Key Technical Parameters Parameter Specification Order No. 1028800000 Type WDU 35/ZA Version Feed-through terminal block, Screw connection, dark beige, 35 mm², 125 A, 1000 V, Number of connections: 2 GTIN (EAN) 4008190059002 Dimensions & Weight Parameter Specification Width 16 mm (0.63 inch) Height 60 mm (2.362 inch) Depth 62.5 mm (2.461 inch) Depth including DIN rail 63 mm Net weight 51.75 g Electrical Specifications (IEC) Parameter Specification Rated cross-section 35 mm² Rated voltage 1000 V Rated DC voltage 1000 V Rated current 125 A Current at maximum wires 150 A Rated impulse withstand voltage 8 kV Volume resistance 0.26 mΩ Power loss 4 W Pollution severity 3 Connection Data Parameter Specification Connection type Screw connection Number of connections 2 Clamping screw M 6 Stripping length 18 mm Tightening torque 4.0 - 5.0 Nm Blade size 6.5 x 1.2 mm Solid wire (min-max) 2.5...16 mm² (AWG 12...6) Stranded wire (min-max) 2.5...50 mm² (AWG 12...0) Fine-stranded wire with ferrule 2.5...35 mm² Twin wire-end ferrules 1.5...16 mm² Connection direction On side (horizontal) Material & Environmental Parameter Specification Material Wemid Colour Dark beige (standard) / Blue (BL version) 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) 115 A Wire cross section max. (ATEX/IECEX) 35 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) 12...0 AWG Voltage (UR) 1000 V Current (UR) 150 A CSA Ratings Parameter Specification Certificate No. (CSA) 200039-1057876 Wire cross section min. (CSA) 12 AWG Voltage (CSA) 600 V Current (CSA) 150 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 PE connection No PEN function Yes Standards IEC 60947-7-1 RoHS status Compliant without exemption