MJN3C-DC24

RELAY, 3PDT, 240VAC, 28VDC, 10A

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: OMRON INDUSTRIAL AUTOMATION
Product type: Power Relays
Contact Configuration:3PDT; Coil Voltage:24VDC; Contact Current:10A; Product Range:MJN Series; Relay Mounting:Socket; Coil Type:Non Latching; Contact Voltage VAC:240V; Relay Terminals:Qui
Coil Type: Non Latching
Coil Voltage: 24VDC
Product Range: MJN Series
Relay Mounting: Socket
Coil Resistance: 72ohm
Contact Current: 10A
Relay Terminals: Quick Connect
Contact Material: Silver Alloy
Contact Voltage VAC: 240V
Contact Voltage VDC: 28V
Contact Configuration: 3PDT

Delivery and price
Units per pack	100
Price	19.2 €
Current stock	10+
Lead time	30 days

Datasheet

## **General Purpose Relay MJN** 

## **Relay with Plug-in Termination, available in SPDT, DPDT or 3PDT models** 

- Rugged power driver offers superior 3/16” through-air and 3/8 over-surface spacing 

- Interlocked frame and contact block prevent contact misalignment during plug-in 

- Available with dust covers, indicator lamps and push-to-operate buttons 

- UL and CSA recognition as motor controllers up to 600 VAC 

- Recognized for 1/2 hp motor control applications at 240/ 480/600 VAC (1/3 hp at 120 VAC) 

**==> picture [53 x 19] intentionally omitted <==**

**----- Start of picture text -----**<br>
R C<br>**----- End of picture text -----**<br>


## **Orderin Information g** 

To Order: Select part number and add the desired coil voltage rating (e.g. MJN1C-AC24). 

|**Item**<br>~~a~~|~~ee~~|~~ee~~|**Model**<br>~~ee ee~~|~~ee~~|~~ee~~||
|---|---|---|---|---|---|---|
|**Type**<br>~~a~~|**Terminal**<br>~~ee~~|**Contact form**<br>~~ee~~<br>~~es~~|**10A Version,**<br>**flange**<br>**mounting**<br>~~ee ee~~<br>~~es~~|**20 A Version,**<br>**flange**<br>**mounting**<br>~~ee~~|**30A Version,**<br>**flange**<br>**mounting**<br>~~ee~~|**10 A Relay only**|
|Standard<br>~~a~~|Plug-in<br>~~ee ~~|SPDT<br> ~~ee~~<br>~~es~~<br>~~es ee~~|**MJN1CF**<br>~~ee ee~~<br>~~es~~<br>~~ee ee~~|---<br>~~ee~~<br>~~ee~~|**MJN1Z-E-RP**<br>~~ee~~|**MJN1C**|
|||DPDT<br>~~es ~~<br>~~es ee~~<br>~~es~~|**MJN2CF**<br> ~~es~~<br>~~ee ee~~<br>~~es~~|**MJN2CE**<br>~~ee~~|---|**MJN2C**|
|||3PDT<br>~~es ee~~<br>~~es~~<br>~~rs~~|**MJN3CF**<br>~~ee ee~~<br>~~es~~<br>~~es~~|---<br>~~ee~~|---|**MJN3C**|
|LED indicator|Plug-in|SPDT<br>~~es~~<br>~~rs~~<br>~~es ee~~|**MJN1CF-N***<br>~~es~~<br>~~es~~<br>~~ee ee~~|---<br>~~ee~~|---|**MJN1C-N**|
|||DPDT<br>~~rs~~<br>~~es ee~~<br>~~es~~|**MJN2CF-N***<br>~~es~~<br>~~ee ee~~<br>~~es~~|---<br>~~ee~~|---|**MJN2C-N**|
|||3PDT<br>~~es ee~~<br>~~es~~<br>~~rs~~|**MJN3CF-N***<br>~~ee ee~~<br>~~es~~<br>~~es~~|---<br>~~ee~~|---|**MJN3C-N**|
|Push-to-operate<br>button|Plug-in|SPDT<br>~~es~~<br>~~rs~~<br>~~es ee~~|**MJN1CF-I***<br>~~es~~<br>~~es~~<br>~~ee ee~~|---<br>~~ee~~|---|**MJN1C-I**|
|||DPDT<br>~~rs~~<br>~~es ee~~<br>~~es~~|**MJN2CF-I***<br>~~es~~<br>~~ee ee~~<br>~~es~~|---<br>~~ee~~|---|**MJN2C-I**|
|||3PDT<br>~~es ee~~<br>~~es~~<br>~~rs~~|**MJN3CF-I***<br>~~ee ee~~<br>~~es~~<br>~~es~~|---<br>~~ee~~|---|**MJN3C-I**|
|Push-to-operate<br>button & LED indi-<br>cator<br>~~Re~~|Plug-in|SPDT<br>~~es~~<br>~~rs~~<br>~~es ee~~|**MJN1CF-IN***<br>~~es~~<br>~~es~~<br>~~ee ee~~|---<br>~~ee~~|---|**MJN1C-IN**|
|||DPDT<br>~~rs~~<br>~~es ee~~<br>~~es~~|**MJN2CF-IN***<br>~~es~~<br>~~ee ee~~<br>~~es~~|---<br>~~ee~~|---|**MJN2C-IN**|
|||3PDT<br>~~es ee~~<br>~~es~~|**MJN3CF-IN***<br>~~ee ee~~<br>~~es~~|---<br>~~ee~~|---|**MJN3C-IN**|
|Latching<br>~~Re~~|Plug-in<br>~~Qs~~|DPDT<br>~~es~~<br>~~Qs~~|---<br>~~es~~<br>~~QQ~~|---<br>~~QQ~~|---|**MJN2CK**|



