2961383
Power Relay, SPDT, 18 VDC, 3 A, REL-MR Series, Through Hole
- Manufacturer: PHOENIX CONTACT
- Product type: Power Relays
- SVHC: No SVHC (04-Feb-2026)
- Coil Type: -
- Coil Voltage: 18VDC
- Product Range: REL-MR Series
- Relay Mounting: Through Hole
- Coil Resistance: 1.906kohm
- Contact Current: 3A
- Relay Terminals: Solder
- Contact Material: Silver Tin Oxide
- Contact Voltage VAC: 250V
- Contact Voltage VDC: 250V
- Contact Configuration: SPDT
| Delivery and price | |
|---|---|
| Units per pack | 50 |
| Price | 6.81 € |
| Current stock | 10+ |
| Lead time | 30 days |
https://www.phoenixcontact.com/us/products/2961383 ## Single relay - REL-MR- 18DC/21 - 2961383 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) Plug-in miniature power relay, with power contact, 1 PDT, input voltage 18 V DC The illustration shows the version REL-MR- 24DC/21 ## Why buy this product - Safe isolation according to DIN EN 50178 between coil and contact - High degree of protection up to RT III depending on type (wash-proof) - Power contacts up to 6 A ## Key Commercial Data |Packing unit|1 STK| |---|---| |Minimum order quantity|10 STK| |Weight per Piece (excluding packing)|6.68 g| |Custom tariff number|85364190| |Country of origin|Czech Republic| ## Technical data ## Dimensions |Width|5 mm| |---|---| |Height|28 mm| |Depth|15 mm| |Ambient conditions|| |Ambient temperature (operation)|-40 °C ... 85 °C| |Ambient temperature (storage/transport)|-40 °C ... 85 °C| ## Ambient conditions 07/18/2016 Page 1 / 6 https://www.phoenixcontact.com/us/products/2961383 ## Single relay - REL-MR- 18DC/21 - 2961383 ## Technical data ## Coil side |Coil side|| |---|---| |Nominal input voltage UN|18 V DC| |Typical input current at UN|9 mA| |Typical response time|5 ms| |Typical release time|2.5 ms| |Coil resistance|1906 Ω ±10 % (at 20 °C)| |Power dissipation for nominal condition|0.16 W| ## Contact side ||Contact type|1 PDT| |---|---|---| ||Contact material|AgSnO| ||Maximum switching voltage|250 V AC/DC| ||Minimum switching voltage|5 V (at 100 mA)| ||Min. switching current|10 mA (at 12 V)| ||Maximum inrush current|10 A (4 s)| ||Limiting continuous current|6 A| ||Interrupting rating (ohmic load) max.|140 W (at 24 V DC)| |||20 W (at 48 V DC)| |||18 W (at 60 V DC)| |||23 W (at 110 V DC)| |||40 W (at 220 V DC)| |||1500 VA (for 250 V AC)| ||Switching capacity in acc. with DIN VDE 0660/IEC 60947|2 A (at 24 V, DC13)| |||0.2 A (at 110 V, DC13)| |||0.1 A (at 220 V, DC13)| |||3 A (at 24 V, AC15)| |||3 A (at 120 V, AC15)| |||3 A (at 230 V, AC15)| |General||| |Operating mode<br>Degree of protection<br>Mechanical service life<br>Standards/regulations<br>Degree of pollution<br>Overvoltage category<br>Standards and Regulations<br>~~=~~||07/18/2016 Page 2 / 6<br>100% operating factor<br>RT III (wash-proof)<br>2 x 10<br>7cycles<br>IEC 60664<br>EN 50178<br>IEC 62103<br>3<br>III<br>~~=—~~| https://www.phoenixcontact.com/us/products/2961383 ## Single relay - REL-MR- 18DC/21 - 2961383 ## Technical data ## Standards and Regulations |Connection in acc. with standard|CUL| |---|---| |Standards/regulations|IEC 60664| ||EN 50178| ||IEC 62103| |Degree of pollution|3| |Overvoltage category|III| ## Drawings ## Drilling diagram **==> picture [173 x 284] intentionally omitted <==** **----- Start of picture text -----**<br> 1 1,3 1,9<br>i<br>CeCe A TT<br>FEC eet<br>(6 HIEEEEEEEe eee<br>CUCL CL<br>tore eer er HOt<br>Diagram<br>20<br>es es OeOO |<br>10<br>pd] | TT<br>6<br>4 1<br>§ 2 FEE<br>> 1 | INii<br>2 0,5 2<br>a 0,3<br>0,2 es a<br>0,1 ee eeeee<br>10 20 30 50 70 100 200 300<br>1 AC, ohmic load Switching voltage [V]<br>2 DC, ohmic load<br>1,2<br>**----- End of picture text -----**<br> a = pitch division 1.25 mm and 1.27 mm Diagram **==> picture [171 x 133] intentionally omitted <==** **----- Start of picture text -----**<br> U<br>UN 3<br>2,5<br>NN<br>Pe A<br>2 TTP<br>mee<br>aq<br>oN<br>1,51 TTT<br>B<br>0,5 TTAHet Lt Ee[| |<br>0 10 20 30 40 50 60 70 80 90 100<br>TU [°C]<br>**----- End of picture text -----**<br> Dimensional drawing **==> picture [177 x 83] intentionally omitted <==** **----- Start of picture text -----**<br> tt 28 ty 5<br>15<br>3,5<br>**----- End of picture text -----**<br> Interrupting rating 07/18/2016 Page 3 / 6 https://www.phoenixcontact.com/us/products/2961383 ## Single relay - REL-MR- 18DC/21 - 2961383 Circuit diagram **==> picture [118 x 5] intentionally omitted <==** **----- Start of picture text -----**<br> A2 A1 12 11 14<br>**----- End of picture text -----**<br> ## Classifications ## eCl@ss eCl@ss 4.0 27371104 eCl@ss 4.1 27371104 eCl@ss 5.0 27371001 eCl@ss 5.1 27371001 eCl@ss 6.0 27371001 eCl@ss 7.0 27371001 eCl@ss 8.0 27371601 eCl@ss 9.0 27371601 ETIM ETIM 2.0 EC000196 ETIM 3.0 EC000196 ETIM 4.0 EC000196 ETIM 5.0 EC001437 ~~===~~ UNSPSC UNSPSC 6.01 30211916 UNSPSC 7.0901 39121515 UNSPSC 11 39121515 UNSPSC 12.01 39121515 UNSPSC 13.2 39121515 ~~SS~~ Approvals ## Approvals ## Approvals UL Recognized / VDE Zeichengenehmigung / cUL Recognized / EAC / UL Recognized / cUL Recognized / VDE approval of drawings / cULus Recognized 07/18/2016 Page 4 / 6 https://www.phoenixcontact.com/us/products/2961383 ## Single relay - REL-MR- 18DC/21 - 2961383 ## Approvals Ex Approvals Approvals submitted ## Approval details UL Recognized VDE Zeichengenehmigung cUL Recognized EAC ~~PT~~ UL Recognized ~~CT~~ cUL Recognized ~~PT~~ VDE approval of drawings ~~PT~~ cULus Recognized ## Accessories Additional products 07/18/2016 Page 5 / 6 https://www.phoenixcontact.com/us/products/2961383 ## Single relay - REL-MR- 18DC/21 - 2961383 ## Accessories Relay socket - PLC-BSP- 24DC/21RW - 2961396 range from 0.7 x UNN to 1.25 x UN, temperature range from -25°C to +70°C, 1 PDT, input voltage 24 V DC ~~Se~~ Relay socket - PLC-BPT- 24DC/21RW - 2900261 6.2 mm PLC basic terminal block for railway applications with spring-cage connection, without relay or solid-state relay, range from 0.7 x UNN to 1.25 x UN, temperature range from -25°C to +70°C, 1 PDT, input voltage 24 V DC 6.2 mm PLC basic terminal block for railway applications with push-in connection, without relay or solid-state relay, range from 0.7 x UN to 1.25 x UN, temperature range from -25°C to +70°C, 1 PDT, input voltage 24 V DC Phoenix Contact 2016 © - all rights reserved http://www.phoenixcontact.com 07/18/2016 Page 6 / 6
Updated at June 10, 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.
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