Image not available
Illustrative purposes only
2963912
Safety Relay, 24 VAC/VDC, 8PST-NO, SPST-NC, PSRclassic Series, DIN Rail, 6 A, Screw
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: PHOENIX CONTACT
- Product type: Safety Relays
- Coil Voltage:24V; Contact Configuration:8PST-NO, SPST-NC; Product Range:PSR Series; Relay Mounting:DIN Rail; Contact Current:6A; Relay Terminals:Screw; Contact Voltage AC Nom:250V; Cont
- SVHC: Lead (04-Feb-2026)
- IP Rating: IP20, IP54
- Coil Voltage: 24VAC/VDC
- Product Range: PSRclassic Series
- Relay Mounting: DIN Rail
- Contact Current: 6A
- Relay Terminals: Screw
- Contact Material: Silver Tin Oxide
- Contact Configuration: 8PST-NO, SPST-NC
- Contact Voltage AC Nom: 250V
- Contact Voltage DC Nom: 250V
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 439.05 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) Safety relay for emergency stop and safety door monitoring up to SIL 3 or Cat. 4, PL e according to EN ISO 13849, single- or two-channel operation, 8 enabling current paths, US = 24 V AC/DC, plug-in screw terminal block ## Why buy this product - 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 - Single and two-channel control - 8 enabling current paths, 1 signaling current path Key Commercial Data ~~a~~ Packing unit 1 STK GTIN ~~SS~~ GTIN ~~LT~~ 4017918899707 ~~a~~ Weight per Piece (excluding packing) 429.000 g ~~a~~ Custom tariff number 85371099 ~~a a~~ Country of origin Germany ## Technical data Note EMC: class A product, see manufacturer's declaration in the download Utilization restriction area ~~es~~ Dimensions Width 45 mm Height 99 mm Depth 114.5 mm Ambient conditions Ambient temperature (operation) -20 °C ... 55 °C (observe derating) ~~a~~ 01/09/2017 Page 1 / 7 https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 Technical data Ambient conditions 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 AC/DC -15 % / +10 % Power consumption at US typ. 4.25 W (AC) typ. 2.23 W (DC) Rated control supply current IS typ. 177 mA AC typ. 93 mA DC Inrush current 2 A (Δt = 10 ms at Us) Current consumption < 50 mA (with Us/Ix to S10) < 50 mA (with Us/Ix to S12) > -50 mA (with Us/Ix to S22) 0 mA (with Us/Ix to S34) 0 mA (with Us/Ix to S35) Voltage at input/start and feedback circuit 24 V DC -15 % / +10 % Typical response time < 380 ms (automatic start) < 60 ms (manual start) Typ. starting time with Us < 500 ms (when controlled via A1) Typical release time < 20 ms (when controlled via S11/S12 and S21/S22) < 50 ms (when controlled via A1) Concurrence input 1/2 ∞ Recovery time < 1 s Status display 2 x green LEDs Maximum switching frequency 0.5 Hz Max. permissible overall conductor resistance approx. 11 Ω (Input and start circuits at US) Filter time 2 ms (at A1 in the event of voltage dips at Us) max. 1.5 ms (at S10, S12; test pulse width) 7.5 ms (at S10, S12; test pulse rate) ~~SS~~ Test pulse rate = 5 x Test pulse width Output data Contact type 8 enabling current paths 1 signaling current path Contact material AgSnO2 Minimum switching voltage 5 V AC/DC ~~[_—]~~ Maximum switching voltage 250 V AC/DC (Observe the load curve) 01/09/2017 Page 2 / 7 https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 ## Technical data ## Output data |Limiting continuous current|6 A (N/O contact, pay attention to the derating)| |---|---| ||6 A (N/C contact)| |Inrush current, minimum|10 mA| |Maximum inrush current|20 A (Δt 100 ms)| |Sq. Total current|50 A<br>2(observe derating)| |Interrupting rating (ohmic load) max.|144 W (24 V DC, τ = 0 ms)| ||288 W (48 V DC, τ = 0 ms)| ||110 W (110 V DC, τ = 0 ms)| ||88 W (220 V DC, τ = 0 ms)| ||1500 VA (250 V AC, τ = 0 ms)| |Maximum interrupting rating (inductive load)|42 W (24 V DC, τ = 40 ms)| ||42 W (48 V DC, τ = 40 ms)| ||42 W (110 V DC, τ = 40 ms)| ||42 W (220 V DC, τ = 40 ms)| |Switching capacity min.|50 mW| |Output fuse|10 A gL/gG (N/O contact)| ||6 A gL/gG (N/C contact)| |General|| |Relay type|Electromechanical relay with forcibly guided contacts in accordance with<br>EN 50205| |Mechanical service life|10 x 10<br>6cycles| |Nominal operating mode|100% operating factor| |Net weight|429 g| |Mounting type|DIN rail mounting| |Mounting position|any| |Degree of protection|IP54| ||IP20| |Min. degree of protection of inst. location|IP54| |Control|one and two channel| |Housing material|PBT| |Housing color|yellow| |Connection data|| |Connection method<br>Screw connection<br>pluggable<br>Yes<br>Conductor cross section solid min.<br>0.2 mm²<br>Conductor cross section solid max.<br>2.5 mm²<br>Conductor cross section flexible min.<br>0.2 mm²<br>Conductor cross section flexible max.