V DC, τ = 0 ms)
288 W (N/O contact, 48 V DC, τ = 0 ms)
88 W (N/O contact, 110 V DC, τ = 0 ms)
110 W (N/O contact, 220 V DC, τ = 0 ms)
1500 VA (N/O contact, 230 V AC, τ = 0 ms)
Switching capacity min. 50 mW
Mechanical service life 6
10x 10 cycles
Switching capacity according to IEC 60947-5-1 3 A (24 V (DC13))
3 A (250 V (AC15))
Output fuse 6 A gL/gG (N/O contact)
4 A gL/gG (N/O contact, for low-demand applications)
4 A gL/gG (N/C contact)
General
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Coupling relay - PSR-SCF- 24UC/URM/2X21 - 2981363
Technical data
General
Electromechanical relay with forcibly guided contacts in accordance with
Relay type
EN 50205
Nominal operating mode 100% operating factor
Net weight 61.82 g
Mounting position vertical or horizontal
Mounting type DIN rail mounting
Degree of protection IP20
Min. degree of protection of inst. location IP54
Housing material PBT
Housing color green
Connection data
Connection method Screw connection
pluggable no
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
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) 1
Designation IEC 61508 - Low demand
Safety Integrity Level (SIL) 1
Designation EN ISO 13849
Performance level (PL) c
Category 1
Safety Integrity Level Claim Limit (SIL CL) 1
Standards and Regulations
Designation Air clearances and creepage distances between the power circuits
Standards/regulations DIN EN 50178
Rated insulation voltage 250 V
250 V
4 kV/basic insulation (safe isolation, reinforced insulation, and 6 kV
Rated surge voltage/insulation
between logic and signaling current paths).
Degree of pollution 2
Overvoltage category III
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Coupling relay - PSR-SCF- 24UC/URM/2X21 - 2981363
Technical data
Standards and Regulations
N/O contact: 10g, N/C contact: 5g
Shock (In the event of stress caused by shock, contact reactions are possible
for up to 1 ms.)
10 Hz ... 150 Hz, 2g (In the event of stress caused by vibration, contact
Vibration (operation)
reactions are possible for up to 1 ms.)
Conformance CE-compliant
Environmental Product Compliance
REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”,
Category “Manufacturer's declaration”
Drawings
Block diagram
Approvals
Approvals
Approvals
Functional Safety / UL Listed / cUL Listed / EAC / EAC / cULus Listed
Ex Approvals
Approval details
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Coupling relay - PSR-SCF- 24UC/URM/2X21 - 2981363
Approvals
Functional Safety
968/EL 649.01/15
UL Listed
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324
cUL Listed
http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324
EAC
EAC-Zulassung
RU C-
EAC
DE.A*30.B.01082
cULus Listed
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PHOENIX CONTACT GmbH & Co. KG
Flachsmarktstr. 8
32825 Blomberg
Germany
Tel. +49 5235 300
Fax +49 5235 3 41200
http://www.phoenixcontact.com
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