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Industrial Grade Digital Input Module ZDU 4/3AN

The Weidmüller ZDU 4/3AN is a feed-through terminal block from the Z Series, designed for reliable conductor connections in industrial control cabinets and junction boxes . It features tension-clamp (spring) connection technology for fast, vibration-proof wiring without special tools, and has a dark beige housing .

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Technical Specifications Parameter Value/Description Order No. 7904180000 Type ZDU 4/3AN Product Type Feed-through terminal block Series Z Series Packaging Unit 50 pc(s) Colour Dark beige Dimensions Parameter Value/Description Width 6.1 mm Height 83.5 mm Depth 43 mm (43.5 mm on DIN rail) Net Weight 13.763 g Electrical Specifications (IEC) Parameter Value/Description Rated Cross-section 4 mm² Rated Voltage 800 V Rated Current 32 A Maximum Current 41 A Rated Impulse Withstand Voltage 8 kV Volume Resistivity (IEC 60947-7-x) 1 mΩ Power Loss per Pole 1.02 W Pollution Severity 3 Connection Data Parameter Value/Description Number of Connections 3 Number of Levels 1 Termination Style Tension-clamp (spring connection) Wire Gauge (AWG) 26 - 10 AWG Wire Gauge (mm²) 0.13 - 6 mm² Solid Core (max.) 6 mm² Fine-stranded with ferrule (max.) 4 mm² Stripping Length 12 mm Screwdriver Tip Size 0.6 x 3.5 mm Connection Direction Top (vertical) Material Specifications Parameter Value/Description Insulation Material Wemid Flammability Rating (UL 94) V-0 Hazardous Area Ratings (ATEX/IECEx) Parameter Value/Description ATEX Certificate DEMKO15ATEX1467U IECEx Certificate IECEXULD15.0008U Marking Ex eb II C Gb Max. Voltage (ATEX/IECEx) 550 V Current (ATEX/IECEx) 28 A Wire Cross Section Max. (ATEX/IECEx) 6 mm² Mounting & System Specifications Parameter Value/Description Mounting Type Snap-on to TS 35 DIN rail End Plate Required Yes (e.g., WAP series) Open Sides Right PE Connection No Cross-connection Available Yes (via plug-in cross-connectors) Standards IEC 60947-7-1