AC contactor
AC contactor
3TF48, 3TF49, 3TK48
DIN VDE 0660, IEC 60947
Instructions
Operating instructions for AC operation; for DC...
Description
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 ...
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