Key Technical Parameters Parameter Specification Order No. 1042680000 Type WDU 4N BL Version Feed-through terminal block, Screw connection, blue, 4 mm², 32 A, 500 V, Number of connections: 2 GTIN (EAN) 4032248273225 Quantity per package 100 pc(s) Dimensions & Weight Parameter Specification Width 6.1 mm (0.24 inch) Height 44 mm (1.732 inch) Depth 37.7 mm (1.484 inch) Depth including DIN rail 38.5 mm Net weight 6.35 g Electrical Specifications (IEC) Parameter Specification Rated cross-section 4 mm² Rated voltage 500 V Rated DC voltage 500 V Rated current 32 A Current at maximum wires 39 A Rated impulse withstand voltage 6 kV Volume resistance 1 mΩ Power loss 1.02 W Pollution severity 3 Connection Data Parameter Specification Connection type Screw connection Number of connections 2 Clamping screw M 3 Stripping length 11 mm Tightening torque, min. 0.5 Nm Tightening torque, max. 1 Nm Blade size 0.6 x 3.5 mm Connection direction on side (horizontal) Wire Connection Cross-Sections Conductor Type Min Max Solid wire 0.5 mm² (AWG 26) 6 mm² (AWG 10) Stranded wire 1.5 mm² 6 mm² Fine-stranded with ferrule 0.5 mm² 4 mm² Twin wire-end ferrules 0.5 mm² 1.5 mm² Clamping range 0.13 mm² 6 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 No Certificate No. (ATEX) DEMKO14ATEX1338U Certificate No. (IECEX) IECEXULD14.0005U Max. voltage (ATEX/IECEX) 352 V Current (ATEX/IECEX) 31 A Wire cross section max. (ATEX/IECEX) 4 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. (cURus) E60693 Wire size (cURus) 26...10 AWG Voltage (cURus) 300 V Current (cURus) 10 A CSA Ratings Parameter Specification Certificate No. (CSA) 200039-1057876 Wire size (CSA) 26...10 AWG Voltage (CSA) 300 V Current (CSA) 10 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 Standards IEC 60947-7-1 RoHS status Compliant without exemption