**Note:** All part numbers marked with an “*” are non-standard parts. Contact an Omron representative for additional information. 

General Purpose Relay **MJN** 341 

■ **Contact Data** 

## **S ecifications p** 

**Configuration** SPDT, DPDT, 3PDT **Initial contact resistance** 50 mΩ max. **Materials** 3/16” diameter Ag-Alloy **Contact UL ratings 10 A** 10 amp @ 28 VDC and 120/240 VAC at 80% pf, 1/3 hp @ 120 VAC, 1/2 hp @ 277/240/480/600 VAC 8.5 FLA - 36 LRA at 18 VDC, 3 amp @ 480/600 VAC at 80% pf, 10 amp @ 277 VAC resistive **20 A** 20 amp @28 VDC and 120/240/277 VAC, 10 amp @ 480/600 VAC, 3.4 hp @ 120 VAC, 1-1/2 hp @ 240 VAC, 17 FLA - 65 LRA at 300VAC **30 A** 30 amp @ 28 VDC, 15 amp @ 480 / 600 VAC, 1hp @ 120 VAC, 1-1/2 hp @ 240 VAC ~~————~~ **UL recognized file number** E41643 ■ **Coil Data Non-latching - AC Nominal Resistance in Ohms** ± **10% Nominal coil power Coil Insulation Pick up voltage at voltage 1 & 2 PDT 3PDT 1 & 2 PDT 3PDT voltages resistance 25** ° **C (77** ° **F)** 6 VAC 6.0 4.2 1.7 VA 2.0 VA 6 to 240 VAC 1,000 MΩ 85% of nominal 12 VAC 21 18 50/60 Hz min. @ 500 VDC 24 VAC 75 72 120 VAC 2,250 1,700 240 VAC 9,100 7,200 ~~===nnne~~ **Non-latching - DC Nominal Resistance in Ohms** ± **10% Nominal coil power Coil Insulation Pick up voltage at voltage voltages resistance 25** ° **C (77** ° **F)** 5 VDC 20 1.2 W 5 to 110 VDC 1,000 MΩ 75% of nominal min. @ 500 6 VDC 32 VDC 12 VDC 120 24 VDC 470 48 VDC 1,800 110 VDC 10,000 **Latching - AC Nominal Latch coil Unlatch coil Nominal coil power Coil Insulation Operate voltage** ~~a~~ **voltage resistance in resistance in voltages resistance (latch/unlatch) at 25** ° **C (77** ° **F) Ohms** ± **10% Ohms** ± **10% (see note)** 6 VAC 5.5 105 1.7 VA 2.0 VA 6 to 240 VAC 1,000 MΩ 85% of nominal 12 VAC 22 445 50/60 Hz min. @ 500 VDC 24 VAC 88 1,740 120 VAC 2,090 17,430 ~~===.~~ **Note:** 120% of nominal or greater (one second duration single pulse) unlatch voltage - - above this the relay latches again. Maximum continuous voltage: 120% of nominal (one coil only). 

General Purpose Relay **MJN** 

342 

## **Latching - DC** 

|**Latching - DC**|**Latching - DC**||||||
|---|---|---|---|---|---|---|
|**Nominal**<br>**voltage**|**Latch coil**<br>**resistance in**<br>**Ohms**±**10%**|**Unlatch coil**<br>**resistance in**<br>**Ohms**±**10%**|**Nominal coil power**|**Coil**<br>**voltages**|**Insulation**<br>**resistance**|**Operate voltage**<br>**(latch/unlatch) at 25**°**C (77**°**F)**<br>**(see note)**|
|5 VDC|14|45|1.2 W|5 to 110 VDC|1,000 MΩ<br>min. @ 500<br>VDC|75% of nominal|
|6 VDC|20|64|||||
|12 VDC|80|275|||||
|24 VDC|330|1,070|||||
|48 VDC|1,290|2,850|||||
|110 VDC|5,125|10,750|||||



**Note:** 120% of nominal or greater (one second duration single pulse) unlatch voltage - - above this the relay latches again. Maximum continuous voltage: 120% of nominal (one coil only). 

## ■ **Characteristics** 

|■**Characteristics**|■**Characteristics**|■**Characteristics**||
|---|---|---|---|
|**Operate time**|||15 ms nominal; 20 ms maximum|
|**Release time**|||6 ms nominal; 10 ms maximum|
|**Latch time**|||13 ms nominal with a one second pulse of nominal voltage (See note)|
|**Unlatch time**|||13 ms nominal with a one second pulse of nominal unlatch voltage after latching with<br>a one second pulse of nominal latchingvoltage (See note)|
|**Operating**<br>**ambient**<br>**temperature**|**AC: 1 & 2 pole**|**Operating**|-45°to 60°C (-49°to 140°F)|
|||**Storage**|-65°to 100°C (-85°to 212°F)|
||**AC: 3 pole**|**Operating**|-45°to 45°C (-49°to 113°F)|
|||**Storage**|-65°to 100°C (-85°to 212°F)|
||**DC: 1, 2 & 3**<br>**pole**|**Operating**|-45°to 70°C (-49°to 158°F)|
|||**Storage**|-65°to 100°C (-85°to 212°F)|
|**Insulation material**|||High qualityphenolic|
|**Duty cycle**|||Rated for continuous dutyoperation at 25% overvoltage|
|**Shock**|||15g’s 11±1 ms (non-operatingtest, no mechanical damage)|
|**Vibration**|||0.1” DA or 10g’s, 10 to 55 Hz (operatingtest, no contact chatter)|
|**Life expectancy**||**Electrical at**<br>**rated load**|100,000 operations|
|||**Mechanical**|10,000,000 operations|
|**Dielectric strength**|||Greater than 750 VAC, RMS 60 Hz across open contacts<br>Greater than 2,500 VAC, RMS 60 Hz all other mutuallyinsulated elements|
|**Terminals**|||Quick Connect|
|**Weight**|||64 g (2.3 oz) open relay<br>54g(3.0 oz) enclosed relay|



**Note:** A latch pulse of 50 ms minimum at nominal voltage is recommended to insure positive latching. 

General Purpose Relay **MJN** 343 

**Terminal Arrangement** 

## ■ **Non-Latching** 

Reference only 

**==> picture [244 x 94] intentionally omitted <==**

**----- Start of picture text -----**<br>
2 1 2<br>5 3 4<br>7 5 6<br>A B A B<br>1 Form C (SPDT) 2 Form C (DPDT)<br>**----- End of picture text -----**<br>


