Key Technical Parameters Here are the detailed technical specifications for the WTL 6/4 FF terminal block : Parameter Specification Order No. 1887210000 Type WTL 6/4 FF Version Test-disconnect terminal block (measuring transformer terminal), Screw connection, 500 V, 41 A, Sliding disconnect Colour Dark beige GTIN (EAN) 4032248526796 Quantity per package 50 pc(s) Dimensions & Weight Parameter Specification Width 11 mm (0.433 inch) Height 76.5 mm (3.012 inch) Depth 52 mm (2.047 inch) Depth including DIN rail 53.4 mm Net weight 35.693 g Electrical Specifications (IEC) Parameter Specification Rated cross-section 6 mm² Rated voltage 500 V / 800 V DC Rated current 41 A Maximum current 41 A Rated impulse withstand voltage 8 kV Volume resistance 0.78 mΩ Power loss 1.31 W Pollution severity 3 Disconnect Specifications Parameter Specification Longitudinal separation Sliding (sliding disconnect mechanism) Transverse separation No Integral test socket No Isolation element Yes Connection Data Parameter Specification Connection type Screw connection Number of connections 2 Clamping screw M 4 Stripping length 8 mm Tightening torque, min. 1.2 Nm Tightening torque, max. 2.4 Nm Blade size 0.8 x 5.5 mm Connection direction Horizontal Wire Connection Cross-Sections Conductor Type Min Max Solid wire 0.5 mm² (AWG 20) 10 mm² (AWG 8) Stranded wire 0.5 mm² (AWG 20) 6 mm² (AWG 10) Flexible wire 0.5 mm² 6 mm² Fine-stranded with ferrule 0.5 mm² 6 mm² AWG range AWG 20 AWG 10 Material & Environmental Parameter Specification Material Wemid Colour Dark beige Flammability rating UL 94 V-0 Continuous operating temp., min. -50 °C Continuous operating temp., max. 120 °C Storage temperature -25 °C...55 °C UL/cURus Ratings Parameter Specification Certificate No. (cURus) E60693 Wire size (UL) 26...10 AWG Voltage (UL) 600 V Current (UL) 30 A CSA Ratings Parameter Specification Certificate No. (cCSAus) 227775-1609344 Wire size (CSA) 26...10 AWG Voltage (CSA) 600 V Current (CSA) 40 A Mounting & Configuration Parameter Specification Mounting rail TS 35 Mounting type Snap-on (direct mounting on rail) End cover plate required Yes Open sides Right Number of potentials 1 Number of levels 1 PE connection No N function No Standards IEC 60947-7-1 RoHS status Compliant without exemption