3TF48

AC contactor 3TF48, 3TF49, 3TK48 DIN VDE 0660, IEC 60947 Instructions Operating instructions for AC operation; for DC operation (DC-economy connection) see operating instructions 3ZX1012-0TF36-1AA1. WARNING: HAZARDOUS VOLTAGE CAN CAUSE ELECTRICAL SHOCK AND BURNS. DISCONNECT POWER BEFORE PROCEEDING WITH ANY WORK ON THIS EQUIPMENT. Installation For dimension drawings see Fig. I (dimensions in mm). Fig. Ia with screw terminals; Fig. Ib with tab connectors 1) Minimum clearances from earthed parts. Fix on a plain surface with two M5 screws - max. tightening torque 6.2 Nm. Always use plain washers and spring washers. For permissible mounting positions see Fig. II. Connection Tighten all terminal screws even if not used. Permissible conductor cross-sections for main terminals: With box terminal in accordance with DIN EN 50 027 - see Fig. IIIa Finely stranded [mm2], with end sleeve 1) Finely stranded [mm2], without end sleeve 1) Solid [mm2] Stranded [mm2] AWG wires, stranded Stripped length Tightening torque 6 to 35 2.5 to 35 6 to 25 2.5 to 25 10 to 35 2.5 to 35 10 to 25 2.5 to 25 6 to 16 16 to 50 3 to 1/0 2.5 to 16 6 to 16 2.5 to 16 16 to 50 16 to 35 16 to 35 18 to 1/0 1/0 1/0 18 to 20 mm/¾ in 4 to 6 Nm/36 to 52 lb.in After alignment or bending back of connected leads, check the tightening torques of the clamping screws. 1) The ends of non-stranded cables must be twisted or 18 mm long ferrules to DIN 46228 Part 1 must be used. Crimping tools PZ16 and ...