1958245 PHOENIX | Alldatasheet

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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. Feed-through header, nominal cross section: 2.5 mm2, color: agate gray, nominal current: 12 A, rated voltage (III/2): 320 V, contact surface: Au, contact connection type: Pin, number of potentials: 4, number of rows: 1, number of positions: 4, number of connections: 4, product range: DFK-MSTB 2,5/..-G, pitch: 5.08 mm, connection method: Solder/Slip-on connection, mounting: Direct mounting, pin layout: Linear pinning, solder pin [P]: 9.3 mm, number of solder pins per potential: 1, plug-in system: COMBICON MSTB 2,5, Pin connector pattern alignment: Standard, locking: without, mounting method: without, type of packaging: packed in cardboard Your advantages Gold-plated contacts ensure transfer quality remains stable over the long term• Free choice – permanent solder connection or standardized slip-on connection Maximum flexibility when it comes to device design – one header for connectors with different connection technologies Cable connection on the inside of the device enables flexible positioning of the panel feed-through Commercial data Item number 1958245 Packing unit 50 pc Minimum order quantity 50 pc Note Made to order (non-returnable) Sales key AA03 Product key AACWBA GTIN 4017918897734 Weight per piece (including packing) 5.281 g Weight per piece (excluding packing) 4.735 g Customs tariff number 85366930 Country of origin DE DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 1 (7)

Product type Feed-through header Product family DFK-MSTB 2,5/..-G Product line COMBICON Connectors M Number of positions 4 Pitch 5.08 mm Number of connections 4 Number of rows 1 Number of potentials 4 Mounting type without Pin layout Linear pinning Solder pins per potential 1 Electrical properties Properties Nominal current IN 12 A Nominal voltage UN 320 V Rated voltage (III/3) 320 V Rated surge voltage (III/3) 4 kV Rated voltage (III/2) 320 V Rated surge voltage (III/2) 4 kV Rated voltage (II/2) 630 V Rated surge voltage (II/2) 4 kV Mounting Mounting type Direct mounting Pin layout Linear pinning Attachment to feed-through panel Tightening torque 0.3 Nm Screw 0708263 DFK-MSTB SS for housing walls of up to 6 mm thick Material specifications Material data - contact Note WEEE/RoHS-compliant, free of whiskers according to IEC 60068-2-82/JEDEC JESD 201 Contact material Cu alloy Surface characteristics Completely gold-plated Metal surface contact area (top layer) Gold (0.8 - 1.4 µm Au) Metal surface contact area (middle layer) Nickel (2 - 4 µm Ni) Metal surface soldering area (top layer) Gold (0.8 - 1.4 µm Au) DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 2 (7)

Metal surface soldering area (middle layer) Nickel (2 - 4 µm Ni) Material data - housing Color (Housing) agate gray (7038) Insulating material PA Insulating material group I CTI according to IEC 60112 600 Flammability rating according to UL 94 V0 Glow wire flammability index GWFI according to EN 60695-2-12 850 Glow wire ignition temperature GWIT according to EN 60695-2- 775 Temperature for the ball pressure test according to EN 60695- 10-2 125 °C Notes Notes on operation In accordance with IEC 61984, COMBICON connectors have no switching power (COC). During designated use, they must not be plugged in or disconnected when carrying voltage or under load. Dimensions Dimensional drawing Pitch 5.08 mm Width [w] 40.64 mm Height [h] 29.5 mm Length [l] 17.5 mm Installed height 20.2 mm Solder pin length [P] 9.3 mm Pin dimensions 0.8 x 2.8 mm PCB design Hole diameter 3.2 mm Electrical tests Air clearances and creepage distances | Specification IEC 60664-1:2007-04 Insulating material group I Comparative tracking index (IEC 60112) CTI 600 Rated insulation voltage (III/3) 320 V Rated surge voltage (III/3) 4 kV minimum clearance value - non-homogenous field (III/3) 3 mm minimum creepage distance (III/3) 4 mm DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 3 (7)

Rated insulation voltage (III/2) 320 V Rated surge voltage (III/2) 4 kV minimum clearance value - non-homogenous field (III/2) 3 mm minimum creepage distance (III/2) 3 mm Rated insulation voltage (II/2) 630 V Rated surge voltage (II/2) 4 kV minimum clearance value - non-homogenous field (II/2) 3 mm minimum creepage distance (II/2) 3.2 mm Environmental and real-life conditions Ambient conditions Ambient temperature (operation) -40 °C ... 100 °C (dependent on the derating curve) Ambient temperature (storage/transport) -40 °C ... 70 °C Relative humidity (storage/transport) 30 % ... 70 % Ambient temperature (assembly) -5 °C ... 100 °C Packaging specifications Type of packaging packed in cardboard Packaging specifications Type of packaging packed in cardboard DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 4 (7)

To download certificates, visit the product detail page: https://www.phoenixcontact.com/us/products/1958245  CSA Approval ID: 13631 Nominal voltage UN Nominal current IN Cross section AWG Cross section mm2 B

300 V 15 A - -

D

300 V 10 A - -

 cULus Recognized Approval ID: E60425-19931011 Nominal voltage UN Nominal current IN Cross section AWG Cross section mm2 B D  VDE approval of drawings Approval ID: 40050648 Nominal voltage UN Nominal current IN Cross section AWG Cross section mm2 keine

250 V 12 A - -

DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 5 (7)

ECLASS-13.0 27460201 ECLASS-15.0 27460201 ETIM ETIM 9.0 EC002637 UNSPSC UNSPSC 21.0 39121400 DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 6 (7)

Environmental product compliance EU RoHS Fulfills EU RoHS substance requirements Yes, No exemptions China RoHS EFUP-EEnvironment friendly use period (EFUP) No hazardous substances above the limits EU REACH SVHC REACH candidate substance (CAS No.) No substance above 0.1 wt% EF3.0 Climate Change CO2e kg 0.077 kg CO2e Phoenix Contact 2025 © - all rights reserved https://www.phoenixcontact.com Phoenix Contact USA

586 Fulling Mill Road

Middletown, PA 17057, United States (+717) 944-1300 info@phoenixcon.com DFK-MSTB 2,5/ 4-G-5,08 ABGY AU - Feed-through header 1958245 https://www.phoenixcontact.com/us/products/1958245 Nov 11, 2025, 1:22AM Page 7 (7)