Technical Specifications Parameter Value/Description Order No. 1608580000 Type ZDU 2.5/4AN BL Product Type Feed-through terminal block Series Z Series Packaging Unit 100 pc(s) Colour Blue Dimensions Parameter Value/Description Width 5.1 mm Height 79.5 mm Depth 38.5 mm (39.5 mm on DIN rail) Net Weight 11.66 g Electrical Specifications (IEC) Parameter Value/Description Rated Cross-section 2.5 mm² Rated Voltage 800 V Rated Current 24 A Maximum Current 27 A Rated Impulse Withstand Voltage 8 kV Volume Resistivity 1.33 mΩ Power Loss per Pole 0.77 W Pollution Severity 3 Connection Data Parameter Value/Description Number of Connections 4 Number of Levels 1 Termination Style Tension-clamp (spring connection) Wire Gauge (AWG) 30 - 12 AWG Wire Gauge (mm²) 0.05 - 4 mm² Solid Core (max.) 4 mm² Fine-stranded with ferrule (max.) 2.5 mm² Stripping Length 10 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) 22 A Wire Cross Section Max. (ATEX/IECEx) 4 mm² UL/cURus Ratings Parameter Value/Description Certificate No. (cURus) E60693 Voltage Size C 600 V Current Size C 25 A Wire Size (min/max) 30 - 12 AWG CSA Ratings Parameter Value/Description Certificate No. (CSA) 200039-1152892 Voltage Sizes B/C/D 600 V Current Sizes B/C 27 A Current Size D 5 A Wire Size (min/max) 26 - 12 AWG Mounting & System Specifications Parameter Value/Description Mounting Type Snap-on to TS 35 DIN rail End Plate Required Yes PE Connection No Cross-connection Available Yes (via plug-in cross-connectors) Open Sides Right Standards IEC 60947-7-1