Image not available
Illustrative purposes only
1778001
Pluggable Terminal Block, 5.08 mm, 4 Ways, 24 AWG, 12 AWG, 2.5 mm², 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: Pluggable Terminal Blocks
- Pitch Spacing:5.08mm; No. of Positions:4Ways; Wire Size (AWG):24AWG to 12AWG; Conductor Area CSA:2.5mm²; Wire Connection Method:Screw; Rated Current:12A; Rated Voltage:320V; Produc
- SVHC: No SVHC (04-Feb-2026)
- Pitch Spacing: 5.08mm
- Product Range: MSTB
- Rated Current: 12A
- Rated Voltage: 320V
- Wire Size (AWG): 24AWG to 12AWG
- No. of Positions: 4Ways
- Wire Size AWG Max: 12AWG
- Wire Size AWG Min: 24AWG
- Conductor Area CSA: 2.5mm²
- Wire Connection Method: Screw
| Delivery and price | |
|---|---|
| Units per pack | 500 |
| Price | 2.11 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 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) PCB connector, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, connection method: Screw connection with tension sleeve, color: green, contact surface: Tin The figure shows a 10-position version of the product ## Your advantages Well-known connection principle allows worldwide use Low temperature rise, thanks to maximum contact force Screwable flange for superior mechanical stability Allows connection of two conductors Key Commercial Data > Packing unit ~~a~~ 1 pc GTIN ~~AR eG~~ GTIN 4017918039875 Weight per Piece (excluding packing) 7.970 g ~~eG a~~ Custom tariff number 85366990 ~~a~~ Country of origin ~~G~~ United States Technical data ## Dimensions **==> picture [307 x 65] intentionally omitted <==** **----- Start of picture text -----**<br> ||| |---|---| |Length [ l ]|18.3 mm| |Width [ w ]|30.33 mm| |Height [ h ]|15 mm| |Pitch|5.08 mm| |Dimension a|15.24 mm| **----- End of picture text -----**<br> 03/29/2019 Page 1 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Technical data ## General |General|| |---|---| |Range of articles|MSTB 2,5/..-STF| |Number of positions|4| |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)|250 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 (with a 2.5 mm² conductor cross section)| |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~~_~~|| ||03/29/2019 Page 2 / 11| https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## 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 |China RoHS|Environmentally Friendly Use Period = 50| |---|---| ||For details about hazardous substances go to tab “Downloads”, Category<br>“Manufacturer's declaration”| ## Drawings ## Diagram **==> picture [170 x 93] intentionally omitted <==** **----- Start of picture text -----**<br> 24<br>22<br>20<br>| 18 E +--+} +--+<br>1416 ===ESS SSE eg EET<br>12<br>108 Paste = 2-pos. gt<br>6 ° = 5-pos. ry ae<br>24 e = 12-pos.= 20-pos. 8g Ss\<br>0 ° ee<br>0 20 40 60 80 100<br>Ambient temperature [°C]<br>Current strength [A]<br>**----- End of picture text -----**<br> ## Diagram **==> picture [175 x 94] intentionally omitted <==** **----- Start of picture text -----**<br> 24<br>20<br>| E4-P | PR] TT TT<br>16 _ [pss.)] | tkBi | 2<br>12<br>Per ss ot<br>8<br>e = 2-pos. Sea.<br>4 = 5-pos.<br>g = 12-pos.<br>0 © Pt tT TT IN<br>0 10 20 30 40 50 60 70 80 90 100 110<br>Ambient temperature [°C]<br>Current strength [A]<br>**----- End of picture text -----**<br> Type: MSTB 2,5/...-STF-5,08 with MSTBV 2,5/...-GF-5,08 Type: MSTB 2,5/...-STF-5,08 with CC 2,5/...-GF-5,08 P26THR 03/29/2019 Page 3 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 Dimensional drawing **==> picture [151 x 77] intentionally omitted <==** **----- Start of picture text -----**<br> 18,2 4,7 a+5,69<br>8,3 5,08 5,08<br>a<br>15<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|27260700| |eCl@ss 6.0|eCl@ss 6.0|27260700| |eCl@ss 7.0|eCl@ss 7.0|27440309| |eCl@ss 8.0|eCl@ss 8.0|27440309| |eCl@ss 9.0|eCl@ss 9.0|27440309| ## ETIM |ETIM 3.0|EC001121| |---|---| |ETIM 4.0|EC002638| |ETIM 5.0|EC002638| |ETIM 6.0|EC002638| |UNSPSC|| |UNSPSC 6.01|30211810| |UNSPSC 7.0901|39121409| |UNSPSC 11|39121409| |UNSPSC 12.01|39121409| |UNSPSC 13.2|39121409| ## Approvals ## Approvals ## Approvals DNV GL / CSA / RS / IECEE CB Scheme / VDE Gutachten mit Fertigungsüberwachung / EAC / cULus Recognized 03/29/2019 Page 4 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Approvals Ex Approvals ## Approval details **==> picture [487 x 21] intentionally omitted <==** **----- Start of picture text -----**<br> |||| |---|---|---| |DNV GL|http://exchange.dnv.com/tari/|TAE00001EY| || **----- End of picture text -----**<br> CSA http://www.csagroup.org/services-industries/product-listing/ LR13631-2585950 D B Nominal voltage UN 300 V 300 V Nominal current IN 10 A 15 A mm²/AWG/kcmil 28-12 28-12 RS http://www.rs-head.spb.ru/en/index.php 17.00014.272 IECEE CB Scheme http://www.iecee.org/ DE1-58978-B1B2 Nominal voltage UN 250 V Nominal current IN 12 A mm²/AWG/kcmil 0.2-2.5 ~~———~~ VDE Gutachten mit http://www2.vde.com/de/Institut/Online-Service/ 40004701 Fertigungsüberwachung VDE-gepruefteProdukte/Seiten/Online-Suche.aspx Nominal voltage UN 250 V Nominal current IN 12 A mm²/AWG/kcmil 0.2-2.5 ~~SS~~ 03/29/2019 Page 5 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Approvals |EAC<br><br>B.01742|EAC<br><br>B.01742|EAC<br><br>B.01742| |---|---|---| |cULus