Siemens 3TF6944-0CM7

Siemens digital industrial contactor 3TF6944-0CM7

Manufacturer: Siemens Digital Industries
Designation: Contactor 450kW 400/380V
Type: 3TF6944-0CM7
Rated control supply voltage Us at AC 50 Hz: 200-240 V
Rated control supply voltage Us at AC 60 Hz: 200-240 V
Voltage type for actuation: AC
Rated operational current Ie at AC-1, 400 V: 910 A
Rated operational current Ie at AC-3, 400 V: 820 A
Rated operational power at AC-3, 400 V: 450 kW
Rated operational current Ie at AC-4, 400 V: 690 A
Rated operational power at AC-4, 400 V: 191 kW
Rated operational power NEMA: 514.849125 kW
Suitable for series installation: Yes
Number of auxiliary contacts as make contacts: 4
Number of auxiliary contacts as break contacts: 4
Connection type main circuit: Busbar connection
Number of make contacts as main contacts: 3

Further details:
Contactor, size 14, 3-pole, AC-3, 450kW, 400/380V (690V)
Auxiliary switch 44 (4NO+4NC)
AC actuation AC 200-240V 50/60Hz

The vacuum contactor 3TF6 is designed for switching motors. The 3TF6 vacuum contactors offer high performance combined with a compact design and high contact reliability. They are characterized by a particularly long switching life, making them suitable for frequent switching in inching operation. Pre-assembled auxiliary contacts reduce the complexity of installation. The devices are approved worldwide and are IE3/IE4 ready. They are available in two sizes, with AC or DC actuation, and in a wide power range. A wide range of accessories is available for these contactors, such as overvoltage limiters, auxiliary contacts, or terminal covers.
EAN: 4011209044517.