Key Technical Parameters Parameter Specification Order No. 1020080000 Type WDU 2.5 BL Version Feed-through terminal block, Screw connection, blue, 2.5 mm², 800 V, 24 A, Number of connections: 2 GTIN (EAN) 4008190163235 Quantity per package 100 pc(s) Dimensions & Weight Parameter Specification Width 5.1 mm (0.201 inch) Height 60 mm (2.362 inch) Depth 46.5 mm (1.831 inch) Net weight 7.43 g Electrical Specifications (IEC) Parameter Specification Rated cross-section 2.5 mm² Rated voltage 800 V Rated DC voltage 800 V Rated current 24 A Current at maximum wires 32 A Rated impulse withstand voltage 8 kV Volume resistance 1.33 mΩ Power loss 0.77 W Pollution severity 3 Connection Data Parameter Specification Connection type Screw connection Number of connections 2 Clamping screw M 2.5 Stripping length 10 mm Tightening torque, min. 0.4 Nm Tightening torque, max. 0.8 Nm Blade size 0.6 x 3.5 mm Connection direction on side (horizontal) Clamping range, min. 0.05 mm² Clamping range, max. 4 mm² Wire Connection Cross-Sections Conductor Type Min Max Solid wire 0.5 mm² (AWG 30) 4 mm² (AWG 12) Stranded wire 1.5 mm² (AWG 30) 4 mm² (AWG 12) Flexible wire 0.5 mm² 2.5 mm² Fine-stranded with ferrule 0.5 mm² 2.5 mm² Twin wire-end ferrules 0.5 mm² 1.5 mm² Material & Environmental Parameter Specification Material Wemid Colour Blue Flammability rating UL 94 V-0 Continuous operating temp., min. -60 °C Continuous operating temp., max. 130 °C Storage temperature -25 °C...55 °C Hazardous Location Ratings (ATEX/IECEx) Parameter Specification Explosion-tested version Yes Certificate No. (ATEX) DEMKO14ATEX1338U Certificate No. (IECEX) IECEXULD14.0005U Max. voltage (ATEX/IECEX) 690 V Current (ATEX/IECEX) 24 A Wire cross section max. (ATEX/IECEX) 2.5 mm² Marking EN 60079-7 Ex eb II C Gb Ex 2014/34/EU label II 2 G D UL/cURus Ratings Parameter Specification Certificate No. (UR) E60693 Wire size (UR) 30...12 AWG Voltage (UR) 600 V Current (UR) 25 A CSA Ratings Parameter Specification Certificate No. (CSA) 200039-1057876 Wire size (CSA) 26...12 AWG Voltage (CSA) 600 V Current (CSA) 20 A Mounting & Configuration Parameter Specification Mounting rail TS 35 Mounting type Snap-on End cover plate required Yes Open sides Right Number of potentials 1 Number of levels 1 N-function Yes PE function No PEN function No Standards IEC 60947-7-1 RoHS status Compliant