Siemens SIEM contactor

Siemens digital industrial contactor 3TF6844-8CQ7

Manufacturer: Siemens Digital Industries
Designation: Contactor 335 kW 400/380V
Type: 3TF6844-8CQ7
Rated control supply voltage Us at AC 50 Hz: 380..460 V
Rated control supply voltage Us at AC 60 Hz: 380..460 V
Voltage type for actuation: AC
Rated operational current Ie at AC-1, 400 V: 700 A
Rated operational current Ie at AC-3, 400 V: 630 A
Rated operational power at AC-3, 400 V: 335 kW
Rated operational current Ie at AC-4, 400 V: 610 A
Rated operational power at AC-4, 400 V: 168 kW
Rated operational power NEMA: 389.81433749 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, 335 kW, 400/380V (1000V)
Auxiliary contact 44 (4NO+4NC)
AC actuation AC 380...460V 50/60Hz

Vacuum contactor 3TF6 for switching motors. 3TF6 vacuum contactors are characterized by their high performance combined with compact design and high contact reliability. They also feature 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 (e.g., IEC and UL/CSA) 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: 4011209211858.