# DIN Rail Mount Terminal Block, Plug-in Block, 20 Ways, 24 AWG, 12 AWG, 2.5 mm², Screw, 12 A

![Product image](https://novapart.co/image/farnell:3240799/)

**URL**: https://novapart.co/products/1788295/din-rail-mount-terminal-block-plug-in-20-ways-24
**SKU**: 1788295
**Manufacturer**: PHOENIX CONTACT
**Category**: Connectors || Terminal Blocks & Accessories || DIN Rail Terminal Blocks
**Price**: €36.9200
**Stock**: 10+
**Lead Time**: 85 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| No. Of Levels | 1 |
| Product Range | COMBICON UMSTBVK |
| Rated Current | 12A |
| Rated Voltage | 320V |
| No. Of Positions | 20Ways |
| Wire Size Awg Max | 12AWG |
| Wire Size Awg Min | 24AWG |
| Conductor Area Csa | 2.5mm² |
| Wire Connection Method | Screw |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3240799/)

https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

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) 

DIN rail connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin, mounting: DIN rail 

The figure shows a 10-position version of the product 

## Your advantages 

Direct plug-in block with universal foot for mounting on NS 32 or NS 35 DIN rail Can be combined with the MSTB 2´,5 range 

## Key Commercial Data 

Packing unit 1 pc ~~a G~~ GTIN ~~AN CO~~ GTIN 4017918043353 ~~eG~~ Weight per Piece (excluding packing) 61.000 g Custom tariff number 85366990 ~~GO GO~~ Country of origin Germany 

## Technical data 

## Dimensions 

|Length [ l ]|34.5 mm|
|---|---|
|Width [ w ]|103.12 mm|
|Height [ h ]|42.5 mm|
|Pitch|5.08 mm|
|Dimension a|96.52 mm|



General 

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https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

## Technical data 

## General 

|Range of articles|UMSTBVK 2,5/..-G|
|---|---|
|Number of positions|20|
|Connection method|Screw connection with tension sleeve|
|Insulating material group|I|
|Rated surge voltage (III/3)|4 kV|
|Rated surge voltage (III/2)|4 kV|
|Rated surge voltage (II/2)|4 kV|
|Rated voltage (III/3)|320 V|
|Rated voltage (III/2)|320 V|
|Rated voltage (II/2)|630 V|
|Connection in acc. with standard|EN-VDE|
|Nominal current IN|12 A|
|Nominal cross section|2.5 mm²|
|Maximum load current|12 A|
|Insulating material|PA|
|Flammability rating according to UL 94|V0|
|Internal cylindrical gage|A3|
|Stripping length|7 mm|
|Screw thread|M3|
|Tightening torque, min|0.5 Nm|
|Tightening torque max|0.6 Nm|
|Connection data||
|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 flexible, with ferrule without plastic sleeve min.<br>0.25 mm²<br>Conductor cross section flexible, with ferrule without plastic sleeve max.<br>2.5 mm²<br>Conductor cross section flexible, with ferrule with plastic sleeve min.<br>0.25 mm²<br>Conductor cross section flexible, with ferrule with plastic sleeve max.<br>2.5 mm²<br>Conductor cross section AWG min.<br>24<br>Conductor cross section AWG max.<br>12<br>2 conductors with same cross section, solid min.<br>0.2 mm²<br>2 conductors with same cross section, solid max.<br>1 mm²<br>2 conductors with same cross section, stranded min.<br>0.2 mm²<br>2 conductors with same cross section, stranded max.<br>1.5 mm²<br>~~__~~||
||12/31/2018   Page 2 / 8|



https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

## Technical data 

## Connection data 

|2 conductors with same cross section, stranded, ferrules without plastic<br>sleeve, min.|0.25 mm²|
|---|---|
|2 conductors with same cross section, stranded, ferrules without plastic<br>sleeve, max.|1 mm²|
|2 conductors with same cross section, stranded, TWIN ferrules with plastic<br>sleeve, min.|0.5 mm²|
|2 conductors with same cross section, stranded, TWIN ferrules with plastic<br>sleeve, max.|1.5 mm²|
|Minimum AWG according to UL/CUL|30|
|Maximum AWG according to UL/CUL|12|



## Standards and Regulations 

|Connection in acc. with standard|EN-VDE|
|---|---|
||CSA|
|Flammability rating according to UL 94|V0|



## 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<br>“Manufacturer's declaration”|



## Drawings 

## Dimensional drawing 

**==> picture [149 x 102] intentionally omitted <==**

**----- Start of picture text -----**<br>
41 2,5<br>36 a+6,6<br>50,4 i 5,08<br>a<br>42,5<br>**----- End of picture text -----**<br>


## Classifications 

## eCl@ss 

|eCl@ss 4.0|eCl@ss 4.0|272607xx|
|---|---|---|
|eCl@ss 4.1|eCl@ss 4.1|27260701|
|eCl@ss 5.0|eCl@ss 5.0|27260701|
|eCl@ss 5.1|eCl@ss 5.1|27141100|



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https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

## Classifications 

|Classifications|Classifications|
|---|---|
|eCl@ss<br>eCl@ss 6.0<br>27141100<br>eCl@ss 7.0<br>27141106<br>eCl@ss 8.0<br>27141106<br>eCl@ss 9.0<br>27141106<br>~~_—S_———————~~||
|ETIM<br>ETIM 3.0<br>EC001121<br>ETIM 4.0<br>EC002637<br>ETIM 5.0<br>EC001284<br>ETIM 6.0<br>EC001284<br>~~_—S—————~~||
|UNSPSC||
|UNSPSC 6.01|30211810|
|UNSPSC 7.0901|39121409|
|UNSPSC 11|39121409|
|UNSPSC 12.01|39121409|
|UNSPSC 13.2|39121409|