Recognized<br><br>http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm<br>E60425-19931011||| ||D|B| |Nominal voltage UN|150 V|300 V| |Nominal current IN|15 A|15 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 ## Insertion bridge - EBP 4- 5 - 1733185 Insertion bridge, fully insulated, for connectors with 5.0 or 5.08 mm pitch, no. of positions: 4 ## Coding element Coding profile - CP-MSTB - 1734634 Coding profile, is inserted into the slot on the plug or inverted header, red insulating material 03/29/2019 Page 6 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Accessories ## 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 ## Marker pen Marker pen - B-STIFT - 1051993 Marker pen, for manual labeling of unprinted Zack strips, smear-proof and waterproof, line thickness 0.5 mm Marker pen - X-PEN 0,35 - 0811228 Marker pen without ink cartridge, for manual labeling of markers, labeling extremely wipe-proof, line thickness 0.35 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 Terminal marking 03/29/2019 Page 7 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Accessories Marker card - SK U/3,8 WH:UNBEDRUCKT - 0803906 Marker card, Sheet, white, unlabeled, can be labeled with: PLOTMARK, CMS-P1-PLOTTER, Office printing systems, mounting type: adhesive, for terminal block width: 210 mm, lettering field size: 186 x 3.8 mm ## Additional products Feed-through header - MSTB 2,5/ 4-GF-5,08 - 1776524 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Wave soldering ~~en~~ Printed-circuit board connector - MSTBV 2,5/ 4-GF-5,08 - 1777099 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Wave soldering ~~ee~~ Feed-through header - MDSTB 2,5/ 4-GF-5,08 - 1842380 PCB headers, nominal current: 10 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Wave soldering, The article can be aligned to create different nos. of positions! In combination with MVSTB or FKCV plug components, both an MVSTBW (or FKCVW) and an MVSTBR plug (or FKCVR) must be used. Combination with TMSTBP plug components is not possible! ~~SO~~ Feed-through header - MDSTBV 2,5/ 4-GF-5,08 - 1845659 PCB headers, nominal current: 10 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Wave soldering, The article can be aligned to create different nos. of positions! In combination with MVSTB or FKCV plug components, both an MVSTBW (or FKCVW) and an MVSTBR plug (or FKCVR) must be used. Combination with TMSTBP plug components is not possible! ~~mM~~ 03/29/2019 Page 8 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Accessories Printed-circuit board connector - DFK-MSTBA 2,5/ 4-GF-5,08 - 1899003 Feed-through header, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Wave soldering ## Printed-circuit board connector - DFK-MSTBVA 2,5/ 4-GF-5,08 - 1899304 Feed-through header, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Wave soldering Feed-through header - EMSTB 2,5/ 4-GF-5,08 - 1899634 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Press-in technology ~~nn~~ Feed-through header - EMSTBV 2,5/ 4-GF-5,08 - 1915233 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: green, contact surface: Tin, mounting: Press-in technology ~~SS~~ Feed-through header - MSTB 2,5/ 4-GF-5,08 THT - 1927580 PCB headers, number of positions: 4, pitch: 5.08 mm, color: black, User information and design recommendations for through hole reflow technology can be found under “Downloads” 03/29/2019 Page 9 / 11 https://www.phoenixcontact.com/us/products/1778001 ## Printed-circuit board connector - MSTB 2,5/ 4-STF-5,08 - 1778001 ## Accessories Feed-through header - MSTBV 2,5/ 4-GF-5,08 THT - 1940910 PCB headers, number of positions: 4, pitch: 5.08 mm, color: black, User information and design recommendations for through hole reflow technology can be found under “Downloads” Printed-circuit board connector - CC 2,5/ 4-GF-5,08 P26THR - 1954715 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: black, contact surface: Tin, mounting: THR soldering, User information and design recommendations for through hole reflow technology can be found under “Downloads” ~~—~™|~~ Printed-circuit board connector - CC 2,5/ 4-GF-5,08 P26THRR56 - 1954825 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: black, contact surface: Tin, mounting: THR soldering, User information and design recommendations for through hole reflow technology can be found under “Downloads” ~~—~™|~~ Printed-circuit board connector - CCV 2,5/ 4-GF-5,08 P26THR - 1955659 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: black, contact surface: Tin, mounting: THR soldering, User information and design recommendations for through hole reflow technology can be found under “Downloads” ~~me00UhUht—~™~~ Printed-circuit board connector - CCV 2,5/ 4-GF-5,08 P26THRR56 - 1955769 PCB headers, nominal current: 12 A, rated voltage (III/2): 320 V, number of positions: 4, pitch: 5.08 mm, color: black, contact surface: Tin, mounting: THR soldering, User information and design recommendations for through hole reflow technology can be found under “Downloads” ~~me00UhUht—~™~~ 03/29/2019 Page 10 / 11 https://www.phoenixcontact.com/us/products/1778001 Phoenix Contact 2019 © - all rights reserved http://www.phoenixcontact.com 03/29/2019 Page 11 / 11
Updated at April 29, 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 →