**==> picture [67 x 94] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 2 3<br>4 5 6<br>7 8 9<br>A B<br>3 Form C (3PDT)<br>**----- End of picture text -----**<br>


## ■ **Latching / Unlatching** 

**==> picture [279 x 132] intentionally omitted <==**

**----- Start of picture text -----**<br>
2 1 3<br>5 4 6<br>C* C* 8<br>7 9 7 9<br>A B A B<br>UNLATCH                    LATCH  UNLATCH                    LATCH<br>1 Form C (SPDT) 2 Form C (DPDT)<br>**----- End of picture text -----**<br>


* C denoted common connection. On 3-pole relays the common connection is a wire lead coming off of the coil. It is not terminated to the relay header. Consult your Omron representative for single coil or isolated double coil models. 

General Purpose Relay **MJN** 

344 

## **Dimensions** 

Unit: mm (inch) 

## ■ **Relays** 

## **MJN** @ **CF/MJN2CE** 

## **Dust cover MJN** 

**==> picture [443 x 500] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dust cover with mounting flanges<br>35.56 15.74 19.05<br>(1.400)max. (0.62)15.74 (0.62) (0.75) (0.31)7.87<br>1.77<br>(0.07)<br>9.53 73.66<br>(0.38) (2.90) max.<br>48.38<br>63.50 48.38 (1.905) max.<br>(2.50) (1.905)<br>max.<br>1.52<br>(0.06) 38.73 35.56 38.73 7.11<br>peer) (1.525) 7.11 al (1.400) max. pee (1.525) max. s (0.28)<br>2.03 max. (0.28)<br>(0.08) 0) og<br>Typ. 2 10.54<br>(0.415)<br>■ Terminal-10 Amp Version ■ Hold Down Springs<br>(0.187)4.75 (0.078)1.98 C<br>6.35<br>(0.250) 0.51<br>(0.020)<br>La i o e<br>A<br>3.18 B<br>7.11 (0.125)<br>(0.280) ref.<br>Note: Mates with .187” UL standard quick-connect o e<br>al l i<br>terminals; also suitable for solder connection.<br>Hold Down Springs Dimensional Reference chart<br>Reference Actual<br>■ Terminal-20 and 30 Amp Versions Part number dimension dimension<br>A 58.67 (2.31)<br>6.35± .05± .0505 PYMJN-PCB B 53.82 (2.12)<br>(.25± .002)± .002)002)<br>0.81± .07± .0707 C 37.08 (1.46)<br>(.032±±<br>.003) A 58.67 (2.31)<br>PYMJN-S B 53.59 (2.11)<br>8.00 C 40.26 (1.59)<br>**----- End of picture text -----**<br>


**==> picture [189 x 102] intentionally omitted <==**

**----- Start of picture text -----**<br>
6.35± .05± .0505<br>(.25± .002)± .002)002)<br>0.81± .07± .0707<br>(.032±±<br>.003)<br>8.00<br>(.315)<br>3.17 dia.<br>(.125 dia.)<br>**----- End of picture text -----**<br>


General Purpose Relay **MJN** 345 

## ■ **Sockets (for use with 10 Amp, non-flange mount versions)** 

## **PTF11PC** 

**==> picture [124 x 290] intentionally omitted <==**

**----- Start of picture text -----**<br>
39.37<br>(1.55)<br>38.10<br>(1.50)<br>3.96<br>l eet |<br>(0.156)<br>8.04<br>m ai (0.317) a<br>43.26<br>(1.70)<br>9.91<br>(0.39)<br>an<br>eaTm e e a<br>**----- End of picture text -----**<br>


**==> picture [207 x 165] intentionally omitted <==**

**----- Start of picture text -----**<br>
6 5 4<br>6 5 4<br>76.20<br>(3.0)<br>= =|<br>B A<br>9 8 7<br>26.16<br>(1.03) — |<br>**----- End of picture text -----**<br>