<br>2.5 mm²<br>Conductor cross section AWG min.<br>24<br>Conductor cross section AWG max.<br>12<br>~~=>~~|| ||01/09/2017 Page 3 / 7| https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 ## Technical data ## Connection data Stripping length 7 mm Screw thread M3 Safety-related characteristic data Stop category 0 Designation IEC 61508 - High demand Safety Integrity Level (SIL) 3 Designation IEC 61508 - Low demand Safety Integrity Level (SIL) 3 Designation EN ISO 13849 Performance level (PL) e Category 4 Designation EN 62061 Safety Integrity Level Claim Limit (SIL CL) 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 Basic insulation 4 kV: between all current paths and housing Safe isolation, reinforced insulation 6 kV: Rated surge voltage/insulation between A1/A2 and 63/64, 73/74, 83/84 between S10/S11/S12/S33/S34/S35 and 63/64, 73/74, 83/84 between 63/64, 73/74, 83/84 among one another Degree of pollution 2 Overvoltage category III Vibration (operation) 10 Hz ...150 Hz, 2g Conformance CE-compliant Environmental Product Compliance China RoHS Environmentally Friendly Use Period = 50 For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” ~~==[=]~~ Drawings 01/09/2017 Page 4 / 7 https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 **==> picture [61 x 9] intentionally omitted <==** **----- Start of picture text -----**<br> Circuit diagram<br>**----- End of picture text -----**<br> **==> picture [352 x 378] intentionally omitted <==** **----- Start of picture text -----**<br> A1 S35 S10 S11S12 13 23 33 43 53 63 73 83 91<br>K1<br>=<br>Logic K2<br>ee<br>A2 S33 S34 S21 S22 14 24 34 44 54 64 74 84 92<br>Circuit diagram<br>L+<br>(L1)<br>Light grid type 4<br>Receiver<br>OSSD1 OSSD2<br>A1 S10 S11 S12 S21 S22 13 23 33 43 53 63 73 83 91 K3<br>( ) ( ) ( ) (GND) ( )<br>PSR-ESAM4/8x1/1x2<br>(+) ( ) ( ) a<br>A2 S33 S34 S35 14 24 34 44 54 64 74 84 92 K4<br>M<br>Reset K3 K4<br>S2<br>K4 K3<br>M<br>(N)<br>Transmitter<br>**----- End of picture text -----**<br> Light grid monitoring ## Classifications ## eCl@ss |eCl@ss 4.0|27371102| |---|---| |eCl@ss 4.1|27371102| |eCl@ss 5.0|27371901| |eCl@ss 5.1|27371901| |eCl@ss 6.0|27371819| |eCl@ss 7.0|27371819| |eCl@ss 8.0|27371819| |eCl@ss 9.0|27371819| 01/09/2017 Page 5 / 7 https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 ## Classifications |Classifications|Classifications| |---|---| |ETIM<br>ETIM 3.0<br>EC001449<br>ETIM 4.0<br>EC001449<br>ETIM 5.0<br>EC001449<br>ETIM 6.0<br>EC001449<br>~~_eat“=EEE~~|| |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 / Functional Safety / EAC / EAC / cUL Listed / cULus Listed Ex Approvals ## Approval details UL Listed http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324 Functional Safety 01/205/5363.01/16 ~~oe~~ EAC 7500651.22.01.00244 EAC EAC-Zulassung ~~oo~~ 01/09/2017 Page 6 / 7 https://www.phoenixcontact.com/gb/products/2963912 ## Safety relays - PSR-SCP- 24UC/ESAM4/8X1/1X2 - 2963912 Approvals cUL Listed http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 140324 ~~oo~~ cULus Listed ~~———~~ Phoenix Contact 2017 © - all rights reserved http://www.phoenixcontact.com 01/09/2017 Page 7 / 7
Updated at June 5, 2026
Phoenix Contact is a global leader in industrial connection technology, automation systems, and electronic interface solutions. With decades of engineering heritage originating in Germany, the company develops robust components designed to ensure reliable power, data, and signal transmission across demanding manufacturing and industrial environments. The cornerstone of the Phoenix Contact portfolio is its industry-leading selection of connection technologies. The range features an exceptional variety of terminal blocks, including pluggable headers and sockets, highly reliable wire-to-board solutions, and versatile DIN rail terminal blocks. These foundational connectivity components are supported by a comprehensive ecosystem of power distribution blocks, interface modules, marking systems, and accessories engineered for seamless control cabinet wiring. Beyond physical connectivity, Phoenix Contact provides critical components for advanced automation, control, and system protection. The wider offering encompasses a broad spectrum of process controllers, high-efficiency AC/DC converters, and a comprehensive suite of power, safety, and solid-state relays. From precision signal converters and electronic circuit breakers to fiber optic cable assemblies, Phoenix Contact equips engineers with the high-performance technologies required to build secure, highly efficient, and future-ready industrial systems.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →