Key Technical Parameters Parameter Specification Order No. 1820550000 Type WDU 95N/120N Version Feed-through terminal block, Screw connection, dark beige, 120 mm², 269 A, 1000 V, Number of connections: 2 GTIN (EAN) 4032248369300 Quantity per package 5 pc(s) Dimensions & Weight Parameter Specification Width 27 mm (1.063 inch) Height 91 mm (3.583 inch) Depth 90 mm (3.543 inch) Depth including DIN rail 91 mm Net weight 261.8 g Electrical Specifications (IEC) Parameter Specification Rated cross-section 120 mm² Rated voltage 1000 V Rated DC voltage 1000 V Rated current 269 A Current at maximum wires 290 A Rated impulse withstand voltage 8 kV Volume resistance 0.12 mΩ Power loss 8.61 W Pollution severity 3 Connection Data Parameter Specification Connection type Screw connection Number of connections 2 Clamping screw M 10 Stripping length 27 mm Tightening torque, min. 12 Nm Tightening torque, max. 20 Nm Blade size S6 (DIN 6911) Connection direction on side (horizontal) Clamping range, min. 16 mm² Clamping range, max. 150 mm² Solid wire (min-max) 16 mm² Stranded wire (min-max) 16...150 mm² Fine-stranded wire (max) 120 mm² Fine-stranded with ferrule (max) 95 mm² AWG range AWG 4...250 kcmil Material & Environmental Parameter Specification Material Wemid Colour Dark beige (standard) / Blue / Black/Yellow 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) 880 V Current (ATEX/IECEX) 221 A Wire cross section max. (ATEX/IECEX) 120 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) 4 AWG...250 kcmil Voltage (UR) 1000 V Current (UR) 228 A CSA Ratings Parameter Specification Certificate No. (CSA) 200039-1057876 Wire size (CSA) 4 AWG...0000 AWG Voltage (CSA) 1000 V Current (CSA) 220 A Mounting & Configuration Parameter Specification Mounting rail TS 35 Mounting type Snap-on End cover plate required No Open sides Closed Number of potentials 1 Number of levels 1 PE connection No N-function No (Yes for BL version) PEN function Yes Standards IEC 60947-7-1 RoHS status Compliant without exemption