## **PTF21PC** 

**==> picture [125 x 279] intentionally omitted <==**

**----- Start of picture text -----**<br>
41.61<br>(1.638)<br>39.95<br>(1.573)<br>3.96<br>a =<br>(0.156) typ.<br>8.04<br>oH (0.317)<br>48.08<br>(1.893)<br>7.94<br>(0.313)<br>e o ean<br>**----- End of picture text -----**<br>


**==> picture [210 x 166] intentionally omitted <==**

**----- Start of picture text -----**<br>
6 5 4<br>3 2 1<br>79.91<br>(3.146)<br>+ \c<br>B A<br>9 8 7<br>22.35<br>(0.880) |<br>**----- End of picture text -----**<br>


General Purpose Relay **MJN** 

346 

**==> picture [454 x 260] intentionally omitted <==**

**----- Start of picture text -----**<br>
PTFPCB<br>2.29<br>4.19 (0.090) 3.96<br>(0.165) dia. 3.68 4.57 (0.156)<br>(0.145) (0.180)<br>5.54<br>(0.218)<br>9.94<br>(0.39)<br>42.85<br>(2.03)51.56 (1.687)42.85 (0.036)0.91 (1.687) (0.844)21.44<br>“a<br>13.87<br>(0.546)<br>a . :<br>- 1.93<br>3.45 (0.435)11.05 (0.076) dia.<br>22.10 - .r (0.136) E 22.10 -T<br>(0.870) (0.870)<br>38.10<br>(1.50)<br>Sp c lt<br>1.40 8.05<br>(0.055) (0.317)<br>+a or<br>**----- End of picture text -----**<br>


## **PTF11QDC** 

**==> picture [196 x 266] intentionally omitted <==**

**----- Start of picture text -----**<br>
4.19<br>(0.165) dia. 9.52<br>(0.375)<br>3.18<br>(0.125)<br>51.56 42.85 31.75<br>(2.030) (1.687) (1.250)<br>22.10 8.64<br>(0.870) (0.340)<br>38.10<br>(1.50)<br>7.54<br>ot (0.297) t<br>=<br>3.30<br>(0.130)<br>34.93<br>(1.375)<br>tt<br>**----- End of picture text -----**<br>


General Purpose Relay **MJN** 347 

**All sales are subject to Omron Electronic Components LLC standard terms and conditions of sale, which can be found at http://www.components.omron.com/components/web/webfiles.nsf/sales_terms.html** ~~pt~~ **ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.** To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. ~~pT~~ 

**OMRON ON-LINE** Global - http://www.omron.com USA - http://www.components.omron.com 

**OMRON ELECTRONIC COMPONENTS LLC** 55 E. Commerce Drive, Suite B Schaumburg, IL 60173 **847-882-2288** 

Printed in USA 

Cat. No. X301-E-1b 09/11            Specifications subject to change without notice 

General Purpose Relay **MJN**

Updated at June 10, 2026

With a legacy spanning over 80 years, Omron Industrial Automation is a globally recognized leader in the manufacture of advanced industrial control and automation components. Renowned for their reliability and engineering excellence, Omron delivers comprehensive solutions that enhance efficiency, machine safety, and precision across a wide range of manufacturing environments. Our extensive portfolio of Omron products is heavily focused on their industry-leading sensing and switching technologies. We offer a vast selection of sensors, excelling specifically in high-performance proximity sensors, light sensors, and temperature sensors. Complementing this range are robust switching solutions, featuring a deep inventory of power relays, solid-state relays, safety relays, and essential relay accessories designed for demanding operational requirements. Beyond sensing and switching, Omron is highly regarded for its precision automation and process control equipment. Our selection features highly accurate temperature controllers, versatile process controllers, and sophisticated panel displays and instrumentation. To support these fundamental systems, we also supply dependable Omron power supplies, notably AC/DC converters, alongside vital connectivity components like DIN rail terminal blocks to ensure secure, efficient, and complete industrial setups.

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 540,000+ 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 →