## Approvals 

## Approvals 

## Approvals 

CSA / IECEE CB Scheme / VDE Gutachten mit Fertigungsüberwachung / EAC / cULus Recognized 

Ex Approvals 

## Approval details 

|CSA<br><br>http://www.csagroup.org/services-industries/product-listing/<br>13631|CSA<br><br>http://www.csagroup.org/services-industries/product-listing/<br>13631|CSA<br><br>http://www.csagroup.org/services-industries/product-listing/<br>13631|
|---|---|---|
||D|B|
|Nominal voltage UN|300 V|300 V|
|Nominal current IN|10 A|10 A|
|mm²/AWG/kcmil|28-12|28-12|



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https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

## Approvals 

|IECEE CB Scheme<br><br>http://www.iecee.org/<br>DE1-58978-B1B2|IECEE CB Scheme<br><br>http://www.iecee.org/<br>DE1-58978-B1B2|
|---|---|
|||
|Nominal voltage UN|250 V|
|Nominal current IN|12 A|
|mm²/AWG/kcmil|0.2-2.5|



||VDE Gutachten mit<br>Fertigungsüberwachung|||http://www2.vde.com/de/Institut/Online-Service/<br>VDE-gepruefteProdukte/Seiten/Online-Suche.aspx|http://www2.vde.com/de/Institut/Online-Service/<br>VDE-gepruefteProdukte/Seiten/Online-Suche.aspx|http://www2.vde.com/de/Institut/Online-Service/<br>VDE-gepruefteProdukte/Seiten/Online-Suche.aspx|40004701|
|---|---|---|---|---|---|---|---|
|||||||||
||Nominal voltage UN||||250 V|||
||Nominal current IN||||12 A|||
||mm²/AWG/kcmil||||0.2-2.5|||
|EAC<br><br>B.01742<br>~~oo~~||||||||
||cULus Recognized|||http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm|||E60425-19931014|
||||D|||B||
||Nominal voltage UN||300 V|||250 V||
||Nominal current IN||10 A|10 A||12 A||
||mm²/AWG/kcmil||30-12|||30-12||



## Accessories 

## Accessories 

## Bridge 

Insertion bridge - EBP 2- 5 - 1733169 

Insertion bridge, fully insulated, for connectors with 5.0 or 5.08 mm pitch, no. of positions: 2 

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https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

## Accessories 

## Coding element 

Coding star - CR-MSTB - 1734401 

Coding section, inserted into the recess in the header or the inverted plug, red insulating material ~~we~~ Filler plug Accessories - MSTB-BL - 1755477 

Keying cap, for forming sections, plugs onto header pin, green insulating material 

## Labeled terminal marker 

Marker card - SK 5,08/3,8:FORTL.ZAHLEN - 0804293 

Marker card, Card, white, labeled, Horizontal: consecutive numbers 1 ... 10, 11 ... 20, etc. up to 91 ... (99)100, mounting type: adhesive, for terminal block width: 5.08 mm, lettering field size: 5.08 x 3.8 mm 

## Screwdriver tools 

Screwdriver - SZS 0,6X3,5 - 1205053 

Actuation tool, for ST terminal blocks, insulated, also suitable for use as a bladed screwdriver, size: 0.6 x 3.5 x 100 mm, 2-component grip, with non-slip grip 

Additional products 

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https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

Accessories Printed-circuit board connector - MSTB 2,5/20-ST-5,08 - 1757190 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin ~~SS~~ Printed-circuit board connector - MSTBP 2,5/20-ST-5,08 - 1769191 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin ~~SO~~ Printed-circuit board connector - SMSTB 2,5/20-ST-5,08 - 1850592 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin ~~Or~~ Printed-circuit board connector - MVSTBR 2,5/20-ST-5,08 - 1792427 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin ~~re~~ Printed-circuit board connector - MVSTBW 2,5/20-ST-5,08 - 1792935 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin ~~We~~ 

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https://www.phoenixcontact.com/us/products/1788295 

## Plug-in block - UMSTBVK 2,5/20-G-5,08 - 1788295 

Accessories Printed-circuit board connector - FRONT-MSTB 2,5/20-ST-5,08 - 1777468 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Front screw connection, color: green, contact surface: Tin ~~Se~~ Printed-circuit board connector - MSTBC 2,5/20-ST-5,08 - 1808997 PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Crimp connection, color: green, Corresponding female crimp contacts with current [A] and conductor cross section range [mm²] data: 10A/MSTBC-MT 0,5-1,0 (3190564); 10A/MSTBC-MT 0,5-1,0 BA (3190645); 12A/MSTBC-MT 1,5-2,5 (3190551); 12A/MSTBC-MT 1,5-2,5 BA (3190658). BA = Bandkontakte 

Printed-circuit board connector - MSTBC 2,5/20-STZ-5,08 - 1809682 

PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 20, pitch: 5.08 mm, connection method: Crimp connection, color: green, Corresponding female crimp contacts with current [A] and conductor cross section range [mm²] data: 10A/MSTBC-MT 0,5-1,0 (3190564); 10A/MSTBC-MT 0,5-1,0 BA (3190645); 12A/MSTBC-MT 1,5-2,5 (3190551); 12A/MSTBC-MT 1,5-2,5 BA (3190658). BA = Bandkontakte 

Phoenix Contact 2018 © - all rights reserved http://www.phoenixcontact.com 

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## Links

- [View this product on Novapart](https://novapart.co/products/1788295/din-rail-mount-terminal-block-plug-in-20-ways-24)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/phoenix-contact/umstbvk-2-5-20-g-5-08/din-rail-tb-plug-in-block-20way/dp/3240799)
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