Part Number: 3TF47
Function: AC Contactor ( 3-phase IEC rated contactor )
Manufacturer: Siemens
Product Image:
Description
3TF47 is 3-Phase, AC Contactor. An AC (Alternating Current) contactor is an electrical switching device used to control and manage the flow of electrical power in an alternating current circuit. It is commonly used in industrial and commercial applications for controlling motors, lighting, heating, ventilation, air conditioning (HVAC) systems, and other electrical loads.
AC contactors are controlled by a control circuit, often connected to a control device like a switch, relay, or programmable logic controller (PLC). When the control circuit is energized, it energizes the coil of the contactor, closing the main contacts and allowing the current to flow to the load. When the control circuit is de-energized, the coil loses its magnetic field, and the main contacts open, interrupting the current flow to the load.
Order No. Power consumption of coil (50Hz) p.f. Closed (VA) 0.29 68 0.29 68 0.29 68 0.29 68 p.f. Conventional thermal current (A) Conventional thermal current of auxiliary contacts Rated insulation voltage of auxiliary contacts Rated operational current of auxiliary contacts (A) Weight (kg) AC – 15 380/220V DC – 13 110/220V 0.82 20 10 690 6/10 0.9/0.45 0.37 0.82 20 10 690 6/10 0.9/0.45 0.43 0.82 20 10 690 6/10 0.9/0.45 0.37 0.82 20 10 690 6/10 0.9/0.45 0.43 Note: 3TX4 auxiliary contact blocks for 3TF3 series, see P2/16. 2/2 Selection and ordering data 3TF AC Contactors AC operation 3TF32 3TF42 3TF33 3TF43 Auxiliary contacts[…]
The 3TF47 is used to switch and control high-voltage and high-current loads, such as electric motors, heating elements, lighting systems, and other industrial machinery. It is often used in motor control centers, switchgear, and control panels to provide reliable and safe switching of electrical power.