Key Technical Parameters Here are the detailed technical specifications for the WTR 2.5 terminal block: Parameter Specification Order No. 1855610000 Type WTR 2.5 Version Test-disconnect terminal, Screw connection, 2.5 mm², 500 V, 24 A, Pivoting Colour Dark beige (standard) / Other colors available (e.g., red for WTR 2.5 RT, blue for WTR 2.5/ZZ) GTIN (EAN) 4032248458417 Quantity per package 100 pc(s) Dimensions & Weight Parameter Specification Width 5.1 mm (0.201 inch) Height 60 mm (2.362 inch) Depth 48 mm (1.89 inch) Depth including DIN rail 49 mm Net weight 8.01 g Electrical Specifications (IEC) Parameter Specification Rated cross-section 2.5 mm² Rated voltage 500 V Rated current 24 A Rated impulse withstand voltage 6 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) Wire Connection Cross-Sections Parameter Specification Material Wemid Flammability rating UL 94 V-0 Continuous operating temp., min. -50 °C Continuous operating temp., max. 120 °C Storage temperature -25 °C...55 °C Hazardous Location Ratings (ATEX/IECEx) Parameter Specification Explosion-tested version Yes (for Ex ec applications) ATEX certificate No. DEMKO14ATEX1389U IECEX certificate No. IECExUL14.0097U Max. voltage (ATEX/IECEX) 500 V Current (ATEX/IECEX) 21 A Wire cross section max. (ATEX/IECEX) 2.5 mm² Marking EN 60079-7 Ex ec II C Gc Ex 2014/34/EU label II 3 G D UL/cURus Ratings Parameter Specification Certificate No. (cURus) E60693 Wire size (cURus) 30...12 AWG Voltage (cURus) 600 V Current (cURus) 20 A CSA Ratings Parameter Specification Certificate No. (CSA) 154685-1152890 Wire size (CSA) 26...12 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 Cross-disconnect Without (pivoting type) Integral test socket No Slitting Pivoting Standards IEC 60947-7-1 / IEC 60947-7-3 RoHS status Compliant without exemption