2902974

## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

2902974 

https://www.phoenixcontact.com/pc/products/2902974 

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 documentation. Our general terms of use for downloads are valid. 

Input solid-state relay, with DC voltage output push-pull, transmission frequency: 100 kHz, with light indicator and protective circuit in input and output circuits, input: 24 V DC, output: 14 - 30 V DC/50 mA 

## Commercial data 

|Item number|2902974|
|---|---|
|Packing unit|1 pc|
|Minimum order quantity|1 pc|
|Product key|DK62A3|
|GTIN|4046356702782|
|Weight per piece (including packing)|34.9 g|
|Weight per piece (excluding packing)|32.86 g|
|Customs tariff number|85364190|
|Country of origin|DE|



## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

2902974 

https://www.phoenixcontact.com/pc/products/2902974 

## Technical data 

## Product properties 

|Product type|Solid-state relay module|
|---|---|
|Product family|PLC-INTERFACE|
|Application|100 kHz input optocoupler|
|Operating mode|100% operating factor|



Insulation characteristics: Air clearances and creepage distances between the power circuits 

|Insulation|Basic insulation|
|---|---|
|Overvoltage category|II|
|Pollution degree|2|
|Data management status||
|Date of last data management|13.01.2026|



## Electrical properties 

|ectrical properties||
|---|---|
|Maximum power dissipation for nominal condition|0.19 W|
|Test voltage (Input/output)|2.5 kVrms(50 Hz, 1 min., input/output)|
|Air clearances and creepage distances between the power circuits||
|Rated insulation voltage|50 V DC|
|Rated surge voltage|0.5 kV|



## Input data 

Nominal input voltage UN Input voltage range in reference to UN Input voltage range 

Switching threshold "0" signal in reference to UN Switching threshold "1" signal in reference to UN Typical input current at UN Typical response time Typical turn-off time Operating voltage display Protective circuit 

Surge voltage protection Transmission frequency 

24 V DC 0.8 ... 1.2 19.2 V DC ... 28.8 V DC < 0.4 > 0.8 8 mA 1 µs 2 µs Yellow LED Reverse polarity protection Surge protection > 33 V 100 kHz 

## Output data 

Designation Output data Contact switching type 1 N/O contact Design of digital output electronic Output voltage range 14 V DC ... 30 V DC Limiting continuous current 50 mA 

Mar 27, 2026, 5:33�AM     Page 2 (7) 

## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

## 2902974 

https://www.phoenixcontact.com/pc/products/2902974 

|Quiescent current|15 mA|
|---|---|
|Surge voltage protection|> 35 V|
|Voltage drop at max. limiting continuous current|< 2.2 V|
|Output circuit|3-conductor push-pull, ground referenced|
|Protective circuit|Reverse polarity protection|
||Surge protection|



## Connection data 

|onnection data||
|---|---|
|Connection method|Push-in connection|
|Stripping length|10 mm|
|Conductor cross-section rigid|0.14 mm² ... 2.5 mm²|
|Conductor cross-section flexible|0.14 mm² ... 2.5 mm²|
||0.2 mm² ... 2.5 mm² (Single ferrule)|
||2x 0.5 mm² ... 1 mm² (TWIN ferrule)|
|Conductor cross-section AWG|26 ... 14|



## Dimensions 

|mensions||
|---|---|
|Width|6.2 mm|
|Height|80 mm|
|Depth|94 mm|



## Material specifications 

Color gray (RAL 7042) 

## Environmental and real-life conditions 

|nvironmental and real-life conditions||
|---|---|
|Ambient conditions||
|Degree of protection|IP20|
|Ambient temperature (operation)|-20 °C ... 60 °C|
|Ambient temperature (storage/transport)|-25 °C ... 75 °C|



## Approvals 

|pprovals||
|---|---|
|Corrosive gas test||
|Identification|ISA-S71.04. G3 Harsh Group|
||EN 60068-2-60|



## Standards and regulations 

Air clearances and creepage distances between the power circuits Standards/regulations IEC 60947-5-1 

## Mounting 

|ounting||
|---|---|
|Mounting type|DIN rail mounting|
|Assembly note|in rows with zero spacing|
|Mounting position|any|



Mar 27, 2026, 5:33�AM     Page 3 (7) 

## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

2902974 

https://www.phoenixcontact.com/pc/products/2902974 

## Drawings 

**==> picture [412 x 228] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit diagram<br>A<br>A1<br>+<br>0<br>A2 +<br>–<br>A2 +<br>–<br>**----- End of picture text -----**<br>


Mar 27, 2026, 5:33�AM     Page 4 (7) 

## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

2902974 

https://www.phoenixcontact.com/pc/products/2902974 

## Approvals 

To download certificates, visit the product detail page: https://www.phoenixcontact.com/pc/products/2902974 

 cULus Listed Approval ID: E140324 

 

cULus Listed Approval ID: E140324 

Mar 27, 2026, 5:33�AM     Page 5 (7) 

## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

2902974 

https://www.phoenixcontact.com/pc/products/2902974 

## Classifications 

|ECLASS|ECLASS||
|---|---|---|
||ECLASS-13.0|27371604|
||ECLASS-15.0|27371604|
|ETIM|||
||ETIM 10.0|EC001504|
|UNSPSC|||
||UNSPSC 21.0|39122300|



Mar 27, 2026, 5:33�AM     Page 6 (7) 

## PLC-OPT- 24DC/24DC/100KHZ-G - Solid-state relay module 

2902974 

https://www.phoenixcontact.com/pc/products/2902974 

## Environmental product compliance 

EU RoHS Fulfills EU RoHS substance requirements Yes Exemption 7(a), 7(c)-I China RoHS Environment friendly use period (EFUP) EFUP-50 

An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required. 

EU REACH SVHC REACH candidate substance (CAS No.) Lead(CAS: 7439-92-1) SCIP ae848b7f-347e-49fa-9871-b9d3fd082dfb 

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Mar 27, 2026, 5:33�AM     Page 7 (7)