3TK48
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,...
